Great Plains YP2425A Operator Manual

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Table of Contents Index

Operator Manual

YP2425A

60 Foot Yield-Pro® Planter

with Air-Pro

Manufacturing, Inc.

www.greatplainsmfg.com

Meters

Read the operator manual entirely. When you see this symbol, the subsequent instructions and warnings are serious - follow without exception. Your life and the lives of others depend on it!

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Illustrations may show optional equipment not supplied with standard unit or may depict similar models where a topic is identical.

ORIGINAL INSTRUCTIONS

Table of Contents Index

Great Plains Manufacturing, Inc. Cover Index iii

Important Safety Information ...................................... 1

Safety Decals ................................................................. 6

Introduction ................................................................11

Description of Unit ........................................................11

Intended Usage ........................................................11

Models Covered ........................................................... 11

Document Family......................................................11

Using This Manual........................................................11

Definitions................................................................. 11

Owner Assistance ........................................................12

Product Support .......................................................12

Preparation and Setup ...............................................13

Post-Delivery/Seasonal Setup......................................13

Pre-Planting Setup ....................................................... 13

Hitching Tractor to Planter............................................14

Hydraulic Hose Hookup............................................ 14

Protecting Fan Hydraulic Motor Seals......................15

Electrical Hookup......................................................16

Hitching with 3-Point................................................. 16

Hitching with Hydraulic Tongue (Option)..................17

Local Float on Hydraulic Tongue..........................17

Store Main Parking Stand.........................................18

Raising/Lowering Tongue......................................... 18

Tank Cart Hitching........................................................19

Fertilizer Connection Types..................................19

Making Fertilizer Connections ..................................19

Heights and Leveling....................................................20

Set Tongue Height ...................................................20

Checking Planter Leveling Side to Side ...................20

Center Section Level Check.....................................21

Wing Leveling...............................................................21

Wing Leveling, Inboard End .....................................21

Wing Leveling, Outboard End...................................21

Lock Up Fertilizer Drive ................................................22

Operating Instructions...............................................23

Pre-Start Checklist .......................................................23

Fold/Unfold Lock Overview ..........................................23

Unfolding the YP2425A Planter....................................24

Raising/Lowering Planter .............................................26

Local Float on Hydraulic Tongue..........................26

Raising Planter .........................................................27

Lowering Planter ......................................................27

Folding the YP2425A Planter .......................................28

Re-phasing Fold System ..........................................30

Lift Cylinder Lock-Up................................................30

Re-Phasing Lift System............................................ 30

Transporting the Planter .............................................. 31

Transport Checklist .................................................. 32

Loading Materials......................................................... 33

82 Bushel Hopper Operation.................................... 33

Adding Seed to 82 bu. Hopper.................................33

Changing the Seed Box or 82 bu. Hopper ............... 34

Auxiliary Hydraulics...................................................... 36

Operating Auxiliary Hydraulics ................................. 36

Marker Operation ......................................................... 37

Marker Unfold (one side).......................................... 38

Row Marker Operation ............................................. 38

Folding the Markers ................................................. 38

Unusual Marker Operations ..................................... 38

Both Sides Unfolded ............................................ 38

Electric Clutch Operation ............................................. 39

Clutch Switch Coverage...........................................39

Electric Clutch Lock-Up............................................39

Swath Command™ Clutch Operation.......................... 40

Air System Operation................................................... 41

Air System Overview................................................42

Fan Circuit Operation ........................................... 43

Fan General Operating Information ..................... 44

Y-Tubes ....................................................................... 44

Monitor Operation ........................................................ 45

Trailer Operations ........................................................ 45

Field Set-Up Checklist ................................................. 46

Field Operation ............................................................ 48

Skip and Double Checks...................................... 48

Short-Term Parking...................................................... 49

Long-Term Storage...................................................... 50

Storage: Fertilizer Option ......................................... 50

Adjustments ............................................................... 51

Setting Material Rates.................................................. 52

Planting Rate............................................................ 52

Fertilizer Rate...........................................................52

Gauge/Transport Wheel Adjustments.......................... 53

Marker Adjustments ..................................................... 53

Marker Disk Adjustment ........................................... 54

Marker Extension ..................................................... 54

Marker Gauge Wheel Adjustment ............................ 55

Marker Chain Length Adjustment............................. 55

Dual Marker Speed Adjustment ............................... 56

Height Switch Adjustment ............................................ 57

Great Plains Manufacturing, Inc. provides this publication “as is” without warranty of any kind, either expressed or implied. While every precaution has been taken in the preparation of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future.

2014-02-10 Cover Index 401-626M

Trademarks of Great Plains Manufacturing, Inc. include: Singulator Plus, Swath Command, Terra-Tine.

Registered Trademarks of Great Plains Manufacturing, Inc. include:

Air-Pro, Clear-Shot, Discovator, Great Plains, Land Pride, MeterCone, Nutri-Pro, Seed-Lok, Solid Stand,

Terra-Guard, Turbo-Chisel, Turbo-Chopper, Turbo Max, Turbo-Till, Ultra-Till, Ver ti-Till, Whirlﬁlter, Yield-Pro.

Brand and Product Names that appear and are owned by others are trademarks of their respective owners.

Printed in the United States of America

iv YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Fan and Meter Pressurization Adjustment................... 59

Furrow Check:...................................................... 60

Fine-Tuning Meter Pressurization............................ 61

Seed Delivery Fan Adjustments............................... 61

Seed Delivery Butterfly Valves............................. 61

Fertilizer Setup............................................................. 62

CDS-John Blue® Ground Drive Pump ..................... 63

Liquid Fertilizer Strainer(s) ................................... 63

Fertilizer Relief Valve ............................................... 64

Fertilizer Orifice Plates............................................. 64

Frame-Mounted Row Accessories............................... 65

Terra-Tine™ Adjustments........................................ 65

Using Terra-Tines with Coulters........................... 65

Frame-Mounted Coulter Adjustments ...................... 66

On-Row ................................................................ 66

Between Row (or Off-Row at least 2in)................ 66

Vantage I Fertilizer Adjustments .............................. 66

25 Series Row Unit Adjustments ................................. 67

Row Unit Down Pressure......................................... 68

Adjusting Down-Force.......................................... 68

Unit-Mount Cleaner Adjustments ......................... 70

Coulter Adjustments................................................. 71

Coulter Depth Adjustment .................................... 71

Coulter Row Alignment ........................................ 72

Row-Unit Opener Disk Adjustments......................... 73

Setting Planting Depth ......................................... 73

Opener Disc Contact Region ............................... 73

Adjusting Disc Contact ......................................... 73

Side Gauge Wheel Adjustment................................ 74

Adjusting Gauge Wheel Scrapers ........................ 75

Seed Meter Setup and Adjustment .......................... 76

Meter Rain Cover ................................................. 76

Seed Inlet Shutter Adjustment ............................. 76

Optimal Seed Pool Slopes ................................... 77

Meter Re-Fill......................................................... 77

Air-Pro® Meter Disk Installation ............................... 78

Removing a Seed Disk......................................... 79

Row Unit Shut-Off .................................................... 79

Seed Firmer Adjustments ........................................ 82

Keeton® Seed Firmer Adjustment........................ 82

Seed-Lok® Seed Firmer Lock-Up ........................ 82

Press Wheel Adjustment.......................................... 84

Press Wheel Down Pressure ............................... 84

Press Wheel Stagger ........................................... 84

Press Wheel Centering ........................................ 85

Troubleshooting......................................................... 86

Planting Rate Problems ............................................... 86

Suggested Furrow Check:.................................... 86

Seed Pool Troubleshooting.......................................... 87

Seed Pool Recovery ................................................ 88

Population Troubleshooting Charts.............................. 88

Maintenance and Lubrication ................................... 97

Maintenance ................................................................ 97

Material Clean-Out .......................................................98

Air Box Clean-Out.....................................................98

Air System Clean-Out ...............................................98

Meter Clean-Out .......................................................99

Funnel Conversion................................................99

Alternate Meter Clean-Out..................................100

Seed Tube Clean-Out.........................................100

Meter Brush Maintenance ..........................................101

Meter Brush Replacement ......................................102

Seed Disk Maintenance..........................................103

Cleaning and Storing Seed Disks .......................103

Hydraulic Maintenance ...............................................104

Hydraulic Drive Maintenance..................................104

Bleeding Hydraulics ................................................105

Fold System Bleeding.........................................105

Fold Cylinder Bleeding........................................106

Lift System Bleeding ...........................................106

Lift Cylinder Bleeding..........................................106

Marker Maintenance...................................................107

Marker Bleeding......................................................107

Marker Cylinder Bleeding ...................................107

Marker Shear Bolt Replacement.............................107

Marker Grease Seal Cap ........................................107

Wing Alignment.......................................................108

Chain Maintenance.....................................................109

Meter Drive Chain.......................................................109

Disc Spreaders and Scrapers.....................................110

25 Series Row-Unit Side Wheels............................110

Fertilizer System Maintenance ...................................111

Liquid Fertilizer Strainer..........................................111

Seed Flap Replacement(s/n B1002E+) ......................112

Seed Flap Replacement (s/n B1001E-)......................112

Lubrication ..................................................................113

Seed Lubricant........................................................122

Options ......................................................................123

Appendix A - Reference Information ......................135

Specifications and Capacities.....................................135

Specifications/Capacities, North America...............135

Specifications/Capacities, Metric Model .................136

Tire Inflation Chart ......................................................136

Hydraulic Diagrams ....................................................137

Chain Routing.............................................................144

Seed Hose Routing ....................................................147

Torque Values Chart ..................................................150

Appendix B - Initial Setup ........................................151

Seed Monitor Console Installation..............................151

Radar Calibration........................................................151

Appendix R - Row-Pro™ ..........................................152

Warranty .....................................................................159

Index ..........................................................................161

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Great Plains Manufacturing, Inc. Table of Contents Index 1

Important Safety Information

Look for Safety Symbol

The SAFETY ALERT SYMBOL indicates there is a potential hazard to personal safety involved and extra safety precaution must be taken. When you see this symbol, be alert and carefully read the message that follows it. In addition to design and conﬁguration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training of personnel involved in the operation, transport, maintenance and storage of equipment.

Be Aware of Signal Words

Signal words designate a degree or level of hazard seriousness.

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This signal word is limited to the most extreme situations, typically for machine components that, for functional purposes, cannot be guarded.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury, and includes hazards that are exposed when guards are removed. It may also be used to alert against unsafe practices.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

Prepare for Emergencies

▲ Be prepared if a ﬁre starts

▲ Keep a ﬁrst aid kit and ﬁre extinguisher handy.

▲ Keep emergency numbers for doctor, ambulance, hospital

and ﬁre department near phone.

Be Familiar with Safety Decals

▲ Read and understand “Safety Decals” on page 6,

thoroughly.

▲ Read all instructions noted on the decals.

▲ Keep decals clean. Replace damaged, faded and illegible

decals.

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Wear Protective Equipment

Great Plains advises all users of chemical pesticides or herbicides to use the following personal safety equipment.

▲ Waterproof, wide-brimmed hat

▲ Waterproof apron.

▲ Face shield, goggles or full face respirator.

▲ Goggles with side shields or a full face respirator is

required if handling or applying dusts, wettable powders, or granules or if being exposed to spray mist.

▲ Cartridge-type respirator approved for pesticide vapors

unless label speciﬁes another type of respirator.

▲ Waterproof, unlined gloves. Neoprene gloves are

recommended.

▲ Cloth coveralls/outer clothing changed daily; waterproof

items if there is a chance of becoming wet with spray

▲ Waterproof boots or foot coverings

▲ Do not wear contaminated clothing. Wash protective

clothing and equipment with soap and water after each use. Personal clothing must be laundered separately from household articles.

▲ Clothing contaminated with certain pesticides must be

destroyed according to state and local regulations. Read chemical label for speciﬁc instructions.

▲ Wear clothing and equipment appropriate for the job. Avoid

loose-ﬁtting clothing.

▲ Prolonged exposure to loud noise can cause hearing

impairment or loss. Wear suitable hearing protection such as earmuffs or earplugs.

▲ Avoid wearing entertainment headphones while operating

machinery. Operating equipment safely requires the full attention of the operator.

Handle Chemicals Properly

Agricultural chemicals can be dangerous. Improper use can seriously injure persons, animals, plants, soil and property.

▲ Read and follow chemical manufacturer’s instructions.

▲ Wear protective clothing.

▲ Handle all chemicals with care.

▲ Avoid inhaling smoke from any type of chemical ﬁre.

▲ Store or dispose of unused chemicals as speciﬁed by

chemical manufacturer.

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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 3

Avoid High Pressure Fluids

Escaping ﬂuid under pressure can penetrate the skin, causing serious injury.

▲ Avoid the hazard by relieving pressure before disconnecting

hydraulic lines.

▲ Use a piece of paper or cardboard, NOT BODY PARTS, to

check for suspected leaks.

▲ Wear protective gloves and safety glasses or goggles when

working with hydraulic systems.

▲ If an accident occurs, seek immediate medical assistance

from a physician familiar with this type of injury.

Use A Safety Chain

(Optional hydraulic hitch only. 3-Point has no chain.)

▲ Use a safety chain to help control drawn machinery should

it separate from tractor draw-bar.

▲ Use a chain with a strength rating equal to or greater than

the gross weight of towed machinery.

▲ Attach chain to tractor draw-bar support or other speciﬁed

anchor location. Allow only enough slack in chain to permit turning.

▲ Replace chain if any links or end ﬁttings are broken,

stretched or damaged.

▲ Do not use safety chain for towing.

Use Safety Lights and Devices

Slow-moving tractors and towed implements can create a hazard when driven on public roads. They are difﬁcult to see, especially at night.

▲ Use ﬂashing warning lights and turn signals whenever

driving on public roads.

Use lights and devices provided with implement

Keep Riders Off Machinery

Riders obstruct the operator’s view. Riders could be struck by foreign objects or thrown from the machine.

▲ Never allow children to operate equipment.

▲ Keep all bystanders away from machine during operation.

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Transport Machinery Safely

Maximum transport speed for implement is 20 mph (32 kph), 13 mph (22 kph) in turns. Some rough terrains require a slower speed. Sudden braking can cause a towed load to swerve and upset.

▲ Do not exceed 20 mph. Never travel at a speed which does

not allow adequate control of steering and stopping. Reduce speed if towed load is not equipped with brakes.

▲ Comply with state and local laws.

▲ Do not tow an implement that, when fully loaded, weighs

more than 1.5 times the weight of towing vehicle.

▲ Carry reﬂectors or ﬂags to mark planter in case of

breakdown on the road.

▲ Keep clear of overhead power lines and other obstructions

when transporting. Refer to transport dimensions under “Speciﬁcations and Capacities” on page 135.

▲ Do not fold or unfold the planter while the tractor is moving

Shutdown and Storage

▲ Lower planter, put tractor in park, turn off engine, and

remove the key7.

▲ Secure planter using blocks and supports provided.

▲ Detach and store planter in an area where children

normally do not play.

Tire Safety

Tire changing can be dangerous and should be performed by trained personnel using correct tools and equipment.

▲ When inﬂating tires, use a clip-on chuck and extension hose

long enough for you to stand to one side–not in front of or over tire assembly. Use a safety cage if available.

▲ When removing and installing wheels, use wheel-handling

equipment adequate for weight involved.

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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 5

Practice Safe Maintenance

▲ Understand procedure before doing work. Use proper tools

and equipment. Refer to this manual for additional information.

▲ Work in a clean, dry area.

▲ Lower the planter, put tractor in park, turn off engine, and

remove key before performing maintenance.

▲ Make sure all moving parts have stopped and all system

pressure is relieved.

▲ Allow planter to cool completely.

▲ Disconnect battery ground cable (-) before servicing or

adjusting electrical systems or before welding on planter.

▲ Inspect all parts. Make sure parts are in good condition and

installed properly.

▲ Remove buildup of grease, oil or debris.

▲ Remove all tools and unused parts from planter before

operation.

Safety At All Times

Thoroughly read and understand the instructions in this manual before operation. Read all instructions noted on the safety decals.

▲ Be familiar with all planter functions.

▲ Operate machinery from the driver’s seat only.

▲ Do not leave planter unattended with tractor engine

running.

▲ Do not dismount a moving tractor. Dismounting a moving

tractor could cause serious injury or death.

▲ Do not stand between the tractor and planter during

hitching.

▲ Keep hands, feet and clothing away from power-driven

parts.

▲ Wear snug-ﬁtting clothing to avoid entanglement with

moving parts.

▲ Watch out for wires, trees, etc., when folding and raising

planter. Make sure all persons are clear of working area.

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Safety Decals

Safety Reﬂectors and Decals

Your implement comes equipped with all lights, safety reﬂectors and decals in place. They were designed to help you safely operate your implement.

▲ Read and follow decal directions.

▲ Keep lights in operating condition.

▲ Keep all safety decals clean and legible.

▲ Replace all damaged or missing decals. Order new decals

from your Great Plains dealer. Refer to this section for proper decal placement.

▲ When ordering new parts or components, also request

corresponding safety decals.

818-055C

To install new decals:

1. Clean the area on which the decal is to be placed.

2. Peel backing from decal. Press ﬁrmly on surface, being careful not to cause air bubbles under decal.

Slow Moving Vehicle Reﬂector

On the back of the walkboard platform; 1 total

838-266C

Red Reﬂectors

On the back of seed box support structure each end (above wheels, outside Daytime reﬂectors); two total

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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 7

838-267C

Daytime Reﬂectors

On the back of seed box support structure each end (above wheels, inside of red reﬂectors); two total

838-265C

Amber Reﬂectors

On the front of the center section front lower tool bars, on the rear of the wing tool bars, and on the sides of the seed box frame; six total.

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818-590C

Danger: Crushing Hazard

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Top center of 3-point hitch; one total (not present with hydraulic tongue option)

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8 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

818-557C

Danger (in Spanish):

Advising non-English readers to seek translation On side of tongue; one total

838-599C

Danger: Electrocution Hazard

One each side or marker upright arm, each side; four total

818-045C

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Warning: Pinch/Crush

On forward transport wheel arms, each side On rear axle by seed hopper, each side; ﬁve total

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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 9

818-188C

WARNING

EXCESSIVE SPEED HAZARD

To Prevent Serious Injury or Death:

Do Not exceed 20 mph maximum transport speed. Loss of vehicle control and/or machine can result.

Warning: Speed

On front of center section, one total

818-339C

818-188C Rev. C

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Warning: High Pressure Fluid Hazard

On side of tongue; one total

818-682C

Warning: Markers: Pinch/Crush

One each side or marker upright arm, each side; four total

818-587C

Caution: Read Operator Manual

On center tool bar; one total

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10 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

818-351C

Caution: Transport Locks

Hitch tongue, Rockshaft face, forward center transport wheels, front of wing casters; ﬁve total

29796

818-398C

Caution: Tires Not A Step

One front face each wing gauge wheel, One each side front center axle; 6 total

838-426C

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Caution: Pressure and Torque

On outside rim each transport tire; 10 total

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Great Plains Manufacturing, Inc. Table of Contents Index 11

Introduction

Great Plains welcomes you to its growing family of new product owners. The 60 Foot Yield-Pro® Planter with Air-Pro care and built by skilled workers using quality materials. Proper setup, maintenance, and safe operating practices will help you get years of satisfactory use from the machine.

Meters (YP2425A) has been designed with

Description of Unit

The YP2425A Planter is a pull-type implement for use in conventional till, minimum-till, or light no-till conditions. The YP2425A Planter accepts optional unit mounted and frame-mounted row accessories. Coulters make it suitable for light to moderate no-till conditions only. The YP2425A Planter is outﬁtted with 25 Series, side-depth-control row-units and Air-Pro The YP2425A Planter folds for transport.

seed meters.

Intended Usage

Use the YP2425A Planter to seed production-agriculture crops only. Do not modify the planter for use with attachments other than Great Plains options and accessories speciﬁed for use with the YP2425A Planter.

Models Covered

Using This Manual

Figure 1

YP2425A Planter

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YP2425A-2430 24 Row, 30 Inch Spacing

YP2425A-2470 24 Row, 70 cm Spacing

YP2425A-3620 36 Row, 20 Inch Spacing

YP2425A-4715 47 Row, 15 Inch Spacing

YP2425A-48TR 48 Row (24 Twin), 30 Inch Spacing

Document Family

401-626M Owner’s Manual (this document)

401-626B Seed Rate Charts

401-626P Parts Manual

DICKEY-john®IntelliAg® manuals:

110011508 Planter/Drill Control, User Level 1

110011501 Planter/Drill Control, User Level 2&3

110011518 YP2425A-48TR Quick-Start Guide

110011519 YP2425A-4715 Quick-Start Guide

110011520 YP2425A-2430 Quick-Start Guide

110011521 YP2425A-3620 Quick-Start Guide

110011522 YP2425A-2470 QSG

This manual will familiarize you with safety, assembly, operation, adjustments, troubleshooting, and maintenance. Read this manual and follow the recommendations to help ensure safe and efﬁcient operation.

The information in this manual is current at printing. Some parts may change to assure top performance.

Deﬁnitions

The following terms are used throughout this manual.

Right-hand and left-hand as used in this manual are determined by facing the direction the machine will travel while in use unless otherwise stated. An orientation rose in some line art illustrations shows the directions of: Up, Back, Left, Down, Front, Right.

A crucial point of information related to the current topic. Read and follow the directions to remain safe, avoid serious damage to equipment and ensure desired field results.

Note: Useful information related to the preceding topic.

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12 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Owner Assistance

If you need customer service or repair parts, contact a Great Plains dealer. They have trained personnel, repair parts and equipment specially designed for Great Plains products.

Refer to Figure 2

Your machine’s parts were specially designed and should only be replaced with Great Plains parts. Always use the serial and model number when ordering parts from your Great Plains dealer. The serial-number plate is located on the left end of the seed cart tool bar, as shown.

Record your YP2425A Planter model and serial number here for quick reference:

Model Number:__________________________

Serial Number: __________________________

Your Great Plains dealer wants you to be satisﬁed with your new machine. If you do not understand any part of this manual or are not satisﬁed with the service received, please take the following actions.

1. Discuss the matter with your dealership service manager. Make sure they are aware of any problems so they can assist you.

2. If you are still unsatisﬁed, seek out the owner or general manager of the dealership.

For further assistance write to:

Figure 2

Serial Number Plate

26032

Product Support

Great Plains Mfg. Inc., Service Department

Salina, KS 67402-5060

PO Box 5060

785-823-3276

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Great Plains Manufacturing, Inc. Table of Contents Index 13

Preparation and Setup

This section helps you prepare your tractor and YP2425A Planter for use, and covers tasks that need to be done seasonally, or when the tractor/planter conﬁguration changes.

Before using the YP2425A Planter in the ﬁeld, you must hitch the planter to a suitable tractor, inspect systems, level the planter. Before using the planter for the ﬁrst time, and periodically thereafter, certain adjustments and calibrations are required.

Post-Delivery/Seasonal Setup

On initial delivery, use with a new tractor, and seasonally, check and as necessary, complete these items before continuing to the routine setup items:

• Install seed monitor console in tractor (page 151).

• Bleed hydraulic system (page 105).

• Wing leveling and alignment (page 108).

• Marker setup (page 54)

• Radar calibration (page 151).

• De-grease exposed cylinder rods if so protected at last storage.

Pre-Planting Setup

Complete this checklist before routine setup:

❑ Read and understand “Important Safety

Information” on page 1.

❑ Check that all working parts are moving freely, bolts

are tight, and cotter pins are spread.

❑ Check that all grease ﬁttings are in place and

lubricated. See “Lubrication” on page 113.

❑ Check that all safety decals and reﬂectors are

correctly located and legible. Replace if damaged. See “Safety Decals” on page 6.

❑ Inﬂate tires to pressure recommended and tighten

wheel bolts as speciﬁed. See “Speciﬁcations and Capacities” on page 135.

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14 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Hitching Tractor to Planter

Crushing Hazard:

Do not stand or place any part of your body between planter and moving tractor. You may be severely injured or killed by being crushed between the tractor and planter. Stop tractor engine and set park brake before attaching cables and hoses.

Hydraulic Hose Hookup

High Pressure Fluid Hazard:

Relieve pressure before disconnecting hydraulic lines. Escaping ﬂuid under pressure can have sufﬁcient pressure to penetrate the skin causing serious injury. Use a piece of paper or cardboard, NOT BODY PARTS, to check for leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, seek immediate medical attention from a physician familiar with this type of injury.

Refer to Figure 3

Great Plains hydraulic hoses have color coded handle grips to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color.

Current Style Color Coded Hose Handles

Color Hydraulic Function

Gray Wing Fold / Marker Fold / Auxiliary Blue Lift / (and Hitch if hydraulic tongue) Black Fan Yellow Hydraulic Drive

To distinguish hoses on the same hydraulic circuit, refer to the symbol molded into the handle grip. Hoses with an extended-cylinder symbol feed cylinder base ends. Hoses with a retracted-cylinder symbol feed cylinder rod ends.

For hydraulic fan and drive motors, connect the hose under the retracted cylinder symbol to the pressure side of the motor. Connect the hose under the extended cylinder symbol to the return side of the motor.

The fan motor further requires hookup of a third line, which returns hydraulic ﬂuid from the fan motor case.

Figure 3

Color Coded Hose Handles

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Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 15

Older Style Hoses with Color Ties

Refer to Figure 4

Great Plains hydraulic hoses are color coded to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color tie.

Color Hydraulic Function

White Wing Fold / Marker Fold / Auxiliary

Blue Lift / (and Hitch if hydraulic tongue)

Orange Fan

Yellow Hydraulic Drive

To distinguish hoses on the same hydraulic circuit, refer to hose label. The hose under an extended-cylinder symbol feeds a cylinder base end. The hose under a retracted-cylinder symbol feeds a cylinder rod end.

The fan motor further requires hookup of a third line, which returns hydraulic ﬂuid from the fan motor case.

Figure 4

Older Style Hoses w/Label

27270

Protecting Fan Hydraulic Motor Seals

Low Pressure (Case) Drain Connection

1. Attach case drain hose to low pressure drain

connection.

Note: Case drain hose has the smaller1⁄4inch I.D. hose

and small, ﬂat-face, connector.

2. Connect low pressure motor return hose to low

pressure return connector. It is distinguished by a large (1.06 inch / 2.7 cm diameter) quick coupler.

3. Connect hydraulic hoses to tractor remotes.

Motor Seal Damage Risk:

Case Drain Hose must be attached ﬁrst, prior to inlet and return hoses being connected.

Case Drain Hose must be detached last, to prevent damage to the fan motor.

Hydraulic Motor Performance Risk:

DO NOT hook case drain line to a “power-beyond port”.

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Electrical Hookup

Refer to Figure 5 (which depicts the North American lighting connector and the seed monitor connector )

Your YP2425A Planter is equipped with standard and optional devices that require separate electrical connections.Make sure tractor is shut down with accessory power off before making connections.

These connections may be made in any order.

Note: The switch control module should be mounted in

1 2

your tractor cab in a location with easy access. Route wiring harnesses with enough slack to allow for tractor movement, especially on articulating tractors.

Hitching with 3-Point

Refer to Figure 6

4. Connect your tractor 3-point to the planter 3-point hitch. If using quick hitch be sure planter locks into hitch securely.

5. Raise tractor 3-point just enough to relieve pressure off of the parking stand.

6. Store 3-point stands . There are two methods:

a. Remove lower pins . Swing stand under hitch.

Reinsert pin beneath stand at inner hole.

b. Remove both pins. Invert stand. Re-pin.

Load Sway Hazard:

Adjust 3-point hitch arms and sway blocks to minimize any side-to-side sway to assure proper tracking in the ﬁeld, and safe road travel.

7. Remove and store main tongue parking stand. See “Store Main Parking Stand” on page 18.

8. Adjust the top link of a 3-point long enough so the ball swivel does not bottom out when fully raised.

9. Secure hoses so they do not get caught in ball swivel. Failure to do so could cause hose to be crushed requiring hose replacement.

Figure 5

Connector Identiﬁcation

Figure 6

3-Point Hitch Stands Stored

25236 25237

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Hitching with Hydraulic Tongue (Option)

Refer to Figure 7

10. Move the tractor to near hitching position.

11. Connect the hydraulic hoses for the tongue circuit. This needs to be done before hitching in order to raise and lower the tongue. See “Hydraulic Hose Hookup” on page 14. Allow slack for hitch movements. Close the tongue cylinder bypass valve.

12. Make electrical connections for at least the planter control circuit (necessary to control planter hydraulic systems). See page 16.

13. Check that hitch local bypass valve is closed.

Refer to Figure 8

14. Set the cab Clutch Folding Module Lift/Hitch switch

to Hitch.

15. Retract the Hitch/Lift circuit to set the tongue height to clear the draw-bar. Back the tractor into alignment and pin the draw-bar.

16. Connect safety chain to a suitable anchor point on the tractor.

17. Extend the Hitch/Lift circuit to raise the hydraulic tongue just enough to relieve pressure from the parking stand.

18. Remove and store main tongue parking stand. See “Store Main Parking Stand” on page 18.

Local Float on Hydraulic Tongue

Refer to Figure 7

The hydraulic tongue must be in Float during planter moves.

If it is necessary to move the planter without ﬁrst connecting it to a tractor that has a ﬂoat-capable circuit for the hydraulic tongue, open the bypass valve on the

tongue cylinder. This provides local ﬂoating capability at the tongue.

OPEN

CLOSED

Figure 7

Hitching with Hydraulic Tongue

(Bypass Valve Closed)

Figure 8

Clutch Folding Module (Hitch)

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Store Main Parking Stand

Refer to Figure 9 and Figure 10

1. Remove the lower pin and the upper pin holding the parking stand .

2. Move the stand from under the tongue to an inverted position in the bracket on the left side on the tongue.

1 2

Raising/Lowering Tongue

In addition to hitching, tongue raising and lowering is required during fold and unfold to engage and disengage the wing locks.

With the standard 3-point hitch, the planter tongue is raised and lowered by raising and lowering the 3-point.

With the optional hydraulic tongue, the planter tongue is raised by extending the hitch cylinder, and lowered by retracting the hitch cylinder.

Figure 9

Main Parking Stand

Figure 10

Parking Stand Stored

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Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 19

Tank Cart Hitching

If using a fertilizer cart, consult the cart manual for:

• hitching cart tongue to planter

• connecting pump control electronics to planter

• connecting fertilizer feed hoses to planter

Complete the tractor-planter hook-up before making any tank cart connections.

Material Loss Risk:

Open hose and inlet valves when ready to begin planting. Close them when not in use. Damage to hoses when not applying material can result in rapid tank depletion.

Fertilizer Connection Types

Type

2-section, planter manifold and pump: Starter inlet only

3-section, cart manifold and pump: Left, Center, Right inlets & Gauge line

Description

Figure 11

Fertilizer Cart Connections

27372

Making Fertilizer Connections

YP2425A Planter with Type 2 and Type 3 Manifolds, & Ground Drive Pump(s)

Planter Inlet

Left Type 3 Center Type 3 Right Type 3 Type 2

YP2425A Planter with Type 3 Manifold (only)

Planter Inlet

Left Type 3 Center Type 3 Right Type 3

YP2425A Planter with Type 2 (only) & Ground Drive Pumps

Planter Inlet

a. Gauge Line is supplied with PFC1600 or PFC2000 tank cart

Type 2

Gauge Line

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Heights and Leveling

All frame sections must be at the correct height and level to maintain even planting depth.

Periodic frame-leveling adjustments should not be necessary. If you are having problems with uneven depth, check planter levelness and follow these procedures.

1. Before making any adjustments be sure the lift cylinders are re-phased and operating properly. If not, See “Re-Phasing Lift System” on page 30

2. Complete “Bleeding Hydraulics” on page 105.

3. Unfold the planter fully (page 24).

Set Tongue Height

Planter must be unfolded for this procedure.

Refer to Figure 12

Set the initial tongue height, using 3-point or hydraulic tongue cylinder. Distance is measured at top of tongue to ground level.

• For standard 3-point hitch:

Set depth stop to capture this working height.

If desired height cannot be attained with normal range of hitch, swivel coupler weldment may be relocated in tongue bolt holes.

Note: Tractor 3-point control must be in Depth Control

mode, and not Draft Control mode.

• For hydraulic tongue:

Note: Level frame in planting conditions.

Failure to do so may result in implement not producing desired results.

41.5in

(105.4cm)

Figure 12

Initial Tongue Height

25316

Note the scale reading on the tongue for this height. [Re]set the tongue height to this value when planting.

2 1

Checking Planter Leveling Side to Side

The planter is designed to operate with all sections of the main tool bar nominally 26in (66cm) above the planting surface. The height of the center section is not routinely adjustable. Set planting depth with row unit adjustments.

When lowering the planter for the ﬁrst time on the planting ground:

1. Completely lower the main tool bar. If necessary, ﬁrst lift off transport locks, remove and stow locks.

2. Set hitch to planting height.

3. Pull forward a short distance.

Height Mis-adjustment Risk:

Fully lower planter to ﬁeld position (with openers into ground) and set hitch height before making side-to-side adjustments.

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Wing/Center Level Check

Figure 13

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Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 21

Center Section Level Check

Vertical height and side-to-side level of the center section is set at the factory and cannot be ﬁeld-adjusted. It does need to be veriﬁed before checking/adjusting the wings. Soil accumulation on the wheels, for example, can cause the center section to tilt.

Any unevenness in ground that tilts the wings or center section causes the inner wing ends to move up or down slightly with respect to the center frame.

Refer to Figure 13 on page 20

4. Measure the elevation of both left and right sides of the planter center section, at the ends of the center section tool bar (location in Figure 13).

Wing Leveling

Wing Leveling, Inboard End

Wing leveling check/adjustment is required prior to ﬁrst use of the YP2425A Planter, and periodically thereafter, for example, if soil conditions change dramatically.

Before performing this operation:

• Check center section height and level (page 20).

• Row unit coulter/planting depths, and row unit

down-pressures must all be equal.

5. Measure the height of the inboard end of each wing, near the wing ﬂex pivot (location in Figure 13).

6. Compare this height to that of the center section obtained at step 4 on page 21.

7. If the heights differ by more than 1in, check them again after leveling the wing ends. If they still differ, the thrust washers in the wing pivots may be worn and in need of replacement.

Wing Leveling, Outboard End

Figure 14

Wing End Level Check

26118

Refer to Figure 14 and Figure 15

1. Measure from the bottom of the wing tool bar to the ground at the outer end of each wing (location in Figure 14).

2. Compare to the measurement at the outer end of the center tool bar, at the wing pivot location. All measurements should be identical, and close to 26in (66cm).

3. If measurements do not match, loosen upper gauge wheel lock nut , and adjust eyebolt link length with adjuster nut .

4. If adjustments are needed on either side, re-check the other side after each adjustment, and re-adjust it as needed.

5. Once level, tighten the lock nut .

Figure 15

26036

Leveling Wing

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Lock Up Fertilizer Drive

YP2425A serial number B1029G+

Loss of Control and Sharp Object/Crushing Hazards:

Do not lift or lower wheel by spoke or rim; use handle only. Keep feet out from under wheel. 90 pounds (41 kg.) force is required to lift wheel. If you lose your grip before pinning, or after unpinning, the arm snaps down rapidly. The traction teeth and the force of the wheel impact can inﬂict serious injury.

The liquid fertilizer option uses a piston pump driven by a ground contact wheel. When not using the fertilizer drive, preserve the pump by locking up the ground wheel. On older models remove the chain.

Note: Do not operate planter pump when not applying

material.

Refer to Figure 16

For YP2425A planters:

1. Remove clevis pin from storage hole .

2. Release the lock arm , lift handle to lift ground wheel up to position it in-between lock arm.

3. Secure with pin clevis and cotter pin.

5 7

Figure 16

Locked Up Fertilizer Drive

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Great Plains Manufacturing, Inc. Table of Contents Index 23

Operating Instructions

This section covers general operating procedures. Experience, machine familiarity, and the following information will lead to efﬁcient operation and good working habits. Always operate farm machinery with safety in mind.

Pre-Start Checklist

Perform the following steps before transporting the YP2425A Planter to the ﬁeld.

❑ Carefully read “Important Safety Information” on

page 1.

❑ Lubricate planter as indicated under “Lubrication”

on page 113.

❑ Check all tires for proper inﬂation. See

“Speciﬁcations and Capacities” on page 135.

❑ Check all bolts, pins, and fasteners. Torque as

shown in “Torque Values Chart” on page 150.

❑ Check planter for worn or damaged parts. Repair or

replace parts before going to the ﬁeld.

❑ Check hydraulic hoses, ﬁttings, and cylinders for

leaks. Repair or replace before going to the ﬁeld.

❑ Install seed disks appropriate for crop. To change

disks, see “Air-Pro® Meter Disk Installation” on page 78.

High Pressure Fluid Hazard:

Relieve pressure before disconnecting hydraulic lines. Use a piece of paper or cardboard, NOT BODY PARTS, to check for leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. Escaping ﬂuid under pressure can have sufﬁcient pressure to penetrate the skin causing serious injury. If an accident occurs, seek immediate medical assistance from a physician familiar with this type of injury.

Fold/Unfold Lock Overview

The YP2425A planter includes ﬁve sets of locks for the frame, wings and casters:

1. Wing locks: Hooks on the tongue engage locks on the wings to prevent unfolding in transport. Tongue must be raised to engage/release. See page 25.

2. Lift cylinder lock channels: These are operator-installed on a raised plater, these prevent lowering in transport or when parked. See page 30.

3. Fold cylinder and Caster swing arm cylinder lock valves: Switch-controlled solenoid valves prevent motion of the fold cylinders and caster swing arm cylinders, in transport and ﬁeld. See page 143.

4. Tongue lock: This engages automatically at unfold, and lock the tongue/draw bar geometry for ﬁeld operations. See page 25.

5. Caster pivot locks: operator-engaged after unfold, these prevent caster swiveling in the ﬁeld, which aids in tracking across hillsides. See page 24.

Figure 17

Fold/Unfold/Lift Locking Features

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Unfolding the YP2425A Planter

The distance between the tractor and the seed structure decreases by 12 feet (3.7 m) during unfolding. Planter, tractor, or both will move during this operation.

Crushing, Pinch-Point and Overhead Hazards:

To prevent serious injury or death:

▲ Fold only on hard level ground. Allow ample room.

▲ If it is desired that the tractor not move, make sure tractor is

in Park and/or has parking brakes set, otherwise the telescoping movement of the planter is likely to result in tractor movement.

▲ Do not allow anyone to be on or near the planter during

unfolding.

▲ Stay clear of the wing sweep arcs. The sweep arcs of the

wings have numerous pinch and crush points in the mechanism. Coulters and row openers are sharp.

▲ Allow no one near planter. The seed structure usually moves

forward during unfolding.

▲ Do not unfold with planter lowered, or machine damage

will result.

▲ Unfold only with markers resting in transport cradles.

▲ Unfold only if hydraulics are bled free of air and fully

charged with hydraulic oil.

1. Move to level ground.

Refer to Figure 18

2. On the Clutch Folding Module (CFM), set the following switches to OFF (down): MASTER switch in the CLUTCH cluster , and Fert.Pump .

3. If the folded planter is lowered, raise mainframe (See “Raising/Lowering Planter” on page 26).

4. If equipped with hydraulic hitch, the CFM Lift/Hitch switch must be set to Hitch.

Refer to Figure 19

5. At each wing caster, check that lock control handles and indicators are in the ROAD position, allowing the casters to swivel. If they are not, set handle to ROAD position and fully raise and lower planter to release load on lock plates to allow them to come open.

Refer to Figure 18

6. Set CFM Marker/Fold switch to Fold. LED above switch blinks continuously.

6 7

1 2

Figure 18

Clutch Folding Module

Figure 19

Caster Unlocked

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Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 25

Unfolding, Continued …

7. Raise tractor 3-point hitch or extend planter hydraulic tongue until tongue wing locks rise and disengage.

Machine Damage Risk:

Raise hitch before unfolding. If hitch is not raised, wing locks remain in transport hooks. Wings cannot unfold, and machine damage is possible.

8. Activate (normally Retract) tractor hydraulic circuit to unfold wings.

Refer to Figure 22

9. Operation is complete when to tongue lock engages.

Figure 20

Unfold: Wings Locked

26037

Machine Damage Risk:

Do not operate planter when unfolded unless tongue lock is engaged. When unlocked, the pull bar system experiences excess loads. The openers may be damaged by not tracking straight forward.

10. When fully unfolded, set Marker/Fold hydraulic circuit to Neutral.

11. Disable lock valve solenoids by setting CFM Marker/Fold switch to Marker.

Note: Set switch to “Marker” even if markers are not

installed.

12. For imminent lowered operations, remove lift cylinder locks (see “Lift Cylinder Lock-Up” on page 30).

Refer to Figure 19

13. For operations across hillsides, engage caster locks. Set wire handles to FIELD. Casters will lock into straight trailing position during operation.

14. Set hitch height to planting position (“Raising/Lowering Tongue” on page 18).

Machine Damage Risk:

Unfold and fold slowly. Adjust hydraulic ﬂow to take a minimum of 60 seconds to unfold or fold. Wings are massive, and damage can occur if they reach the end of travel at high speed. At lower speeds you also have time to check for hose pinching or kinking, as well as react to anything unexpected in the sweep arc.

Figure 21

Planter Unfolding

Figure 22

Tongue Lock Engaged

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26041

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26 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Raising/Lowering Planter

Refer to Figure 23

Planter raising/lowering relies on the four lift cylinders at the mainframe and wing end gauge wheels.

The planter must be raised for folding and unfolding.

The planter will not fully lower if transport locks are installed. See “Lift Cylinder Lock-Up” on page 30.

Note: When unfolded, if one or both markers are

extended, they may drag or shove if left extended during raise or lower operations. To avoid this, fold markers prior to raise or lower.

Machine Damage Risk (Hydraulic Hitch Only):

Do not lower planter while folded without using the special procedure below (this is a hydraulic hitch restriction - planter may be lowered while folded with standard 3-point hitch).

Figure 23

Clutch Folding Module

26113

Machine Damage Risk:

Do not lower while any planter folding operations are underway or partially complete, with either hitch.

Machine Damage Risk:

Always raise the planter for any reverse/backing operations.

Local Float on Hydraulic Tongue

A hydraulic hitch planter may be raised or lowered while folded if the hitch has the local ﬂoat valve.

Crushing Hazard:

Tongue or planter components may drop suddenly when circuit is ﬂoated. Before raising or lowering, set CFM Lift/Hitch switch to Hitch and set tractor circuit to Float. If tractor is not available, use bypass valve on hitch. Stand clear and open it slowly.

1. Float hitch circuit before lowering while folded. Float hitch circuit before rasing while folded.

2. Set CFM Lift/Hitch switch to Lift for raising/lowering.

3. Close bypass valve before switching to Hitch. Hitch circuit operation has no effect with bypass valve open.

Figure 24

Planter Raised

Figure 25

Planter Lowered

Figure 26

Local Float on Hydraulic Tongue

26114

26115

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Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 27

Raising Planter

Refer to Figure 27

1. If the planter has hydraulic hitch, set the Lift/Hitch switch to LIFT.

Note: If the planter has the standard 3-point hitch, this

switch has no function. The hydraulic circuit is always in Lift (Raise/Lower) mode.

2. Move the cab lever to Extend the circuit for Lift/Hitch.

3. Move lever to Neutral (not Float) to hold at lift.

Pinch/Crush Risk:

Keep all personnel clear of center section and seed cart while raising tool bar. The wheels move inward.

Machine Damage Risk:

On tractors with electronic timer controls for hydraulic circuits, lift timers must be set to no more than 2 seconds longer than needed to fully raise planter.

Do Not Set for Continuous Mode.

For transport, maintenance or storage, install lift cylinder locks. See “Lift Cylinder Lock-Up” on page 30.

Lowering Planter

Refer to Figure 28

1. If lift cylinder locks are installed, ﬁrst fully raise the planter, and remove the locks. See “Raising Planter” on page 27 and “Lift Cylinder Lock-Up”on page 30.

2. If equipped with hydraulic hitch, set the Lift/Hitch switch to LIFT. On 3-point hitch, this switch has no function and the circuit is in Lift mode at all times.

3. Move the cab lever to Retract the circuit for Lift/Hitch. When fully lowered, return lever to neutral.

Machine Damage Risk (Hydraulic Hitch Only):

Never lower planter while fully folded, if it is equipped with the hydraulic tongue hitch, or machine damage can occur unless a special procedure is followed (see page 26). A planter with a 3-point hitch may be lowered while folded.

Figure 27

CFM: Raising Planter

Crushing Risk:

Keep all personnel clear of center section and seed cart while lowering tool bar. The wheels move outward.

26113

Machine Damage Risk:

Never lower planter while partially unfolded (with either hitch). Wing row units can strike main transport wheels.

Figure 28

26113

CFM: Lowering Planter

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Folding the YP2425A Planter

Fold the YP2425A Planter for moves between ﬁelds and over public roads, and for storage. The distance between the tractor and the seed structure increases by 12 feet (3.7 m) during unfolding. Planter, tractor, or both will move during this operation.

Pinch Point and Crushing Hazard.:

To prevent serious injury or death:

▲ Fold only on hard level ground. Allow ample room.

▲ If it is desired that the tractor not move during folding, make

sure tractor is in Park and/or has parking brakes set, otherwise the telescoping movement of the planter is likely to result in tractor movement.

▲ Do not allow anyone to be on or near the planter during

folding.

▲ Stay clear of the wing sweep arcs. The sweep arcs of the

wings have numerous pinch and crush points in the mechanism. Coulters and row openers are sharp.

▲ Allow no one behind the planter. The seed structure moves

backward during folding.

▲ Do not fold with planter lowered, or machine damage will

result.

▲ Fold only with markers resting in transport cradles.

▲ Fold only if hydraulics are bled free of air and fully charged

with hydraulic oil.

1. Move to level ground. Put tractor in Park. Set parking brake.

Refer to Figure 23

2. On the cab Clutch Folding Module (CFM), set the following switches to OFF (down): MASTER switch in the CLUTCH cluster, and Fert.Pump .

3. Raise planter mainframe (see “Raising/Lowering Planter” on page 26). Do not raise (hydraulic) hitch at this point.

4. Install lift cylinder locks (see “Lift Cylinder Lock-Up” on page 30).

Figure 29

CFM: Wing Folding

Figure 30

Fold Commencing

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Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 29

Folding, Continued …

Refer to Figure 31

If caster locks are engaged (wire handle and indicator in FIELD position), they must be released

before folding.

5. At each wing caster, move the lock control handle to the ROAD position.

6. If the indicator end of the lock does not immediately snap up from FIELD to ROAD, some pivot tension is holding the pawl end of the lock in the plate detent . Raise and lower planter fully to

release load on lock plates to allow them to come open. Move the planter forward or back a short distance until both locks unlock.

Refer to Figure 32

7. Set CFM Marker/Fold switch to Fold. LED above

switch blinks continuously.

8. Activate (normally Extend) tractor Marker/Fold hydraulic circuit to fold wings. Sequence begins with releasing of tongue latch (Refer to Figure 22 on page 25). Before folding completes …

9. Raise planter tongue (“Raising/Lowering Tongue” on page 18). This must be done before folding completes.

Figure 31

Caster Unlocked

Caster locks must be disengaged for transport.

29306

Refer to Figure 33

Note: If tongue is not raised prior to folding complete,

wing locks will be above transport hooks and unable to secure wings to tongue.

If this happens, partially unfold planter, raise tongue, and refold.

10. When fully folded, lower tongue so that wing locks engage transport hooks .

11. Set CFM Marker/Fold switch to Marker.

Note: Set switch to marker even if markers are not

installed. This switch position sets the fold and caster swing arm cylinder solenoid valves off, providing additional protection against unfolding.

12. Set Marker/Fold circuit lever to Neutral.

13. 3-point: lower hitch completely Hydraulic tongue: Set hitch circuit to Float (not Neutral).

Transport Hazard:

Wing locks must be engaged for safe transport, and planter tongue must be lowered to keep wings locked.

Figure 32

CFM: Wing Folding

Figure 33

Wings Locked

26033

26037

Hydraulic tongue, if installed, must be in Float.

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Re-phasing Fold System

In typical use during a single planting operation, it is normal for the fold cylinders to get slightly out of phase, resulting in uneven folding and unfolding of the YP2425A Planter.

Every few planting days, re-phase the cylinders with this procedure:

1. Raise, unfold and fold the planter completely, and hold the fold hydraulic lever or switch in Extend for several seconds after the planter reaches full folding, or until all cylinders are fully extended.

2. When all cylinders are fully extended, reverse (Retract) the control to unfold and return to planting.

Lift Cylinder Lock-Up

When moving the raised planter more than a short distance, or over any public road, or when performing adjustments or maintenance, do not rely solely on the lift cylinders to keep the mainframe raised.

Install transport locks.

Refer to Figure 34

1. If planter is folded, conﬁrm hitch is in Float. If planter is unfolded, hitch may be in any conﬁguration.

2. Raise the planter mainframe. See “Raising/Lowering Planter” on page 26.

3. Remove the transport locks from their storage positions . Install the transport locks on the cylinder rods , securing them with the same pins used for storage.

4. Lower the lift cylinders onto the locks.

Figure 34

Lift Cylinder Locks Installed

26038 29283

Re-Phasing Lift System

In typical use during a single planting operation, it is normal for the lift cylinders to get slightly out of phase, resulting in uneven raising and lowering of the YP2425A Planter.

Every 8- to 10 passes, or if lifting is uneven, re-phase the cylinders with this procedure:

1. Raise the planter completely, and hold the hydraulic lever or switch in Extend for several seconds after the planter reaches full elevation, or until all cylinders are fully extended.

2. When all cylinders are fully extended, momentarily reverse (Retract) the control to lower the planter

⁄2inch (13 mm).

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Transporting the Planter

Loss of Control Hazard:

Ensure that the towing vehicle is adequate for the task. Using an inadequate tow vehicle is extremely unsafe, and can result in loss of control, serious injury and death.

The planter can weigh up to 50,000 pounds (22780kg), depending on conﬁguration and seed load. A tank cart hitched to the planter (“in train”) can add another 5,000 pounds (2268kg) empty. The tractor unit MUST be rated for the load. If the tractor is not rated for at least 50,000 pounds, calculate the actual weight of the planter and cart.

Do not tow if planter exceeds the load rating of the vehicle.

Loss of Control Hazard:

A tank cart in train must be EMPTY. A full PFC2000 tank cart weighs nearly 30,000 pounds (13608kg), and, when hitched to the planter, represents an unsafe highway load regardless of the rating of the towing vehicle. If a cart must be transported loaded, tow it separately.

26142

Loss of Control Hazard:

The CFM switch must be set to Hitch, and the hydraulic circuit must be in FLOAT during transport. Failure to do this may result in hydraulic system damage, transport hooks unlatching, and major planter/tractor damage.

Braking and Loss of Control Hazard:

Do not exceed 20 mph when driving straight.

Loss of Control Hazard:

Do not exceed 13 mph (22 kph) in turns. The YP2425A Planter is extremely heavy, and can cause “over-steer” with most tractors. The rear-most transport wheels, and tank cart lead wheel fully caster, and provide no resistance to side sway by the planter or cart.

Reduction of Control Risk:

Seed may be loaded prior to travel, but increases stopping distance, increases the need for caution in turns and braking, and increases tire wear.

Never exceed 3 mph (5 kph) in reverse.

Never back up with the planter lowered or with a pintle hitch fertilizer tank hitched to the planter.

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Transport Checklist

❑ If heading to the ﬁeld, before departing, ensure that

opener depth, seed rate and fertilizer rate have been determined, or that the necessary data is with you.

❑ Plan the route. If towing a cart hitched to the planter,

plan the route so that no reverse movements will be necessary. Avoid steep hills. Keep clearances in mind. Folded, your YP2425A Planter may be nearly 15 feet (4.6 m) wide and 13 feet (4 m) high.

❑ Close slide gates on hoppers or seed boxes.

❑ Hitch.

Make both electrical and hydraulic connections. See “Hitching Tractor to Planter” on page 14. For hydraulic hitch, check that safety chain is anchored.

❑ If markers are unfolded, fold them.

See “Folding the Markers” on page 38.

❑ Raise planter.

See “Raising/Lowering Planter” on page 26

❑ Install lock-up channels on lift cylinders.

See “Lift Cylinder Lock-Up” on page 30.

❑ If planter wings are unfolded, fold them.

See “Folding the YP2425A Planter” on page 28. Make sure wing locks are engaged.

❑ Make sure caster locks are disengaged. See

“Folding the YP2425A Planter” on page 28.

❑ 3-point hitch:

Lower hitch fully to ensure wings remain locked. Hydraulic hitch: Conﬁrm CFM set to Hitch and hitch circuit in Float.

❑ Check all lights. Always have lights on for highway

operation.

❑ Comply with all national, regional and local safety

laws when traveling on public roads.

❑ Travel with caution.

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Loading Materials

For trailing tank cart, see the Operator manual for the cart.

82 Bushel Hopper Operation

Tipping Hazard:

Load an 82 bu. hopper only when mounted on the cart. A full hopper can weigh over 5,000 lbs (2268 kg), which is above the lifting and balance capability of most tractors and farm forklifts.

Note: Fork lift height capability required is:

Planter lowered: 4 feet 65⁄8inches (139 cm) Planter raised: 6 feet 97⁄8inches (208 cm)

Adding Seed to 82 bu. Hopper

1. When using new meters for the ﬁrst time, or at the start of each season, measure out approximately 4 gallons (15 liters) of seed into a pail. Add

⁄2cup (120 ml) of Ezee Glide Plus to the pail.

Mix and pour into air box before mounting hopper.

2. If no seed containers are present, or the previous operation was using a bulk seed boxes, mount the empty 82 bu. hoppers on the cart. See “Changing the Seed Box or 82 bu. Hopper” on page 34.

3. Put tractor in Park.

4. Turn off seed box fan.

5. Open slide gates at base of hoppers. Open lids.

6. Measure the lubricant required, and if loading seed by bag, determine the amount of lubricant per bag.

Approximate capacity of bulk seed hopper,

in bushels, at 10 inch increments.

Figure 35

Hopper Capacities (bu.)

22958

If loading with a hydraulic auger, see “Auxiliary Hydraulics” on page 36.

Entanglement, Chemical and Falling Hazards:

Observe all safety precautions for material handling and use of loading equipment (particularly augers).

Note: Auger height capability required is:

PROBOX®, planter lowered:

9 feet 11⁄2in. (2.78 m)

PROBOX®, planter raised:

11 feet 43⁄4in. (3.47 m)

82 bu. hopper, planter lowered:

9 feet. 41⁄4inches (2.85 m)

82 bu. hopper, planter raised:

11 feet 71⁄2inches (3.54 m)

7. Add seed, mixing in lubricant continuously or per bag.

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System Plugging Risk:

Do not use liquid seed treatments.

34 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Changing the Seed Box or 82 bu. Hopper

Note: The Planter 60ft Yield-Pro®Planter accepts Great

Plains 82 bu. hoppers or bulk seed boxes that meet the Pioneer

Note: Hoppers for the YP2425A Planter are provisioned

as a pair. To provide convenient walkboard access to the lid, the lid hinge is on the left for the left hopper, and on the right for the right hopper. They are otherwise identical.

Tipping Hazard:

Place or remove an 82 bu. hopper only when empty. A full hopper can weigh over 5,000 lbs, which is above the lifting and balance capability of most tractors and farm forklifts.

1. Move the planter to an area of level ground and sufﬁcient room to maneuver a tractor or fork-loader.

2. Unhitch tank cart if present.

3. Raise the planter. This causes the rear transport wheels to move forward, providing closer access for the lifter.

4. Back up the planter about three feet. This causes the rear transport wheels to caster forward, further reducing the reach required for lifting.

5. Turn off the seed box fan.

6. Put the towing tractor in Park. Shut off engine. Remove key.

7. Close the slide gates at the base of the hoppers or seed boxes.

Refer to Figure 36

8. Remove the two pins , one back left, one back right, used to retain the seed box or hopper. Remove these pins even if no container is presently mounted.

Refer to Figure 37

9. Align the lifting forks with the slots in the rear of the seed box or hopper. Slowly drive forward until the forks are completely under the container.

10. Slowly lift the seed container above the bracket, and back away from the planter.

11. Lower the container to the ground for exchange with the next seed box.

PROBOX®speciﬁcation.

Figure 36

Seed Box Lock Pins

Figure 37

Removing/Mounting Hopper

26046

26121

a. PROBOX® is a registered trademark of Pioneer Hi-Bred International, Inc.

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12. If mounting a seed box for the ﬁrst time in a season, open the new seed box and measure out approximately 3 gallons (11 liters) of seed into a pail. Add1⁄3cup (80 ml) of Ezee Glide Plus. Mix and pour into air box before mounting new seed box.

13. If mounting a seed box, add lubricant to the seed box at this time. It may be easier to add it while the box is still at ground level.

Plugging and Inconsistent Population Risks:

Ezee Glide Plus lubricant mix is mandatory for all seed, especially treated or inoculated seed. Insufﬁcient seed lubricant can cause system plugging, skips and doubles.

Refer to Figure 38

14. Approach the hopper or seed box from the back (the side with the slide gate).

Tipping Hazard:

Do not let anyone stand under or in front of the elevated seed box. Make sure your tractor or fork lift is rated for and conﬁgured to lift the weight. A full seed box can weight over 2500 lbs (1134 kg); a full 82 bu. hopper, over 5000 lbs (2270 kg).

Note: It is possible to lift the hopper or seed box from any

side, but it will only function properly if the seed gate is to the rear of the planter.

15. If mounting a seed hopper, conﬁrm that the hopper is the correct version for that side. The left hopper has the lid hinge on the left. The right hopper has the lid hinge on the right.

16. Slowly lift the full seed box or empty hopper, and place it in the planter air box frame.

17. Install the box retaining pins in frame corners.

18. It may be necessary to make a one-time adjustment to the seal on the top of the air box, to obtain full contact between air box and seed box/hopper.

19. If installing an empty hopper for planting, load seed (and lubricant).

20. Open the slide gate.

Figure 38

Approaching Hopper

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Auxiliary Hydraulics

Refer to Figure 39, Figure 40 and Figure 41

The Planter planter includes, as standard equipment, an auxiliary hydraulic circuit, intended to power a seed auger for loading bulk hoppers.

The Aux quick-disconnect ports are on the frame. This circuit is shared with the markers (if installed).

Note: If markers are not installed, the Aux/Marker circuit

is always in Aux mode.

Operating Auxiliary Hydraulics

The planter needs to be unfolded for convenient access to the manual hydraulic valve.

1. Fold any extended markers and set the tractor lever for the marker/aux circuit to Neutral.

2. If no markers were unfolded, set the Clutch Folding Module Marker/Fold switch to “Marker”.

Figure 39

Auxiliary Hydraulic Ports

27372

3. If the machine has markers, at the left wing tool bar, move the lever on the manual valve from Marker (lever pointing forward) to Aux (lever pointing back).

4. Connect the implement requiring hydraulic power.

5. Brieﬂy Extend the tractor lever for the Marker circuit, engage local valve/switch on implement, and conﬁrm proper implement operation (auger rotation in the correct direction).

6. Set tractor circuit lever to Extend, and operate implement with local controls.

7. When operation is complete, set tractor circuit to Float or Neutral, and set wing valve back to Marker .

5 4

Figure 40

CFM: Auxiliary Operations

Figure 41

Auxiliary Hydraulic Valve

26122

26048

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Marker Operation

Figure 42

Marker Unfolding

Overhead Hazard:

To prevent serious injury or death, do not allow anyone to stand near or beyond the end of the wings during marker operations. Marker arms are heavy and marker discs may be sharp.

If your YP2425A Planter has markers, unfolding of the markers is performed only after unfolding the wings.

The Marker/Aux valve on the left wing must be set to “Marker”. See “Auxiliary Hydraulics” on page 36.

Before operating markers, make sure cylinders are properly bled. See “Bleeding Hydraulics” on page 105.

This section presumes correct marker length for your pass spacing. If this has not been set, or needs to be changed, see “Marker Extension” on page 54

This section presumes correct marker chain slack. If your chain has been replaced, repaired or stretched, adjust the links to the correct slack length. See “Marker Chain Length Adjustment” on page 55.

Dual markers are equipped with an automatic sequence valve that controls which side activates, as well as marker deployment.

Folding speed of dual markers is adjusted via set screws on the sequence valve body. Excessive folding speed may damage markers. See “Dual Marker Speed Adjustment” on page 56.

26042

Electrocution Hazard:

Beware of overhead electrical lines. If the markers get too near to lines, the tractor, raised planter and any cart can become “hot” with no indication. A person standing on the ground and near equipment can complete the circuit. Serious injury or death is likely. At higher voltages electrocution can occur without direct contact.

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Marker Unfold (one side)

Refer to Figure 42 and Figure 44

1. If the Auxiliary Hydraulic circuit has been used recently, conﬁrm that the manual Marker/Aux valve on the left wing is set to “Marker”.

2. On the DICKEY-john®Clutch Folding Module (CFM), set “Marker/Fold” switch to Marker (up). The LED above the switch illuminates steadily for normal operation.

3. Move tractor hydraulic control (lever or switch) for the marker circuit to Extend. Hold until marker is completely unfolded. Do not leave tractor control in detent.

4. If the marker side operating is not the desired side, let it unfold part way, and move the tractor’s circuit control to “Retract”. When the marker is folded, move the circuit control to Extend to activate the other side.

On the CFM, leave the “Marker/Fold” switch in “Marker” during normal ﬁeld operations.

CFM: Marker Operation

One Marker Unfolded

Figure 43

Figure 44

26119

26043

Row Marker Operation

To alternate which side is marked:

1. Move the tractor’s circuit control to fold marker. Hold until marker is folded.

2. Reverse the tractor’s circuit control. Hold until the new side’s marker is fully unfolded.

3. Return tractor control to neutral.

Folding the Markers

If your planter has markers, they must be folded and secured before folding the wings.

1. Move the tractor’s circuit control to Retract. Hold until marker is folded.

2. Set circuit control to neutral.

Machine Damage Risk:

If the marker gauge wheel (at the hinge) is not routinely in ground contact, machine damage can occur.

Verify that the planter is fully lowered, the marker is fully extended, and the marker chain has adequate slack. If only one side is out of contact, check for debris in the outer hinge.

See “Marker Gauge Wheel Adjustment” on page 55.

Unusual Marker Operations

Both Sides Unfolded

With both markers in their cradles:

1. Unfold either side, and when completely deployed…

2. Move lever/switch to Retract momentarily, and return to Extend to deploy other side.

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Electric Clutch Operation

A clutch enables or disables groups of row units. The standard YP2425A planter has three clutches in the seed meter drive system.

The standard clutch system is strictly operator controlled. Monitor control of sections requires the optional Swath Command™ system (page 40).

The switches Left / Center / Right correspond to the left wing row units, center section row units and right wing row units respectively. The data in the table below is normally preset at the factory for your planter conﬁguration.

The Master switch controls all row units, regardless of drive type. For all switches, “OFF” (down) removes power from the clutch, disengaging that set of row units. When any switch (plus Master) is ON, the LED for that switch illuminates steadily.

2 3 4

Clutch Switch Coverage

2 3 4

24-Row (30 in. or 70 cm)

36-Row (20 in. Single)

47-Row (15 in. Single)

48-Row (30 in. Twin)

Left

Rows

1-9 10-15 16-24

1-14 15-22 23-36

1-18 19-29 30-47

1-18 19-30 31-48

Center

Rows

Right

Rows

Electric Clutch Lock-Up

In case of electric clutch failure, an electric clutch can be mechanically engaged.

Refer to Figure 46 and Figure 47

1. Remove the rubber plugs from the oil shield

2. Align the cutouts with the holes . If you observe

3. Insert the M8-1.25x14mm long metric bolts . When

4. Re-install the plugs so they are not lost.

Note: Use only the provided 14mm length bolts. Longer

disc to allow access to the lock-up holes. Plugs simply push out away from the clutch side.

3 4

half the hole obstructed by a metal disc , you are not at a cutout. If the entire hole is obstructed by a metal disc , you are not at a cutout.

at a cutout, the bolt seats with minimal resistance until the bolt head reaches the clutch face.

bolts will damage the clutch. Shorter bolts may not effect a lock-up.

Figure 45

CFM: Clutch Switches

Figure 46

Electric Clutch Lockup

Figure 47

Clutch Plate Nearly at Cutout

26120

29329

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Swath Command™ Clutch Operation

The optional Swath Command™ system replaces the standard 3-section operator-controlled clutches with 12 sections of clutches under seed monitor control. If you have the standard clutches, see “Electric Clutch Operation” on page 39.

The Swath Command™ system automatically turns off rows when the row unit enters a non-planting area (as deﬁned by a pre-loaded prescription), or if the row enters an area already logged as planted during prior passes.

Setup and operation of a factory-installed Swath Command™ system is covered in a separate manual: Swath Command™ Section Control, publication part number 403-857M.

Swath Command™ ordering information is found on page 130.

Figure 48

Swath Command™ Components

34006

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Air System Operation

Figure 49

Yield-Pro® Air System for Air-Pro® Seed Metering

Meter Pressurization System Elements ( shows air direction)

1 7 13

Hydraulic Fan Pressure Sensor Lines Air-Pro® Seed Meter

2 8 14

Split-Air Manifold Pressure Sensor Chamber Row Pressurizing Tubes

3 9 15

Servo-Controlled Vane Feedback Signal Line Row Unit Seed Tube

4 10 16

WSMT Servo Programming Air Box & Seed Manifold IntelliAg® Console

5 11

Priority Meter Pressurization Air Seed Delivery Hose

6 12

Excess Air to Air Box Air Release Screen

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Air System Overview

2 3

12 13

There are console menus for adjustment of metering air, and manual fall-back modes.

In the case of insufﬁcient fan air, or signiﬁcant seed delivery air leaks, seed ﬂow may be irregular or stop.

Meter Pressurization is displayed by a mechanical gauge, and by sensors connected to the seed monitor system. As these sensors measure pressure at similar locations, they generally agree.

If seed delivery air ﬂow is insufﬁcient, the indication will be low seed rate alarms. If fan speed and direction are as recommended, check for air leaks in the seed delivery system.

When the meter inlet is ﬁlled, and seed ﬁlls the tube above the inlet, the screen becomes blocked by seed, shutting off air ﬂow to that meter. As the meter consumes seed, the screen becomes exposed, air resumes ﬂowing, carrying more seed from the air box manifold to the meter.

Several rows have pressure sensor ports for the meter pressurization system. Use of the special blank disk is particularly important when one of these rows is shut off. Running a normal disk with no seed causes the air system to over-compensate.

The hydraulic fan supplies air for both seed delivery and meter operation. Fan rpm is operator-adjusted (page 44) via the tractor’s hydraulic ﬂow control, and reported by the seed monitor system. The rest of the system is fully automatic.

At the split air manifold , a rotary actuator operates a vane, under the control of software in the WSMT , which regulates the air diverted to the meter pressurization system .

Air not used for metering (typically just under half of it) ﬂows to the air box for bulk seed delivery. Air pressure in the seed delivery system is not presently reported. The meter pressurization air has priority, and can take all the air.

Several rows have lines to sample metering air pressure, which is measured in a sensor chamber . The sensor reading is fed back to the WSMT for closed-loop pressure control. No operator adjustment is required for the metering air system.

At the air box , air is mixed with seed from the bulk hopper or PROBOX®, and ﬂows out air box manifold ports into primary seed hoses to the rows. Y-tubes (not shown) may split primary hoses into secondary hoses to rows.

An air release screen above each Air-Pro® meter vents the delivery air. The vent has two functions:

1. It releases delivery air while retaining the delivered seeds.

2. It is a passive control gate for bulk seed delivery.

Note: It takes about a minute to initially ﬁll the meters.

Separate pressurization tubes provide the air to the meters that holds the seed in disk cells until released to the seed tubes .

A detector in each seed tube reports seed passage to the seed monitor system, which reports counts and rates on the console .

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Fan Circuit Operation

See also “Fan and Meter Pressurization Adjustment” on page 59.

Refer to Figure 50

Three hydraulic hoses serve the fan, and must be properly connected for the fan to operate in the correct direction , at recommended speeds, and without damage. See “Hydraulic Hose Hookup” on page 14.

1. Always connect the case drain line ﬁrst.

This line protects the outer shaft seal of the hydraulic motor. The case drain is a small line to the hitch, provisioned with a specialized low-seep ﬂat-face case drain Quick Disconnect. Pressure spikes during motor operation, and pressure cycles due to

temperature change are bled off by the case drain.

Motor Seal Damage Risk:

Do not apply pressure to the case drain line. Do not change the special QD connector. A restricted or sealed case drain line will promptly result in motor seal damage.

2. Connect the motor return line second, to sump.

The planter includes an 11⁄16inch low back-pressure QD coupler set. Install the receptacle on a tractor sump port, and not at a normal remote return port. The unusual size aids in ensuring correct connection, so that the motor return line handles high volume at low back-pressure, ensuring full motor performance.

3. Connect the motor inlet line to a tractor remote

capable of the ﬂow rates shown at “Recommended Initial Fan Speeds” on page 44.

4. The fan hydraulic circuit includes a check valve ,

which provides a relief path for oil at motor shutoff. The resulting low fan rpm provides strong indication reversed connection.

Correct fan direction is shown at .If reversed fan is

suspected, observe it during shutoff, as the direction of motion is easier to see at lower rpms as it slows to a stop (initial startup is virtually instantaneous, making observation at start difﬁcult).

Fan speed is controlled by the tractor circuit (and not the seed monitor). Fan rpm is reported by the seed monitor console.

Figure 50

Hydraulics at Fan

If the fan is connected in reverse, it may not run at all (due to no oil source at the return connection). If oil is present, oil bypass at the check valve prevents the

fan from reaching operating rpms. A reversed fan is incapable of providing sufﬁcient air ﬂow for planting.

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Fan General Operating Information

Use tractor remote hydraulic valve ﬂow control to set fan speed. Always start the fan with a low ﬂow setting.

Monitor fan rpm with the seed monitor.

Gradually bring fan up to the recommended initial rpm. The split-air servo vane engages only above 50 rpm. Do not run the fan over 4300 rpm or under 2500 rpm.

At excessive rpm, too much air ﬂow can cause:

• seed to plug the air box

• seed suspension in a bulk seed box

• unstable split air control

• oil heating

• slow lift times

If the rpm is too low, the split-air system may divert nearly all the air to the meter pressurization, leaving none for seed transport (or just enough to plug low spots in seed hoses).

The monitor console can report meter pressurization. There is also a Magnehelic® air pressure gauge. These two readings should not disagree by more than a few tenths of an inch.

If at suggested fan rpm, desired pressure cannot be reached, chances are the fan is running backwards. If the rpm and meter pressurization readings are correct, but the meters are starved of seed, the fan may be running backwards and the meter pressurization system is taking all the air, leaving little or none for seed delivery. Reverse the inlet/return lines at the hitch.

If air system does not operate suitably with fan speeds between 2500 and 4300 rpm, see “Seed Delivery Troubleshooting” on page 93.

When starting empty you must blow seed out to the meters for two to four minutes to ﬁll meters.

The monitor has a level sensor below the hopper or seed box to warn when seed box is empty. There are three to four acres of seed in the system when the sensor ﬁrst indicates box empty, depending on seeding rate.

To set and adjust the air system, see “Fan and Meter

Pressurization Adjustment” on page 59

Recommended Fan Speeds

YP2425A Seed Hopper* Bulk Box

Initial Fan Speed 3300 rpm 3000 rpm

Oil Consumption 21.2 gpm 19.2 gpm

80 liters/min 73 liters/min

Fan Speed Range 2700 - 4300 rpm 2700 - 3600 rpm

Oil Consumption 17.2 - 27.8 gpm 17.2 - 23.2 gpm

65 - 105 lpm 65 - 88 lpm

* This assumes a 2007+ Great Plains hopper, or older hopper with the vent line update. For an older unvented hopper, use the rpms recommended for ProBox.

Recommended Fan Speeds

Low Population Risk at Turns:

The ﬁgures above do not include oil for lift/lower or oil for marker operation. Aggressive lift/lower operations, and simultaneous lift/marker operations, can reduce fan rpm below that needed to pressurize meter disks. If seed falls out of pockets, low population bands will occur shortly after turns.

Unless the tractor has generous oil ﬂow capacity, raise/fold markers before lift, and lift slowly. Watch manifold pressure and tune operations to keep it at planting levels in turns.

The Seed Rate manual provides initial values for meter pressurization. Normal readings are in the 0.8 inch to

4.0 inch H2O range, and vary considerably with crop.

During “FILL METER”, all air is routed to the air box, and none to the meter pressurization system.

Before the ﬁrst planting each season, or when using new meters or meter wheels for the ﬁrst time, or at the start of each season, before ﬁlling with seed, add

⁄3cup (80 ml) Ezee Glide Plus to bottom of airbox.

Y-Tubes

Refer to Figure 51

Y-tube gates can be shut off to feed only one row for single-row planting on a twin-row machine. In the photograph, the left meter tube is open and the right closed.

You can also shut off the Y-tube gates to clean out the air system and meters. See “Air System Clean-Out” on page 98.

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Figure 51

Seed Y-Tube

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Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 45

Monitor Operation

Monitor operation is described in a separate manual supplied with your YP2425A Planter.

Operations covered in that manual (and therefore not in this manual) include:

• hydraulic drive control

• seed rate calibration

• planting rate

• fertilizer rate

• setting rate limits and detecting out-of-limits

• GPS integration

• fan rpm

Trailer Operations

Great Plains SML-500, SML-735 and SML-1000 semi-mounted fertilizer carts include a 2-point quick hitch for planter connection. Great Plains PFC1600 or PFC2000 fertilizer tank carts require the optional pintle hitch for the planter (see page 123). Hitching/hook-up and operating instructions are found in the tank cart Operator’s Manual.

Uncontrollable Load Hazard:

DO NOT EVER transport the tank cart while hitched to the planter (in train) over roads if there is any liquid in (either) tank. Tank(s) must be empty for transport, or tow the tank separately.

Machine Damage Hazard:

Do not attempt reverse operations with a trailer hitched to the planter. Trailer direction is extremely difﬁcult to control.

The PFC1600 and PFC2000 tanks include a ground-driven pump with an electric clutch. The clutch circuit is controlled by the “Fert.Pump” switch on the Clutch Folding Module. Also, as the pump is ground-driven, it automatically starts and stops with planter movement.

Figure 52

Seed Monitor Console

Figure 53

Tank Cart Hitched to Planter

Figure 54

CFM: Tank Pump Control

29754

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Field Set-Up Checklist

Use the following tables to develop a ﬁnal checklist for your tractor/planter conﬁguration. Additional or fewer steps may be necessary depending on tractor features, planter options and planting accessories.

Electrical Checklist Page

Verify electrical hookups solid 16

Power-up seed monitor terminal and observe any diagnostic messages

Verify Material and Rate, and hydraulic drive and “SPLIT AIR” Channel setup

PDC

QSG PDC

With hydraulic circuits in neutral, check switches and indicator lights on CFM

switch panel. Conﬁrm Master OFF.

Verify, with planter lowered, radar speed sensor is pointed at ground,

approximately 35° below horizontal.

a. Refer to sensor documentation.

Hydraulic Hitching Checklist

Page

Marker/Aux valve to Marker 36

Local bypass off (hydraulic hitch only) 17

Fan case drain to low pressure drain port 15

Fan return line to low pressure return port 15

All other hydraulic circuits connected 15

Check fan directiona and rpm

Check hydraulic drive connection

a. Operate fan brieﬂy and observe rotor blades

spinning toward exit port. Check rpm on seed monitor.

b. Perform a “FILL DISK” operation via the seed

monitor.

Mechanical Checklist Page

Tongue height preset on 3-point 20

Unfold planter 24

Tongue front latch hook engaged 25

Side-to-side level at gauge wheels 21

Marker initial length set 54

Marker disc angle set 54

To complete checklists, you may need to refer to the: SRM: Seed Rate Manual (SRM), PDC: DICKEY-john QSG: DICKEY-john

Planter/Drill Control manuals, or

Quick Start Guide

Air System Checklist Page

Manifold to seed box or hopper seal -

Add seed lubricant to each air box, prior to ﬁrst use, and prior to loading seed

122

Seed loaded 45

No air leaks (except from seed box) -

Hose routings - no sags, no pinches (check wing-folded & ﬁeld positions)

Hoses fully connected to meters and locked

Y-tubes turned on to correct rows 44

Blank disks at unused rows. 80

Shutters set the same on all rows. 76

Start fan. Turn on seed monitor active air control. Watch for split air vane movement or air pressure changes.

PDC

Activate the “FILL METER” function of the monitor. Watch for air vane movement, or watch meter

PDC

pressurization go to zero.

On a new planter, pre-lubricate the air system with Ezee Glide Plus.

Set the meter pressurization target to the recommended value for the crop.

Row Cleaner Checklist

PDC

Page

Check for correct installation of row cleaners on all rows if equipped.

Check that row cleaners do not catch on hydraulic hoses.

Carefully watch when folding and unfolding planter the ﬁrst time to ensure clearance of row cleaners.

Frame Mounted Options Checklist Page

Row cleaner depth setting 70

Coulter depth and alignment 71

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Row Units Checklist Page

Preset depth handles to 7 holes showing above “T”

Preset down force springs to ﬁrst notch (lightest) setting for most conditions, 2nd notch otherwise)

Set all unit-mounted coulters to1⁄4inch shallower than opener blades.

Check coulter alignment to row 72

Check closing wheel alignment 85

Set closing wheels to ﬁrst notch (light setting)

Check action and contact of side depth wheels

Gauge wheel scraper gap (if installed) 75

Treatments (Options) Checklist Page

Conﬁrm Clutch Folding Module “Fert.Pump” switch OFF

Check tractor-mounted components

Ground drive wheel, chain

PFC2000 or PFC1600: Execute Tank Cart Checklist

Check for correct oriﬁce plates

Fill system with 100 gallons of water, and check for leaks

Check all row unit lines are connected, free of kinks, and discharge tube/ nozzles are clear

Inlet and hose valves open

SmartBox system loaded, powered up

a. Check supplier manual for tanks and pump.

Check fertilizer section of monitor manual. b. See PFC2000/PFC1600 Manual. c. Check Seed Rate manual, and manual for

fertilizer pump system.

Hydraulic System Checklist Page

Check tractor hydraulic reservoir full -

Inspect connections for leaks -

Perform a raise and lower operation 26

Set Clutch Folding Module switch “Marker/Fold” to “Marker”

Hydraulic Planter Drive Checklist Page

Check chain lubrication and slack 109

Input initial values for desired

population

Calibrate radar speed sensor pulses with planter lowered.

151

Lubricate slider joints on drive shafts 114

Check clutch operation 39

a. Refer to seed monitor manual and Seed Rate

manual.

Meters Checklist Page

Correct disks for seed

Seed inlet shutters set

Corn? Check timing of meters for twin-row

Check chain tension

Initial meter pressurization set 44

a. Refer to Seed Rate manual.

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Field Operation

Perform all steps in “Pre-Start Checklist” on page 23 and “Field Set-Up Checklist” on page 46.

First Pass Operation Checklist Page

1. Raise planter and line up at start of ﬁrst planting row

2. Set tractor 3-point hitch to “depth control” operation (and not load control)

3. Unfold marker on next-row side. 38

4. Set fan hydraulic circuit to low ﬂow, engage circuit. Gradually adjust hydraulic ﬂow to recommended rpm.

5. Engage hydraulic drive via seed monitor. Refer to seed monitor manual.

6. If planter has a fertilizer system integrated with the DICKEY-john®seed monitor, set the “Fert.Pump” switch on the Clutch Folding Module to ON.

7. In the CLUTCH cluster of the Clutch Folding Module, set all switches, including Master, to ON.

8. Pull forward, lower planter, and begin planting for a short distance.

9. Stop. Assess:

• planting depth

• seed spacing

• press wheel operation

• fertilizer application (if in use)

10. Make necessary adjustments 50

Note: Use Depth Control mode. If tractor 3-point hitch

control is set for Load Control, hitch movement may cause changes in row unit depth resulting in uneven depth control.

Figure 55

Clutch Folding Module: Planting

Conﬁguration

Skip and Double Checks

A. Dig up seed (or plant shallow with press wheel tied

up). Check seed spacing against charts.

B. With meters still charged with air, carefully inspect

disks at several rows.

Inspect the arc from just after the top tuft brush to the bottom edge of the seed drop brush. Look for cells (seed pockets) having no seed, or more than one seed. You may need a ﬂashlight to perform this inspection.

29768

Sharp Field Turns Checklist Page

1. Fold marker 38

2. Raise planter 26

3. Make turn

4. Lower planter 26

5. Unfold marker on next-row side. 38

6. Resume planting.

401-626M Table of Contents Index 2014-02-10

Suspending Planting Checklist Page

1. Stop tractor

2. Fan hydraulic circuit to Float or Neutral 44

3. Raise planter 26

4. Fold Marker 38

Ending Planting Checklist Page

1. Suspend operations as above, then

2. Install lift locks 30

3. Lights ON -

4. Transport Transp ort

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 49

Short-Term Parking

1. Fold markers. See “Folding the Markers” on page 38.

2. Choose a location with level ﬁrm ground. Do not unhitch on a slope.

3. Raise the planter.See “Raising Planter” on page 27.

4. Fold the planter (optional). See “Folding the YP2425A Planter” on page 28.

5. Block tires.

6. Re-install the parking stand (“Hitching Tractor to

Planter” on page 14).

3 Point Hitch Parking

Refer to Figure 56 (shown without tractor for clarity)

7. For the standard 3-point hitch, deploy the two forward stands . Remove the inner pin , swing the stand out, down and vertical around the bottom pin , and re-insert the pin at .

2 1

3 4

Roll-Away Hazard:

DO NOT unhitch planter while on a steep slope. Always block tires when unhitching from tractor. There is not enough weight on parking stand(s) to anchor planter on a slope.

Hydraulic Tongue Hitch Parking

Refer to Figure 57

8. Remove pins holding main parking stand in storage bracket. Remove stand from storage.

9. Use 3-point hitch or tongue cylinder to lift planter high enough to align holes in stand with holes in tongue. Insert locking pin in parking stand. Secure stand with pins.

10. If ground is soft, place a thick board under the stand.

11. Use 3-point hitch or tongue cylinder to lower planter onto parking stand.

12. Hydraulic hitch only: Use tongue cylinder to lift tongue off tractor draw bar.

5 6

Either Hitch Parking

13. Set all implement hydraulic circuits to Float to relieve pressure in lines.

14. Shut down hydraulics. Unplug hydraulic lines from tractor. Do not allow hose ends to rest on the ground.

15. Unplug planter light cable from tractor.

16. Unplug monitor harness from console.

17. 3-point: Unhook tractor from planter hitch.

18. Pull tractor away.

Figure 56

Deploying 3-Point Stands

Figure 57

Parking Stand

26034

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Long-Term Storage

Complete Parking steps (page 49) ﬁrst.

Store the YP2425A Planter indoors if possible. Great Plains recommends parking/storing in the raised conﬁguration, folded, on the parking stands and with all lift cylinder locks installed.

1. Empty hopper (page 98).

Refer to Figure 58

2. Close the seed box or hopper clean-out door. Clean out the air system (page 98).

3. Remove hopper or seed box (page 34).

4. Cover and seal off the opening at the top of the air box. Leave clean-out door slightly ajar to allow any condensed moisture to drain off.

5. Remove seed disks from meters (this is primarily to relieve pressure on brushes). Clean disks of residue build-up (see Caution at right). Use mild soap, non-abrasive scrubbers, and hot or warm water. If using sealed storage, dry disks prior to storage.

6. Close seed inlet shutters at meters (to prevent pest entry to seed hoses). Thoroughly clean seed and seed treatment residue from seed meters. See “Meter Clean-Out” on page 99, for more information.

7. Apply grease to exposed cylinder rods to prevent rust.

8. Unscrew caps on end of fertilizer booms and ﬂush fertilizer lines (if present). Flush system with RV anti-freeze if there is any chance of freezing prior to next implement use.

9. Empty and clean fertilizer strainers.

10. Lubricate all points listed in Maintenance to prevent rust.

11. Clean planter of mud, dirt, excess oil and grease.

12. Inspect planter for worn or damaged parts. Make repairs and service during off season.

13. Use spray paint to cover scratches, chips, and worn areas on the planter to protect the metal.

14. Cover planter with a tarp if stored outside.

Figure 58

Airbox Inlet Sealed,

Clean-Out Closed

Note: Removing the seed boxes/hoppers increases the

life of the air box seals, which are otherwise apt to be permanently compressed if stored under load off-season.

Note: Do not store optional bulk hopper outside on the

ground. Raise it on blocks, securing it in place to prevent from falling over or blowing around by wind. Store inside if possible.

Possible Chemical Hazard:

Seed disks will have talc and graphite residue, and may have residues of hazardous seed treatments. Do not wash disks where food is prepared, or where cookware or dinnerware is washed. Wear gloves when washing disks. Avoid spray. Although the disks are dishwasher-safe, do not wash them in an appliance also used for food cookware or dinnerware.

29771

Storage: Fertilizer Option

The pump, strainer and manifold system require special attention prior to storage. See “Fertilizer System Maintenance” on page 111.

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Adjustments

To get full performance from your YP2425A Planter, you need an understanding of all component operations. Many provide adjustments for optimal ﬁeld results. Some adjustments were covered earlier in this manual.

Even if your planting conditions rarely change, some of these items need periodic adjustment due to normal wear.

Adjustment Page The Adjustment Affects

Tongue Height 19 Correct draft load to tractor

Frame height 21 Planting depth consistency

Frame level 21 Planting consistency

Height Switch Adjustment 56 Correct off/on state of meter drive

Wing Leveling 22 Planting consistency

Clutch Lock-Up 39 Temporary operation with a failed clutch

Air System 41

Fan Speed 44 Optimal seed distribution

Meter Pressurization (values from SRMa) 59 Consistent seed ﬂow and disk singulation

Planting Rate SRMaRefer to Seed Rate manual

Marker Adjustments

Marker Width 53 Intended swath spacing

Marker Chain Length Adjustment 54 Marker folding operation

Dual Marker Speed Adjustment 55 Reliable marker operation

Fertilizer Setup (option) 60 Seed germination and growth

Fertilizer Oriﬁces (option) SRMaRefer to YP2425A Planter Seed Rate manual

Frame-Mounted Row Accessories 63

Terra-Tine Row Cleaners 63 Row preparation

Coulters 64 Row pre-furrow depth and trash cutting

Vantage I Fertilizer Delivery 64 Fertilizer placement

25AP Series Row Unit Adjustments 65

Row Unit Lock-Up 79 Single/twin-row operation

Row Unit Down Pressure 66 Planting depth uniformity

Row Cleaner Adjustments (Option) 68 Row preparation

Coulter Adjustments (Option) 69 Row pre-furrow depth

Row-Unit Opener Adjustments 71 Seed depth, spacing, coverage

Side Depth Wheels 72 Seed depth

Adjusting Gauge Wheel Scrapers 73 Consistent seed furrow depth

Seed Meter Setup and Adjustment 74 Consistent seed population

Seed Firmer Adjustments (Option) 80 Seed-soil contact

Press Wheel Adjustment 81 Effective soil coverage

Row-Pro™ Adjustment 156 Consistent planting depth

Monitor Adjustments PDC Refer to DICKEY-john® Planter/Drill Control manuals

a. SRM: Seed Rate Manual (401-626B)

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Setting Material Rates

Planting Rate

Adjusting the planting rate requires the following:

1. Monitor conﬁguration: The seed monitor must be set up with the correct row count, row spacing and disk cell count. See the Seed Rate Manual (SRM) and the DICKEY-john Planter/Drill Control (PDC).

2. Preparing rows: Correct seed disk selection and Y-tube settings are required for correct rate. Meter shutter setting and meter pressurization adjustments assure the rate. See the SRM.

3. Ground speed calibration: Seed monitor rate control and reporting is only as accurate as the speed reported by the radar. See the PDC manual.

4. Setting seed rate via seed monitor: See the SRM and the PDC manuals.

5. Checking planting rate: Although the seed monitor reports a computed population based on seeds sensed, only an actual furrow check provides certainty about the actual seeding rate. See the SRM.

Figure 59

Seed Monitor Rate Screen

29772

Fertilizer Rate

See page 62 for further detail. The following is a brief summary of steps:

1. Pump setting dial and sprockets.

2. Row oriﬁce setup.

3. Relief valve setting.

4. Strainer setup.

Figure 60

CDS-John Blue® Fertilizer Pump

26155

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Gauge/Transport Wheel Adjustments

The gauge/transport wheels serve two functions:

Refer to Figure 61

1. When the planter is lowered, the wheels establish the heights of their respective sections, nominally a tool bar height of 26 inches (66 cm) above the planting surface.

The main and trailing wheels are not adjustable in height.

The wing gauge wheels may be slightly raised or lowered by adjusting a nut on the cylinder rod. See “Wing Leveling, Inboard End” on page 21.

2. When the planter is raised, all of these are the transport wheels. The main wheels are rigid, and aid steering. The trailing wheels are full castering.

The gauge wheels are usually adjusted only to bring all sections to level.

1 2

Marker Adjustments

There are ﬁve adjustments and one maintenance item for markers:

• Disk Angle (page 54)

Even if your row spacing rarely changes, you may need to adjust disk angle for soil conditions and planting speed.

• Marker Extension (page 54)

Once set for a speciﬁc row spacing, this only needs periodic checking to ensure the clamp is secure.

• Marker Support Wheels (page 55)

Three bolt holes are available for adjusting height.

• Chain Length (page 55)

This needs to be set if the chain is replaced. It may also need adjustment for unusual terrain.

• Marker Speed (page 56)

Once initially set by your dealer, this rarely needs modiﬁcation.

• Shear Bolt Replacement (page 107)

If a marker hangs up on an obstruction, a bolt at the fold is designed to fail.

Figure 61

Gauge Wheels

Crushing and Sharp Object Hazards:

Never allow anyone near the planter when folding or unfolding the markers. You may be injured if hit by a folding or unfolding marker. Markers may fall quickly and unexpectedly if the hydraulics fail.

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Marker Disk Adjustment

Sharp Object Hazard:

Use caution when making adjustments in this area. Marker disks may be sharp.

Refer to Figure 62

1. To change angle of cut, and the width of the mark, loosen1⁄2inch bolts holding the disk assembly.

For a wider mark , increase the angle of the marker with respect to the tube . For a narrower

mark , reduce the angle.

Note: Do not set a marker angle wider than need to make

a useful mark. Excess angle increases wear on all marker components.

2. Tighten bolts .

Note: The direction of travel tends to drive the disk

angle to Wide. If bolts are not tight enough, or loosen over time, the disk will slip into the Wide mark conﬁguration.

Marker Extension

Marker width needs to be adjusted once for the initial YP2425A Planter setup, and later only if changing row spacing (including locking up row units for single-row operation on a twin-capable planter).

1. Move the planter to a location where both markers may be safely unfolded. Unfold the planter. Lower the planter. Unfold one marker.

2. Find the suggested initial marker Extension in the following table. Extension distance is the same for both planter sides unless otherwise noted.

Refer to Figure 63 and Figure 64

3. Measure out the Extension distance from the

center-line of each outside end row unit (or row unit in use for twin-row in lock-up). Do not measure to center of row pair.

4. Mark the ground at this point.

5. To adjust marker width, loosen nuts on U-bolts . Move marker disk tube in or out to get the proper adjustment. Tighten nuts .

1 2

6. Repeat step 3 through step 5 for the other side.

7. With the planter still lowered, drive forward a few feet for each side.

8. Check the mark locations. Adjust to obtain the table value.

Figure 62

Marker Disk Angle

Figure 63

Marker Extension

Row Spacing Marker Extension

15 inch Single 360 inch (914 cm) 20 inch Single 370 inch (940 cm)

70 cm Single 945 cm (372 inch)

30 inch Single 375 inch (952.5 cm)

30 inch Twin-Row 371 inch (942 cm)

30 inch Twin,

rear units locked-up

371 inch Left Side (942 cm)

379 inch Right Side (963 cm)

Figure 64

Marker Extension Adjustment

11757

26054

26055

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Marker Gauge Wheel Adjustment

Refer to Figure 65

The purpose of the marker support wheel is to carry the weight of the inner section of the marker arm.

If the wheel is not touching the ground, or is often off the ground during marker operations, remove the bolts and move the wheel to a lower hole.

If the marker disc is frequently off the ground, the support wheel mount may need to be moved to a higher set of holes.

Marker Chain Length Adjustment

Great Plains suggests checking marker chain slack every few years. If any maintenance or repairs cause the chain to be disconnected, correct slack needs to be set on reinstallation.

Perform any checks and adjustments with the marker folded and tilted down into its cradle.

Refer to Figure 66

Lift the free end of the lift arm weldment until horizontal. Re-attach chain so that it is taut.

Ideally, the unfolding marker reaches the ground 2-3 feet (60-90 cm) before the marker is completely unfolded.

Equipment Damage/Marker Failure Risks:

Set correct chain length. A chain length too long can result in excess loads on the marker and nuisance shears, due to striking the ground too early during unfolding. An under-length chain can also prevent the marker from fully resting in the cradle when folded. A chain too short can result in unsatisfactory marker operations, including loss of ground contact on uneven terrain.

Figure 65

Marker Gauge Wheel

Figure 66

Marker Chain Slack

29516

26057

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Dual Marker Speed Adjustment

Crushing and Sharp Object Hazards:

Refer to Figure 67 and Figure 68

Adjust folding speed for dual markers with hex adjustment screws on the sequence valve body. The valve sequence body is located on top of the left wing frame.

Loosen jam nuts before making adjustments.

There is one adjustment screw for unfolding speed and one for folding speed . You can identify adjustment screws by markings stamped in valve body.

Turn adjustment screws clockwise ( : slower) to decrease [un]folding speed and counterclockwise

( : faster) to increase [un]folding speed.

With tractor idling at a normal operating speed, adjust marker folding to a safe speed. Excessive [un]folding speed could damage markers and void the warranty.

After adjusting the folding speed, tighten jam nuts on hex adjustment screws to hold settings.

Figure 67

Marker Sequence Valve Location

26058

Figure 68

Marker Speed Adjustment

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Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 57

Height Switch Adjustment

serial number B1030G+

Refer to Figure 69

The YP2425A Planter includes a sensing switch that signals the seed monitor (and activates the optional hydraulic meter drive), when the planter is lowered for planting. The switch is located at the rear cross tube on the planter’s left side.

Although factory-preset for typical planting conditions, Great Plains recommends adjusting this switch for your exact ﬁeld conditions and planting depth.

Crushing Hazard:

Exercise extreme caution when adjusting the switch.

1. Lower the planter to the height at which seed delivery is to begin.

2. Loosen bolt holding switch bracket to plate .

3. Move bracket forward or rearward so that switch toggle arm makes contact with rear cross tube .

4. Tighten nuts.

Note: Switch is in “Neutral” position when planting.

Switch is “Activated” when raised.

2 3 4

5 6

Figure 69

Height Switch Location s/n B1030G+

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Height Switch Adjustment

serial number B1029G-

Refer to Figure 70

The YP2425A Planter includes a sensing switch that signals the seed monitor and activates the hydraulic meter drive, when the planter is lowered for planting.

Although factory-preset for typical planting conditions, Great Plains recommends adjusting this switch for your exact ﬁeld conditions and planting depth. Check the switch seasonally thereafter, or when planting conditions change. Also perform this adjustment if the switch is replaced or dislodged.

The switch is located on the outside of the forward end of the right link arm at the center section tool bar.

Note: Switch is in neutral position when planting. Switch

is “activated” when raised.

Refer to Figure 71

1. Lower the planter to the height at which seed delivery is to begin.

2. Loosen U-bolt holding switch bracket to link.

3. Move bracket forward or rearward so that switch toggle arm makes contact with tool bar .

4. Move switch/bracket forward1⁄2inch (13 mm) Tighten nuts.

2 3

4 5

Figure 70

Height Switch Location s/n B1029G-

26123

Figure 71

Height Switch Adjustments

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Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 59

Fan and Meter Pressurization Adjustment

1. These steps presume that correct seed disks are installed (Seed Rate Charts), and the seed inlet shutters are set for the seed (page 76).

2. With fan off, check meter pressurization reported by seed monitor. Re-zero as needed (see Seed Monitor manual).

3. Determine recommended fan rpm based on your own notes in the Seed Rate Charts, or the table on page 44.

4. Determine the recommended meter pressurization based on your own notes or the published value in the Seed Rate Charts.

5. Start the fan. Gradually increase fan rpm using the tractor’s hydraulic ﬂow control for the circuit. Adjust to the developed or suggested value from step 3.

6. Check that at least a small amount of pressure is being sensed at the meters and meter pressurization is near suggested value.

7. Perform a “FILL METER” operation for at least one minute (see DICKEY-john®Planter/Drill Control user level 1 manual).

8. Check for meter ﬁll: With fan running, put the tractor in Park and set the brakes. Walk behind the wings, remove several rain covers, and check for seed in meters by looking through the clear disks. Rows to check are those with longer hoses or sharper hose bends.

9. Fill the disk pockets with seed: Run a “FILL DISK” operation.

10. Check control air system pressure. With meters and disks ﬁlled, meter pressurization should be at target value.

11. Begin planting. Troubleshoot any obvious problems or alarms.

The meter pressurization system cannot reach full operating pressure when the hoses, meters and disks are completely empty. Low initial pressures are normal.

If a meter runs completely out of seed (“starved”), back-pressure to the air box manifold may prevent prompt reﬁll. To ﬁll a starved meter, close the seed inlet shutter for about 15 seconds, then restore it to the original setting.

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12. During the ﬁrst pass, take note of the average populations reported on the seed monitor.

Typical Location: Item:

Screen 1, ﬁrst row

Average Overall Population

above graphs

If the reported population varies from your intentions by a signiﬁcant amount, it is imperative to perform a furrow check. For serious rate variances, for which the source of the problem and the solution are not quickly determined, see “Population Troubleshooting Charts” on page 88.

If population is only slightly low, the problem can be skips (periodic empty disk pockets). If slightly high, the problem can be doubles (pockets with double seed). An adjustment to the meter pressurization may correct either condition (see step 14).

13. Resume planting. During the next pass, note the following two readouts on the seed monitor:

Typical Location: Item:

Screen 1, 2nd row

Minimum Row Population

above graphs

Screen 1, 3rd row

Maximum Row Population

above graphs

Small seeds, such as Milo, may be under-reported. Use the “Alternate Skip/Double Check” below to verify seed status at the disc pockets.

Furrow Check:

Expose several seeds in each of several rows, being careful not to disturb their relative positions. Measure and average the distance between seeds. Compare this to the predicted seed spacing for the population in the Seed Rate manual.

Any instances of no seed where expected may be a sign of “skips”. Finding two seeds at the same spot is clear indication of “doubles”

A small varying population deviation between rows is normal; however, if a row is consistently running lower or higher than the other rows, it could indicate a meter or seed sensor problem that needs attention. “Population Troubleshooting Charts” on page 88.

14. Skips: If all else is correct, and the overall average population is running low (or there are gaps upon furrow check), the cause may be seeds falling out of disk pockets before delivery to the seed tube. Increase meter pressurization to correct this. You can adjust pressurization with the planter in motion.

Press the “SPLITAIR +” softkey on the seed monitor console. Wait 5 to 10 seconds for the system to update, while you continue planting. Continue making small increase adjustments until the reported population levels out at the target value.

15. Doubles: If all else is correct, and the overall average population is running high (or there are double seeds upon furrow check), the cause may be two seeds in some disk pockets at delivery to the seed tube. Decrease meter pressurization to correct this. You can adjust pressurization with the planter in motion.

Press the “SPLIT AIR -” softkey on the seed monitor console. Wait 5 to 10 seconds for the system to update, while you continue planting. Continue making small decrease adjustments until the reported population levels out at the target value.

Insufﬁcient meter pressurization, or unusually rough ﬁelds, can increase the incidence of empty pockets. Be sure to rule out other causes (such as skipping chains, meter starvation, incorrect meter disks) before adjusting meter pressurization to reduce apparent skips.

The suggested increment of change is two presses of the “SPLIT AIR” softkey, at the factory default value for change increments.

Excess meter pressurization can increase the incidence of doubles. Be sure to rule out other causes (such as incorrect meter disks) before adjusting meter pressurization to reduce doubles.

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Fine-Tuning Meter Pressurization

After several passes, and you are comfortable with the planter’s operation, you can optimize meter pressurization. Use this method during longer passes, so there are fewer distractions (and see sidebar regarding Milo).

16. Observe the current overall average population reported by the monitor.

17. Adjust the meter pressurization down, in discrete steps, waiting 5-10 seconds between adjustments, until skips occur (actual population begins falling below target). Note the pressure at which skips begin.

18. Restore pressure to the initial value at step 16.

19. Adjust the meter pressurization up, by periodic small increments, until doubles occur (actual population begins rising above target). Note the pressure at which doubles begin.

Note: If unable to adjust up to doubles (or skips happen

instead), seed delivery is probably being starved of air. Increase fan rpm and repeat limit search.

20. Adjust meter pressurization to a value halfway between the limits established at step 17 and step 19. This is the ideal value for your crop, disk and population, providing equal margin against skips and doubles. Record this value for future use.

Alternate Skip/Double Check

Small seeds, particularly Milo, are less reliably sensed as skips or doubles by the seed tube sensors, and watching monitor population is unlikely to locate the pressure limits. This test can also be quicker for all seeds.

A. After planting a few passes with initial settings,

remove the rain covers from several rows (use rows with a variety of seed hose lengths and routes).

B. Make a meter pressurization adjustment. Resume

planting for a pass or less.

C. Stop planter motion but leave fan running.

D. Inspect the seed disks closely. Look for empty seed

cells (skips) and cells with multiple seeds (doubles).

E. Repeat step B-step D until limits are established.

Record limits. Re-install rain covers. Plant with median settings.

Seed Delivery Fan Adjustments

Refer to Figure 72

The primary control for seed delivery air is fan rpm. The servo vane (not shown), under the control of the split air system, takes whatever is needed to maintain meter pressurization (the bottom three manifold outlets ). Remaining air is sent to the top outlets for seed delivery.

There are two butterﬂy valves at the top fan outlets: left air box , and right air box . The recommended butterﬂy valve setting is 0°. Recommended initial fan speed depends on planter conﬁguration. See page 44.

Adjust the basic fan rate with the tractor hydraulic system and the fan rpm display of the seed monitor. Do not run at speeds over 4000 rpm or speeds under 2000 rpm.

Seed Delivery Butterﬂy Valves

These valves are factory pre-set to the suggested 0° (wide open).

Unusual situations can cause an imbalance of seed ﬂow between left and rights side of the planter, such as dissimilar bulk seed boxes on each side.

If meters on one side of the planter are being starved of seed, ﬁrst try increasing the fan rpm. If the fan rpm is already high, or increasing it causes other problems, use the valves.

2 3

Figure 72

Fan Butterﬂy Valves

In these cases, use one butterﬂy valve to reduce the air ﬂow to one air box. Leave the valve on the other side at zero.

Set the valve on the high-ﬂow side. Start with a setting in the 20-30° range. Re-prime all meters (page 88). make further valve adjustments until you achieve a balanced airﬂow.

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Fertilizer Setup

Fertilizer distribution systemsa are optional on the YP2425A Planter and are optimized for use with the Great Plains PFC2000 tank.

If installed, there are several points of fertilizer setup and/or adjustment:

1. Pump setting dial or sprockets Basic pumping rate is adjusted at pumps.

For a cart-mounted pump and newer wing ground-drive pumps, a dial on the pump sets rate.

For prior wing ground-drive pumps, sprocket selection sets rate.

Refer to the Seed Rate manual and the tank cart Operator’s manual.

2. Row oriﬁce setup Oriﬁce plate sizes are chosen to assure consistent pressure at all nozzles. Refer to the Seed Rate manual.

3. Relief valve setting See “Fertilizer Relief Valve” on page 64.

4. Inlets Both Type 2 (2-section, single inlet) and Type 3 (3-section, 3-inlet) systems have quick-connect inlets and shutoff valves at the back of the planter. See page 19 for hook-up details.

5. Strainer setup The optional ground drive pumps include a strainer. The mesh screen size must be compatible with the oriﬁce plates in the distribution system. Refer to the Seed Rate manual.

Great Plains recommends checking with your local agronomist as soil conditions vary. Soil conditions in your area may need less or more fertilizer than represented in these charts. In furrow, do not exceed 12 gallons per acre in any case.

The liquid fertilizer system is designed to operate (ideally) between 15 and 40 psi, but in no case more than 65 psi. Several system elements affect system pressure, and need initial setup, periodic maintenance, and adjustment when changing seed rates.

Agricultural Chemical Hazard:

Wear proper protective equipment as required by chemical manufacturer. Avoid prolonged breathing of chemical fumes. Wear respirator as required by chemical manufacturer. Some chemicals will cause serious burns, lung damage, and death. Avoid contact with skin or eyes. Seek medical assistance immediately if accident occurs. Know what to do in case of accident.

a. Type 2, Type 3, or both, with or without planter-mounted ground drive pumps for Type 2. See page 19 for details.

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CDS-John Blue® Ground Drive Pump

Refer to Figure 73

With newer Type 2 fertilizer systems, the pumps are driven by a ground contact wheel . Fertilizer rate is

independent of seed rate. Fertilizer coarse rate is set by a driving sprocket on the ground drive assembly, and ﬁne rate is adjusted at the setting hub (dial) on the

pump.

Equipment Damage/Material Loss Risks:

If planting without fertilizing, the pump must not be allowed to run dry. Disconnect the chain or remove a sprocket. The ground drive contact wheel and chain system operates whenever the planter is lowered and in motion.

Note: When a Type 3 fertilizer system is installed, the

pump is mounted at the source (not on the planter), usually on a tank cart.

For sprocket and dial settings, refer to the Seed Rate manual.

Liquid Fertilizer Strainer(s)

The optional ground drive fertilizer pump systems include a strainer at each pump. The Type 3 system relies on strainers at the source, usually on a tank cart.

The strainer(s) are delivered with a mesh screen. You need to check that each screen is an appropriate size for the oriﬁce plates you plan to use.

If changing screen sizes, keep in mind the following:

• Generally, select a mesh screen the same or slightly smaller than the oriﬁce size.

• A substantially smaller mesh (e.g. 100) will reduce manifold oriﬁce plates plugging so often, but the strainer screen will have to be cleaned more often.

• A much larger mesh (e.g. 50 or 30) will pass more material but should only be considered when using large manifold oriﬁce plates.

• A plugged or partially plugged screen will starve the pump and will result in a reduced application rate.

Figure 73

CDS-John Blue® Pump

Sprocket and Dial

Figure 74

Strainer

28416

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Fertilizer Relief Valve

Refer to Figure 75

When a “Type 2” fertilizer system is installed, a relief

1 2

valve and pressure gauge are mounted at each ground drive pump. The relief valve protects the manifold, lines and ﬁttings from excessive pressure. Any product that dumps over the relief valve will discharge from the dump line in relative safety.

To set relief valve:

1. Unlock plastic jam nut from relief valve knob.

2. Unscrew knob clockwise (looking down) until it

loses contact with internal spring.

3. Screw knob counterclockwise two turns.

Start at this setting.

4. Observe manifold gauge and watch for relief valve dump line discharge while operating in the ﬁeld.

5. If valve is dumping product and gauge reads under 65 psi, stop tractor and turn knob clockwise

⁄4turn. Continue operating at normal ﬁeld speed.

Repeat this step as needed until no product is discharged from relief valve dump line .

6. If the pressure gauge reads above 65 psi, change to a larger oriﬁce. Go to step 2 and repeat.

Figure 75

Fertilizer Relief Valve

25164

Fertilizer Oriﬁce Plates

Refer to Figure 76

In general, the oriﬁce needs to be small enough to create at least 15 psi of pressure in the manifold but large enough to prevent the manifold pressure from exceeding 65 psi.

The minimum pressure is required to even out the ﬂow of fertilizer between rows. To reduce oriﬁce plugging and pump wear, use the largest oriﬁce practical for your fertilizer application rate. Alternate oriﬁce plates are listed in the Seed Rate manual.

The best pressure range to maintain is 20-40 psi to ensure optimum distribution while minimizing leakage. Built-in check valves at the row units prevent ﬂow below 15 psi.

The Seed Rate Chart book for this planter (manual part number 401-626B) contains a table of oriﬁce sizes in gallons per acre.

System Damage/Uneven Application Risks:

Select oriﬁce plates to balance ﬂow. Sizes too small can result in system rupture. Sizes too large can result in unbalanced ﬂow. Oriﬁce plates do not set fertilizer rate. Rate is set at the pump. Plates only create back-pressure to balance ﬂow.

Agricultural Chemical Hazard:

Wear protective gloves when changing oriﬁce plates.

Figure 76

Fertilizer Oriﬁce Plate

29984

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Frame-Mounted Row Accessories

Terra-Tine™ Adjustments

Refer to Figure 77 through Figure 79

Note: All adjustments must be made with the planter in

the fully raised position.

Equipment Damage Risk:

Be sure to check that the Terra-Tine Row Cleaner tines DO NOT touch the coulter blade or any other attachments. Such contacts will cause excess wear to all parts involved. At least

⁄2in (13mm) clearance is recommended.

1. When the blade is out of the soil, adjust the Terra-Tine lock collar height to set the height of tine ﬁngers ﬂush with the bottom of coulter blade.

2. For side-to-side alignment, rotate the shank mount around the vertical shaft and retighten the square head set screw (set screws not visible in twin-row illustration).

3. If tines are found to be rolling over, rather than moving trash, spring tension can be increased. See the Terra-Tine manual for details.

Using Terra-Tines with Coulters

Refer to Figure 77 and Figure 78

Tines may be set ahead of, behind , and to the

8 9

right or left of frame-mounted coulters.

4. Fore-to-aft adjustment is accomplished by adding or removing the extension arm to place the Terra-Tine Row Cleaner to either side of the coulter hub depending on the desired position or clearance between other attachments. Testing has shown better performance behind the hub, but available space may dictate the mounting position.

6 7

Figure 77

Terra-Tine Twin-Arm and

Single-Arm with Extension

26060 26061

Figure 78

Terra-Tine / Coulter Hub Positioning

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Frame-Mounted Coulter Adjustments

Refer to Figure 79

Frame-mounted coulters may be run on-row or between rows.

On-Row

If run on-row, or within 2in (5.1cm) of the furrow, adjust the shaft to set the coulter depth to be the planting depth or

Between Row (or Off-Row at least 2in)

At the shaft , adjust the coulter depth for a running depth of 4 to 41⁄2inch (10.1-11.4 cm) below ground level . Refer to the Vantage I manual (204-376M) for further adjustments.

Do not adjust the spring tension. It is factory pre-set.

1 2

⁄4inch (6 mm) shallower.

Vantage I Fertilizer Adjustments

Refer to Figure 80

At the back plate , adjust the tine height for a running depth of 1in (2.5cm) below ground level . Refer to the Vantage I manual (204-376M) for further adjustments.

2 3

Figure 79

Frame-Mount Coulter

Figure 80

Vantage I Applicator

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25 Series Row Unit Adjustments

Refer to Figure 81 (which depicts a row unit populated with most optional accessories supported for use with the YP2425A planter)

From front to back, a Great Plains 25 Series row unit can include the following capabilities (some optional):

1. Lock-Up Pin Storage Hole (Hole Standard) See “Row Unit Shut-Off” on page 79.

2. Down-Pressure Cam (Standard) Row units are mounted on parallel arms. This parallel-action mounting allows the row-unit to move up and down while staying horizontal. Springs add an adjustable force, set by the cam, to the row weight. See “Row Unit Down Pressure” on page 68.

3. Meter Pressurization Air Inlet (Standard) Pressure-regulated air enters the meter here and holds seed in the disk pockets. See “Fan and Meter Pressurization Adjustment” on page 59.

4. Seed Delivery Hose Inlet (Standard) Air carrying the bulk seed is vented at the bottom of the air release cone. Gravity then carries the seed into the meter at the shutter . The hose is easily removed for inspection. There are no adjustments.

5. Air-Pro See “Air-Pro® Meter Disk Installation” on page 78.

6. Seed Inlet Shutter (Standard) This controls the level of bulk seed at the disk. There are four operating settings, plus fully open (clean-out) and fully closed (shut-off or storage). See “Seed Inlet Shutter Adjustment” on page 76.

7. Side Gauge Wheel Depth (Standard) The T-handle sets planting depth by controlling the height of the side gauge wheels relative to the opener discs. See “Side Gauge Wheel Adjustment” on page 74.

8. Press Wheel Force, Angle, Stagger (Standard) The press wheels close the furrow, gently pressing the soil over the seed to ensure good seed to soil contact for even emergence. See “Press Wheel Adjustment” on page 84.

9. Row Unit Lock-Up Hole (Hole Standard) Pins are standard on some models. With the row unit raised above level, the lock-up pin is inserted here. See “Row Unit Shut-Off” on page 79.

10. Row Cleaner (Option) Row cleaners clear trash from the row, to a depth set by an adjustment on the arms. See “Unit-Mount

Cleaner Adjustments” on page 70.

Seed Meter (Standard, Choice of Disks)

Do not back up with row units in the ground. To do so will cause severe damage and row unit plugging.

11. Unit-Mount Coulter (Option) Coulters cut remaining trash and begin opening the seed furrow. Working depth is set by row depth and a mounting hole selection. See “Coulter Adjustments” on page 71.

12. Opener Discs (Standard) Row-unit double disc openers create the seedbed furrow. They have adjustments for angle and spacing. See “Row-Unit Opener Disk Adjustments” on page 73.

13. Seed Tube with Sensor (Standard) Requires no adjustment.

14. Scrapers (Optional, not shown) Inside scrapers require no adjustment. For gauge wheel scrapers, see “Adjusting Gauge Wheel Scrapers” on page 75.

15. Seed Firmers (Seed Flap Standard, not shown) An optional seed ﬁrmer (Keeton® shown) minimizes seed bounce and improves soil contact. It may also deliver fertilizer. See “Seed Firmer Adjustments” on page 82.

16. Press Wheel Type (Choice) A variety of single and dual press wheel assemblies are available, some region-speciﬁc. Consult your Great Plains dealer.

Figure 81

25 Series Row Unit

29600

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Row Unit Down Pressure

Refer to Figure 82

The ideal amount of down-force causes the side gauge wheels to compress any loose surface soil, but not press a trench into subsoil.

To assess down-force, operate the planter for a short distance on typical ground (with or without seeding), and stop. Leave the planter lowered (row units in ground).

At several row units, inspect the furrow created by the opener discs, but prior to furrow closing by the press wheels.

Note: Be sure to inspect rows both in and out of tire

tracks.

Refer to Figure 83

1. If the side gauge wheels are leaving no tracks, or light tracks, increase down-force.

2. If the wheels are compressing trash and loose soil, and leaving clear tracks right at the top of the subsoil, down-force is probably correct and needs no adjustment.

3. If the wheels are creating a trench into the subsoil, down-force is too high and needs to be reduced.

Figure 82

Checking Furrow

Light or no side gauge wheel tracks

Gauge wheels compress loose soil only

Inspect Furrow Here

Insufﬁcient down-force Increase down-force

Ideal No adjustment required

{

29600

Adjusting Down-Force

Refer to Figure 84

Row unit springs provide the primary down pressure necessary for row unit disks to open a seed trench. The weight of the row units themselves contributes about 130 pounds (59 kg) of the total force.

The springs allow the row units to ﬂoat down into depressions and up over obstructions. Springs also provide down force on coulters when using optional row mounted coulters, and provide the primary down force on row cleaners (optional), seed ﬁrmers (optional) and press wheels.

Side gauge wheels making deep tracks

Assessing Down-force

25 Series Row Unit Springs

Down-force too high Reduce down-force

Figure 83

Figure 84

29600

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An adjuster cam sets down pressure individually for

each row unit. This is useful for penetrating hard soil and planting in tire tracks. For best results always adjust tractor tires so they are not ahead of 30 inch or 70 cm rows.

Refer to Figure 86

Cam Notch Pounds Kilograms

zero (out of notch) Lock-Up & Maintenance

one 330 150

two 355 160

three 385 175

four 435 200

five 485 220

six 535 245

tip Do Not Use

34133

Use only enough down pressure to cut the seed trench and maintain proper soil-ﬁrming over seed. Excessive row unit down force will lead to premature wear on row unit components, uneven seed depth and gauge wheel slippage.

Refer to Figure 85 (shown at cam setting 2), Figure 86 and Figure 87

To adjust down pressure, use a 11⁄8inch (29 mm) open end wrench or the tool stored under the walkboard.

1. Raise the planter. Although this adjustment can be made with the planter lowered, the springs will be in tension, and will require more effort. The extra force required may also damage tools.

2. Install lift cylinder locks.

3. Put tractor in Park and shut it off.

4. Position wrench on the ﬁxed nut near or slightly

forward of vertical.

5. Pull upper spring link back.

6. Move the adjustment cam to the new setting on the spring adjust bar .

Note: Do not set all rows higher than notch four. Using

high settings across all rows causes uneven planting. Individual rows may be set higher if running in tire tracks.

Figure 85

25AP Series Row Unit

Spring Adjustment

Figure 86

Row Unit Minimum Cam (at 1)

Figure 87

Row Unit Maximum Cam (at 6)

29605

27065

bottom

27065

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Unit-Mount Cleaner Adjustments

Refer to Figure 88 and Figure 89

Optional Martin row cleaners are unit-mounted, using: UMRC: Unit-Mount Row Cleaner (stand-alone), or

UMC-RC: Unit-Mount Coulter RC (on coulter bracket, with or without a coulter disk present).

There are two adjustments:

1. Wheel placement (forward or aft mounting hole, for more or less aggressive cleaning), and

2. Wheel height, adjusted by a stop. Cleaner arms ﬂoat. The stop only sets the lowest position.

In UMRC mount, a pinned cross-tube on the mount

adjusts the depth. In UMC-RC (coulter) mount, a sliding down-stop block adjusts how close to the ground the

row cleaners operate.

The row cleaner needs to be adjusted for your conditions, crop changes, and as coulters and openers wear. Ideally, cleaners contact only the trash, and do not

Figure 88

UMRC: Cleaner Adjust

27308

disturb the soil. If allowed to “dig”, row cleaners can reduce seed coverage.

Suggested initial depth is tine tips at ground level.

Make the adjustment with the planter raised. Install lift-assist cylinder locks. Also check bolt tightness prior

to each planting session, to avoid down-stop slippage.

Sharp Object Hazard:

Wear hand protection when working in this area. Row cleaner tines, casting edges and coulter blades are sharp.

To adjust the row cleaner:

1. Determine the height adjustment required. Measure

from the lowest tine to the ground. Determine the desired new measurement.

2. Support most or all of the weight of the arm to prevent injury and ease the adjustment. Loosen

5 2

bolts on UMC-RC. Remove bent pin on UMRC.

3. Support arm at desired height.

4. UMRC: Slide adjustment tube until cross-tube contacts arm at target height. Insert bent pin in

1 3

whichever hole pair is most in alignment.

5. UMC-RC: Slide the down-stop on the arm :

- back toward the pivot for shallower cleaning, or

6 4

- forward toward the tines for deeper cleaning. Tighten the bolts . Each possible hole pairing

adjusts the tine height by about3⁄4inch (19 mm).

6. Check the new height measurement.

Refer to Row Cleaner manual 204-085M-A for further information on use, adjustment and maintenance of row

Figure 89

UMC-RC: Row Cleaner Adjust

27343

cleaners.

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Coulter Adjustments

Note: Coulters are not factory-installed. Check alignment

and depth prior to ﬁrst use.

Coulter Depth Adjustment

The ideal operating depth for coulters is1⁄4inch (6 mm) above opener depth. Although they may have originally been set to this depth, coulter (and opener) blades wear with time, and may need adjusting.

Adjusting the coulter depth is accomplished by re-mounting the coulter blade in one of the six mounting holes arranged in a staggered pattern in the coulter bracket.

Refer to Figure 90 and Figure 91

Raise planter and install cylinder locks before working on coulters. Row unit may be fully lowered or locked up. Do not attempt to move blade when the current or new position causes it to contact the ground during the adjustment. Be careful around the front end of row units. Row cleaner tines and coulter blades may be sharp.

To adjust coulter depth:

1. Determine the present opener and coulter depths.

2. Note which bracket hole the coulter is presently using.

3. Determine which new hole will position the coulter closer to the1⁄4inch-above depth. See the table below.

4. Remove the5⁄8-11 x 4 inch bolt, lock washer and nut

( in Figure 90).

5. Move the blade to the new position. Insert the bolt, and tighten on the lock washer and nut.

Figure 90

25 Series Unit-Mounted Coulter

29124

Hole

Number

Depth of (new) coulter blade

relative to (new) opener blades

1 inch (25 mm) above

⁄8inch (16 mm) above

⁄4inch (6 mm) above

⁄8inch (9.5 mm) below

⁄4inch (19 mm) below

Figure 91

Coulter Blade Mounting Holes

29125

6. Re-adjust row cleaners, if installed.

If a worn coulter cannot be adjusted to satisfactory operating depth, replace coulter.

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Coulter Row Alignment

Refer to Figure 92

For unit-mounted coulters, the ideal alignment is for the blade to open a furrow directly ahead of the opener discs.

As a check on coarse alignment, sight along the coulter blade center-line , the gap between the opener blades , and the centerline between the press wheels . If they are clearly out of alignment, either the

coulter or the press wheels (or both) may be in need of adjustment.

The exacting test of correct alignment is ﬁeld results.

Operate the planter on some test ground (no seed required), and verify that the opener blades are in the groove opened by the coulter, and that the press wheels are centered over the furrow. See “Press Wheel

Adjustment” on page 84 for press wheel alignment.

Refer to Figure 93

To adjust coulter alignment, loosen the four bolts that

attach its bracket to the row unit. The holes on the row unit are slotted, side-to-side, and allow the coulter bracket sideways and rotational adjustment.

Keep the coulter blade vertical while adjusting.

If the blade cannot be brought into alignment, check that the blade spindle itself is using the same hole location on each side of the bracket.

Figure 92

25 Series Coulter Alignment

Figure 93

25 Series Coulter Mount

26125

26126

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Row-Unit Opener Disk Adjustments

25 Series openers have three adjustments:

1. planting/seed depth

2. opener disc to disc clearance

3. gauge wheel/opener disk clearance (page 73)

Setting Planting Depth

Refer to Figure 94

The “T” handle sets planting depth by limiting the how

high the side depth gauge wheels ride relative to the opener disks. The position of the seed tube itself is ﬁxed relative to the disks, and is not adjusted.

To adjust seed depth, pull the “T” handle up and back,

move it forward or aft, and set it back in a different pair of holes in the scale.

• For shallower planting, move the “T” handle

forward.

• For deeper planting, move the “T” handle back.

Opener Disc Contact Region

Refer to Figure 95

Opener disc angle and stagger is not adjustable, but disc-to-disc spacing is, and may need attention as discs experience normal wear. Spacers will need to be reset when blades are replaced.

The ideal spacing causes the blades to be in contact for about one inch . If you insert two pieces of paper

between the blades, they should slide to within zero (touching) to 11⁄2in (3.8 cm) of each other. If zero, the gap between the blades should not be signiﬁcantly greater than the thickness of two sheets of paper.

If the contact region is signiﬁcantly larger or there is a large gap, it needs to be adjusted by moving one or more spacer washers.

Adjusting Disc Contact

Refer to Figure 95 and Figure 96

1. Raise the planter and install lift cylinder locks.

2. Remove the side gauge wheels on the row unit in

need of adjustment.

3. Remove the bolt retaining the opener disc on

6 7

one side. Carefully remove the disc. Do not lose the hub components and spacer washers , .

8 9

4. To reduce the spacing between the discs (the normal case), move one spacer washer from the inside to the outside of the disc.

5. Re-assemble and check disk contact.

Figure 94

Opener Adjustments

Figure 95

Opener Disc Contact Region

Figure 96

Opener Disc Spacers

29600

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Side Gauge Wheel Adjustment

Refer to Figure 97 and Figure 99

Disc-to-wheel angle and clearance ideally has the wheel just touching the disk when the wheel is raised to planting depth (is up against the stop set by the “T” handle. The goal is to have both disks and wheels turn freely, but keep soil and trash from getting between them.

These two adjustments interact with each other. Changing one requires at least checking the other.

In addition to changing the disk angle due to changing depth or new ﬁeld conditions, these two settings may need attention over time as the disk and wheels wear from normal use. This adjustment will also need to be made if any opener components are replaced.

Refer to Figure 98

For 2in (5.1cm) planting depth, adjust side gauge wheel angle so wheels contact row unit disks at the bottom of wheel. Check with row units in soil so wheels are held up.

At the same time, keep side gauge wheels close to opener disks so openers do not plug with soil or trash.

Note: Wheels should be out far enough so disks and

wheels turn freely.

Refer to Figure 100 on page 75

To adjust side gauge wheels:

1. Raise the planter and install lift cylinder locks.

2. Loosen hex-head bolt . Move wheel and arm out on O-ring bushing.

3. Loosen pivot bolt Turn hex adjuster so indicator

notch is at 5 o’clock to 7 o’clock.

Note: Use this as the starting point for adjustment.

4. Move wheel arm in so side gauge wheel contacts row unit disk. Tighten hex-head bolt to clamp arm around bushing and shank.

5. Check wheel-to-disk contact at 2 inches (5.2 cm) planting depth, as shown in Figure 99. Lift wheel 2 inches, check contact and release. When let go, wheel should fall freely.

• If wheel does not contact disk at bottom to area where

blade leaves contact with soil, move hex adjuster until wheel is angled for proper contact with disk.

2 2

Side Gauge Wheel

Opener Disks

Incorrect

Correct

Figure 97

Disk/Gauge Wheel Alignment

Contact Within this Area

Figure 98

Opener-Gauge Wheel Contact

Figure 99

Checking Wheel/Disc Contact

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• If wheel does not fall freely, loosen hex-head bolt

and slide wheel arm out just until wheel and arm move freely. Retighten hex-head bolt according to grade:

⁄2inch Grade 5 bolt on 25 series:

torque: 75 foot-pounds (102 N-m).

⁄2inch Grade 8 bolt on 25 series:

torque: 110 foot-pounds (149 N-m).

Note: Use “Torque Values Chart” on page 150 for

reference.

6. Keep turning hex adjuster and moving wheel arm until the wheel is adjusted properly. When satisﬁed, tighten pivot bolt to 110 foot-pounds (149 N-m).

Adjusting Gauge Wheel Scrapers

Refer to Figure 101

Scrapers are optional, and may be useful in moist or sticky soils that tend to accumulate on gauge wheels and reduce intended planting depth.

To adjust scrapers:

1. Loosen nut .

2. Slide scraper toward gauge wheel until scraper

6 8

touches tire.

3. Slide scraper away from wheel leaving a

⁄8inch (3 mm) gap at .

6 8

4. Rotate scraper left and right around bolt, making sure it cannot touch tire if bumped in ﬁeld. If it can touch tire, back scraper away from wheel until it cannot.

5. Center scraper angle on bolt until gap is

5 7

constant.

6. Tighten nut .

Starting Point

Disk/Gauge Wheel Adjustment

Figure 100

Figure 101

Gauge Wheel Scraper

22524 22525

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Seed Meter Setup and Adjustment

There are adjustments for seed inlet, and choice of disks. There are no other adjustments, in particular no brush adjustments, at the meter.

Meter Rain Cover

The rain cover keeps side winds from unseating seed in disk pockets. It also keeps precipitation, sunlight and ﬁeld debris out of the meters.

Refer to Figure 102

To remove the rain cover, peel the ﬂexible snap latches,

1 2

at top and rear , away from the meter housing. Pivot the cover forward and down at tab in slot.

When removing a cover, inspect it for damage and missing parts. If a cover does not have both latches, and an intact edge seal under the latches, the cover is apt to be lost during transport or ﬁeld operations.

To replace a latch, temporarily remove the seal near the latch. Slide the replacement latch onto the cover lugs from the meter side, then snap the other end down over the lugs. Re-install the seal.

Seed Inlet Shutter Adjustment

Refer to Figure 103 (showing the shutter at setting 3)

The seed inlet shutter regulates the volume of bulk seed presented to the seed disk. The operating settings vary with crop, seed size and treatments. The shutter also has settings for row shut-off (completely closed), and clean-out (wide open).

The Seed Rate Charts include suggested initial shutter settings. Reﬁne these settings based on experience, and on inspection of the slope of the seed pool at the bottom of the seed disk.

The shutter is operated by a handle. Lift the handle away from the meter plate. Move the handle to half a setting higher than the new setting, then back to the new setting, and lower the pawl into that slot.

The table at right is a general summary of shutter settings.

Setting Setting Typically Used For

Top (0) Closed: Row Shut-Off, Meter Re-Fill

| (1)

|| (2)

||| (3) Corn, round popcorn

|||| (4) Large corn, or heavily treated corn

Bottom (5) Wide Open: Clean-Out

Figure 102

Rain Cover Removal

Figure 103

Seed Inlet Shutter

Small seeds, such as Milo, with little or

no treatments

Small treated seeds and edible beans

(such as Soybeans)

29606

III

||||

29607

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Optimal Seed Pool Slopes

The optimal seed slope is one that results in the most consistent seeding, with minimal skips and doubles. The column at right has photographs of pool slopes found to be optimal for representative seeds.

If the suggested initial shutter settings do not seem to be working for your seed, adjust the shutter to achieve speciﬁc reserve slope targets.

Refer to Figure 104

For medium size and smaller seeds that ﬂow easily, the slope runs from just above the 8:00 (o’clock) position on the housing wall, forward and down to one or two seeds deep at the base of the rear strip brush .

Refer to Figure 105 and Figure 106

For medium size and larger, or heavily treated smaller seeds that ﬂow less easily, the slope runs from at or slightly above the 8:30 (o’clock) position on the housing wall, forward and down to 3-6 seeds deep at the base of the rear strip brush .

In general, the seeds at the base of the strip brush need to be deep enough that no air escapes there, and so that just enough seeds are present to begin populating cells.

Keep the top left/rear end of the pool below the 9:00 o’clock position (meter horizontal center-line).

Meter Re-Fill

Once planting is underway with the seed pools set, it is infrequently possible for bridging at or above the inlet to starve the meter of seed.

An empty meter causes seed monitor “Row Failure” alarm, with a report of the row number. Row numbers are counted from the left wing (outside row is row 1).

Stop, and put the tractor in Park. Leave the fan running. Locate the failed row, remove the rain cover, and verify that the meter is empty. Note the shutter setting. Temporarily open the shutter one of two notches wider. if the problem was inlet bridging, seed should ﬂow into the meter immediately.

If inlet bridging is not the problem, little or no seed ﬂows into the meter with the shutter open wider. In this case, the problem is further upstream in the seed ﬂow, and may be bridging at the air release screen at the top of the meter. Close the shutter completely for about 15 seconds. This prevents meter pressurization air from opposing seed delivery air. The delivery air pressure usually collapses the bridge. Re-open the shutter and see if seed now ﬁlls the meter.

If no obvious foreign object was the cause of the bridging, the shutter setting may have been too small for the seed. Verify that this and other operating rows were at the correct initial shutter setting. If so, re-set the shutters to the next higher opening.

Milo: Seed Inlet Shutter at: 1

Soybeans: Seed Inlet Shutter at: 2

Corn: Seed Inlet Shutter at: 3

Foreign Object Risk:

After clearing a bridge, or a delivery blockage upstream, check the seed pool at the meter for any debris that might have been the original cause. Remove such debris from the meter before planting. Don’t run the risk of an object lodging in a seed pocket and causing on-going skips.

8:00

Figure 104

8:30

Figure 105

8:30

Figure 106

29602

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Air-Pro® Meter Disk Installation

1. Cross-check Seed Rate Chart data against part number/description molded into disks to be used.

Population Risk:

Use the same disk in all active rows.

2. Inspect disks to be installed. Do not install damaged or excessively worn disks. Either can cause irregular seeding. Chips and cracks accelerate brush wear.

3. Remove meter rain cover (page 76).

Refer to Figure 107 (depicting an empty meter)

4. Inspect meter (see page 101 for details).

5. Make sure clamp is aligned with seat .

Refer to Figure 108

6. With the seed pocket side facing the meter housing, place the new seed disk on the disk seat.

7. Rotate disk clamp clockwise 45° to clamp disk. Clamp seats into detents in disk hub.

Note: On a new meter, or with new brushes installed,

force the disk into the brushes to allow the disk clamp to rotate. This condition eases as the brush ﬁbers are trained during initial rotations.

Note: With slightly used brushes, when a disk is ﬁrst

clamped, it is normal for the disk hub to be ﬂat with the face of the disk seat only on the inlet (rear) side. The disk fully seats as it ﬁrst turns. This condition eases as the brush ﬁbers receive further use.

1 2

Figure 107

Disk Removed From Meter

Figure 108

Disk on Clamp and Seat

29608

29611

Brush Mis-Seating Risk:

Rotate disks forward shortly after disk installation. If planting is not anticipated within an hour or two of disk installation, rotate the drive system a few turns to ensure that meter brushes lean in the correct direction. Correct lean improves meter performance and reduces air consumption. This step is particularly important for new brushes.

Brush seating may be accomplished with or without seed present, and may be combined with “FILL DISK”. An alternate method, which avoids running the tractor, monitor and fan, is to rotate the section’s meter drive shaft, top forward, with a7⁄8inch open-end wrench.

8. Reset seed inlet shutter to setting recommended by Seed Rate Chart, or to your own developed value.

9. On the monitor console, select the new Material, seed disk Cell Count, and target population.

10. Re-install rain cover (page 76).

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Figure 109

Disk Clamped

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Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 79

Removing a Seed Disk

Refer to Figure 110

1. Remove rain cover. If seed is present, close shutter to prevent more seed from entering meter. Attach funnel (page 99).

2. Hold seed disk in meter. Rotate disk clamp counterclockwise 45° to release disk.

3. Tilting top of disk toward meter, slowly remove disk, allowing seed to collect in funnel. Open shutter to release remaining seed up to wing tube.

4. Clean seed from all brushes. Clean disk seat ( in Figure 107 page 78), so that new disks can seat fully. Inspect brushes for excess wear and damage. See “Meter Brush Maintenance” on page 101.

5. Inspect removed disks for excess wear and damage. Set aside any disks requiring replacement. Clean other removed disks and place in storage. See “Seed Disk Maintenance” on page 103.

6. Re-install the rain cover (page 76).

Figure 110

Remove Disk

29611

Row Unit Shut-Off

Skip-row operations, such as planting from every other row when switching from 30 inch twin-row to 30 inch single-row, requires shutting down unused rows.

Shutting off seeding at a row involves 4 to 7 steps:

1. Identify the rows to shut off.

2. Fully close seed inlet shutter (always done).

3. Replace seed disk with blank disk (always done).

4. Close seed ﬂow to row at Y-tube (if present).

5. Lock up row unit to reduce wear (optional).

6. Reset marker extension (if used, page 54).

7. Reset monitor active row pattern and row spacing to avoid nuisance alarms (always done).

Note: Meter drive is not disabled on 25AP row units

during shut-off.

Figure 111

Seed Inlet Shutter Closed

29609

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1. Identify Rows to Shut Off

On twin-row planters, openers are installed with short and long opener mounts. If locking up unused rows of a twin-row planter, shut off the rear (long mount) rows.

On single-row planters with mid-length mounts, any rows may be locked up.

2. Close Seed Shutter

Refer to Figure 111 on page 79

Lift the handle away from the plate. Move it to the top

position, and release the handle into the notch.

Closing the shutter prevents meter pressurization air

from leaking into the bulk seed air system, resulting in lower pressures in adjacent rows, with risk of skips.

The shutter also stops seed ﬂow from a row as soon as the meter is empty. Bulk seed ﬂow to the row falls to nil

Figure 112

Shutter Closed, Blank Disk Installed

29610

as soon as the seed backs up to the air release vent at the top of the meter. If the row is served by a Y-tube, the Y-tube also needs to be shut off for the row (step 4).

3. Install Blank Disk

Refer to Figure 112

Clean out meter. See “Meter Clean-Out” on page 99. Remove seed disk and install blank disk. See “Air-Pro

Irregular Seeding Risk:

Always use a blank disk in a shut-off row. Operating with no disk, or with a seed disk but no seed, destabilizes the regulated airﬂow, particularly at rows with pressure sensor lines.

Meter Disk Installation” on page 78.

Blank disks (part number 817-841C) are essential in row shut-off, both to maintain consistent meter back-pressure to meter pressurization and to prevent wear on a seed disk.

Blank disks are engineered to simulate a seed disk with seed in all pockets. Blanks are particularly important on the rows with sensor lines to the pressure chamber.

4. Close Y-Tubes

Refer to Figure 113

If any shut-off rows are served by a Y-tube, close the valve for the branch to that row. Rotate the valve cap until the indicator/handle is perpendicular to the tubes.

Closing the Y-tube prevents seed from entering an unused hose, reducing waste and simplifying clean-out.

Figure 113

Y-Tube Open and Closed

29758

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5. Lock-Up Row

Alternate twin-row units (the rear units) can be pinned in the up position to accommodate single-row spacing.

Refer to Figure 114

The lock-up pins for each front row unit are located in a storage hole in the row unit mount. To lock up a unit,

the unit must be raised, and the pin moved to the lock-up

hole in the row unit shank.

Crushing and Sharp Object Hazards:

Do not attempt to lift a row unit by hand. The weight of the unit, plus the force of the springs (even at minimum) is too great (plus, a free hand is needed for pin insertion). Even with multiple people lifting, hand-lifting is unsafe - there are numerous sharp edges, and the row unit snaps down violently if a grip is lost.

Note: If you lose a pin, the replacement part number is

805-033C

1. Raise the planter. Although this adjustment can be made with the planter lowered, the springs will be in tension, and will require more effort. The extra force may also damage tools.

2. Install lift assist cylinder locks. Lower parking stands.

3. Set the down pressure spring cam to zero, per the instructions on page 69.

4. Raise the row unit high enough that the hole for the pin is above the lower parallel arm. This can be done in several ways, including: a. use a hoist at the rear of the shank b. use a jack under the shank extension

Figure 114

25AP Row Unit Lock-Up Pin

25269 29600

Crushing Hazard:

Use a jack or hoist. Raising a row unit on a block by lowering the planter is risky. The potential for hydraulic failure creates

Figure 115

25AP Row Unit Locked Up

29756

a safety hazard. Full lowering can damage components.

Refer to Figure 115

5. Remove the pin from the storage hole and insert and secure it in the lock-up hole .

6. Lower row unit until lock-up pin rests on lower parallel arm.

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Certain Machine Damage:

Do not pin the row unit while it is in the lowered position. If the pin is inserted below the parallel arm, unit damage occurs as soon as planting begins.

82 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Seed Firmer Adjustments

Series 25 row units include a standard seed ﬂap, and accept one of two optional seed ﬁrmers (which may be included in your selected opener bundle).

Sharp Object Hazard:

Row unit disk blades may be sharp. Use caution when making adjustments in this area. To adjust the Keeton® Seed Firmer, lower the planter until the disks of the row units are resting on the ground.

Keeton® Seed Firmer Adjustment

The optional Keeton® Seed Firmer is an engineered polymer shape that slides down the seed trench. It traps seeds as they exit the seed tube and ﬁrms them into the bottom of the “V”.

Refer to Figure 116

The Firmer is provided with a preset tension which is recommended for using the ﬁrst year. The tension screw can be tightened in subsequent years

according to your needs. Firmers should provide just enough tension to push seeds to the bottom of the trench.

Figure 116

Keeton® Seed Firmer

28316

Seed-Lok® Seed Firmer Lock-Up

Optional Seed-Lok® ﬁrming wheels provide additional seed-to-soil contact. The wheels are spring loaded and do not require adjusting. In some wet and sticky conditions the wheels may accumulate soil. To avoid problems associated with this, you can lock-up the ﬁrmers.

Refer to Figure 117 (which depicts a row unit with discs, side depth wheels/arms and press wheels removed for illustrative purposes - removal is not necessary for lock/unlock)

To lock up Seed-Lok® wheels:

1. Raise planter. Insert lift assist cylinder locks.

2. Lift Seed-Lok®lock-up handle until lever stop is

1 2

free to rotate.

3. Rotate lever stop to side/idle position . Release lock-up handle .

4. Push up on Seed-Lok® wheel until wheel arm latches up .

To release a locked-up Seed-Lok®:

1. Insert a1⁄4in tool drive tip in the tool hole of the handle . Alternatively, lift up on the wheel .

1 4

2. Rotate the handle clockwise (handle arm up) until the Seed-Lok® wheel releases at the latch point

and falls free.

3. While holding the handle up, rotate the raised portion of the lever stop under both sides of the handle

2 2

at the arm end. Remove the tool.

Figure 117

Seed-Lok

Lock-Up

Note: Engage the lever stop under the handle when

Seed-Lok®is in use. If left disengaged , a furrow obstruction could cause unintended lock-up.

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Seed-Lok® Seed Firmer Lock-Up (older style)

Optional Keeton® ﬁrming wheels provide additional seed-to-soil contact. The wheels are spring loaded and do not require adjusting. In some wet and sticky

conditions the wheels may accumulate soil. To avoid problems associated with this, you can lock-up the ﬁrmers.

Refer to Figure 118

To lock up Keeton® wheels:

1. Raise planter. Insert lift assist cylinder locks.

2. Rotate Keeton

lock-up handle 90 degrees down

on top of row unit body.

3. Push up on Keeton® wheel until wheel arm

latches up.

Figure 118

Seed-Lok® Lock-Up (older style)

22909

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Press Wheel Adjustment

The press wheels close the furrow which gently presses the soil over the seed to ensure good seed-to-soil contact for even emergence.

To provide consistent seed ﬁrming, the press wheels are free to move downward from their normal operating position. This system maintains pressing action even if the row unit arm is lifted when the disks encounter obstructions.

There are three adjustments available on the press wheel assembly:

Refer to Figure 119

1. Down pressure (shown at maximum)

2. Wheel stagger (shown staggered)

3. Centering (see Figure 121 on page 85)

Press Wheel Down Pressure

Handle sets down pressure, which may need adjustment for different soil types and ﬁeld conditions.

• Relax the handle forward (in the direction of travel) for

• Pull the handle back for increased down pressure.

Note: Higher press wheel down pressures reduce the

Press Wheel Stagger

The factory stagger setting has been found optimal for residue ﬂow. If your conditions appear to require even press wheels, you might try one row before re-conﬁguring the entire planter. To change the stagger:

Refer to Figure 120

1. Raise the planter and install the lift assist cylinder

2. Remove the bolt , nut and lock-washer for the

3. Move the spacer and wheel to the forward of

4. Re-install the bolt, lock washer and nut. Tighten.

decreased down pressure.

down force on the main row unit shank components, such as the openers. High press wheel settings may require an increase in overall row unit down force. See page 68.

locks. See “Lift Cylinder Lock-Up” on page 30.

4 5 6

left press wheel .

the two mounting holes at .

7 8

Figure 119

Press Wheel Adjustments

Press Wheel Force & Stagger

Figure 120

25118

22907

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Press Wheel Centering

If one press wheel is running in the seed trench, or the wheels are not centered over the trench, the angle of the press wheel assembly can be adjusted as follows:

Refer to Figure 121

1. Determine how far, and in which direction, the press wheel assembly needs to move to center the wheels.

2. Raise planter and install lift assist cylinder locks. See “Lift Cylinder Lock-Up” on page 30.

3. Loosen the1⁄2inch hex-head bolts and .

2 3

Note: Do not loosen the square-head bolts forward of the

hex-head bolts.

4. Turn the hex head cam under the forward hex head jam bolt , and move the required amount.

5. Tighten both hex head bolts and .

2 3

Figure 121

Press Wheel Centering

(View from beneath opener)

25277

If press wheel adjustments do not provide satisfactory furrow closing, your conditions may require alternate press wheels. A variety of wheel assemblies are available. Consult your Great Plains dealer.

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Troubleshooting

See also “Row-Pro™ Troubleshooting” on page 158.

Planting Rate Problems

When starting up with a new planter, a new crop or a new population it is important to physically double check what the monitor is reporting in the cab by digging seeds. This is to verify that you are set up correctly to plant the desired population. Do not rely solely on the population reported by the DICKEY-john

Also during start up it is common to encounter alarms and readouts on the DICKEY-john® console that don’t seem to make sense. It is critical to troubleshoot these alarms not only to make sure the planter drive is set properly to hit the target population, but also to ﬁx incorrect entries in the DICKEY-john® monitor to eliminate nuisance alarms.

Before entering the troubleshooting charts to remedy a monitor or population problem, it is helpful to use the following ﬂowchart to get a handle on what may be wrong. The basis for ﬁnding what is wrong comes from knowing exactly what the planter is actually doing in the soil. Always dig or observe seed on the ground when checking populations.

monitor.

For seed monitor issues, see also the DICKEY-john Planter/Drill Control User Manuals, “TROUBLESHOOTING & ALARMS” section.

Suggested Furrow Check:

Plant a short distance and dig seeds, or run with the closing wheels wired up to leave an open seed trench.

Based on seeds found, determine an average distance between seeds. Compare the distance between seeds to the seed spacing listed in the charts for your population. This is listed as “inches per seed”.

1. Is the spacing on the ground correct?

2. Is the reported population

⁄2the actual or is the

reported population too high by a factor of 2?

3. Is the population on the screen close to the target population?

No: Check the ground drive transmission and range sprocket selections, or

the population settings on a hydraulic drive unit. See also “Population Too Low” or “Population Too High” in the troubleshooting charts.

Yes: Go to step 2.

No: Go to step 3.

Yes: An incorrect row spacing value entered in the seed monitor can cause

this. Example: 15 inches instead of 30 inches. Correct the row spacing error on the DICKEY-john® console.

The system can also be off by a large factor if incorrect range sprockets are installed. Check seed rate charts against range and transmission sprockets on the planter.

No: Check seed rate charts against transmission sprockets selected. See

“Population Too Low”or“Population Too High” in the troubleshooting charts.

Yes: If slightly under, see “Population Too Low” if slightly over, see

“Population Too High”.

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Seed Pool Troubleshooting

29743

Normal:

Filling

Seed pool at shutter prevents back-ﬂow of meter pressurization air, allowing seed to ﬂow from delivery system, ﬁlling inlet to top of air release screen.

Actions: Actions: Actions: Actions: Actions:

No action required. Continue Planting.

Figure 122

Rear Cross-Section of Air-Pro® Meter in Normal and Row-Failed Conditions

Normal:

Filled

Once inlet is ﬁlled to top of air release screen, air ﬂow from the delivery system is blocked. No further seed arrives until planting reduces the backlog at the inlet.

No action required. Continue Planting.

Delivery Blockage or

Back-ﬂow Starvation

No seed arriving from manifold. Air back-ﬂow is occurring. Causes may include:

• low fan speed

• seed hose blockage

• no seed available

• Y-tube closed

• meter never primed

1. Correct cause of blockage.

2. Perform a one-row seed pool recovery (page 88).

3. Resume planting.

Bridging:

Screen

Oversize matter in seed has caused a bridge at the top of the inlet. Air back-ﬂow is occurring.

When the bridge is released, the seed pool will be insufﬁcient to prevent back-ﬂow.

1. Close shutter.

2. Disconnect hose at meter.

3. Tap on screen cone and inspect.

4. Check seed pool for foreign matter.

5. Perform a one-row seed pool recovery (page 88).

A bridge at the shutter is blocking ﬂow. Causes may include:

• oversize seed

• shutter setting too low

• oversize matter in

1. If shutter was at

2. Check seed pool

3. Resume planting.

6. Resume planting.

29743

Bridging:

Shutter

seed

suggested opening, increase one notch.

for foreign matter.

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Seed Pool Recovery

When a meter has been starved of seed, back-ﬂow of air through the open shutter reduces delivery air ﬂow. This causes seed delivery to be slow. If you start or resume planting with an empty seed pool, the delivery ﬂow may be too low to keep the meter supplied. The steps below quickly “prime” the meter by rebuilding the seed pool.

Refer to Figure 123 (which depicts a recovery after an incidence of bridging at air release screen)

1. Close the shutter . This stops the air back-ﬂow.

2. Clear the bridge or blockage that caused the meter to run empty.

3. With the fan running, listen for seed to fall into the inlet.

4. Wait for seed fall to taper off and stop.

5. Open the shutter to the operating setting.

6. Start or resume planting.

29744

Figure 123

Seed Pool Recovery

29744

Population Troubleshooting Charts

Population Too Low

Problem Cause Solution

Overall Low Population

Incorrect seed rate Check seed rate charts

Empty pockets on disk (skips) due to insufﬁcient air pressure.

Empty pockets on disk (skips) due to sticky seed treatments not allowing seed to rapidly ﬁll the pockets.

Empty pockets on disk (skips) due to rough ﬁeld conditions causing seeds to fall from the disks.

Empty pockets on disk (skips) due to seed pool too low, and seeds are not ﬁlling every pocket on the disk.

Empty pockets on disk (skips) due to disk speed too high, and pockets are not ﬁlling.

Empty pockets on disk (skips) due to singulation (4 tufted) brush too aggressive.

Empty pockets on disk (skips) due to seed too big for pocket.

Seeds are not falling from disk, and get carried past drop zone. Static electricity can cause small, lightweight seeds to cling to the pocket and not fall out.

Methodically increase the controlled air to the meter. See “Fan and Meter Pressurization Adjustment” on page 59.

Increase seed lubricant.

Decrease ﬁeld speed or increase the air pressure in the meter.

Open shutter one notch.

Decrease ﬁeld speed or change to a higher cell count disc.

Check for matted, stuck together ﬁbers. Wash, scrape clean, or replace as needed.

Select the correct disk for the seed size.

The graphite component of Ezee Glide Plus addresses this issue. Increase the amount of Easy Glide Plus and/or more thoroughly mix the lubricant into the seed.

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Population Too Low

Problem Cause Solution

Overall Low Population (cont.)

Low Population, One Section

Air pressure too low, false information driving the DICKEY-john

Low fan speed: meter starvation due to meter pressurization, leaving insufﬁcient air for seed delivery

Leaking meters in split row: meter starvation due to meter pressurization leaving insufﬁcient air for seed delivery

Excess ﬁeld speed Plant within speed ranges recommended in seed rate

Incorrect speed sensor constant. Perform speed radar calibration per DICKEY-john

Speed sensor angle. With planter lowered, check radar speed sensor angle

Pass gaps too large Check marker extension (page 54).

Actual ﬁeld size is different Population may be correct, and calculations are not.

Clutch slipping, due to contaminants in clutch, or wear

Skipping chain from drive to section Check chain slack.

software.

Compare the air pressure reported on the monitor console to the mechanical gage. If they do not match:

• Inspect the1⁄4inch sample lines from the row units up to the sensor chamber for leaks.

• Make sure all non-planting rows have blank disks.

• Re-zero the air pressure with the fan off.

Increase fan speed.

Install blank disks and close shutters on unused rows.

charts.

monitor manual. See page 151.

per DICKEY-john® recommendations.

For GPS, check planter size programmed.

Lock-up clutch (page 39) until it can be overhauled or replaced

Replace worn chain.

Low Population, Single Row

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Shutter opening too wide - interfering with meter pressurization

Shutter opening too narrow - starving meter of seed (low seed pool)

Y-tube partially or completely closed, reducing bulk ﬂow to meter or causing bridging

Meter starvation due to bridging at shutter Re-adjust for shutter bridging (page 77).

Meter starvation due to bridging above inlet, caused by low seed delivery air ﬂow

Meter starvation due to bridging above inlet, caused by high levels of seed treatment

Adjust shutter to lower setting.

Adjust shutter to higher setting.

Open Y-tube for row

If seed is treated, increase seed lubricant.

Clear bridge (page 77). Check that seed delivery system is getting sufﬁcient fan air, and that there are no other obstructions upstream.

Clear bridge (page 77). Increase seed lubricant.

90 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

Population Too Low

Problem Cause Solution

Low Population, Single Row, cont.

Skips due to low meter pressurization at one or several rows

Skips due to skipping chain Check for worn chain, worn idlers, and low chain slack

Skips due to debris in disk pockets Remove rain covers. Inspect and clean out disks.

Row has blank disk installed Replace with seeding disk.

Seed sensor obscured Clean out seed tube (see page 100).

Seed tube plugged Raise planter, expose bottom of seed tube and clean

Check shutter setting. Check for excess wear on seed drop brush. Check for loose or leaking pressure hose.

(page 109).

out.

Population Too High

Problem Cause Solution

Overall High Population

Incorrect seed rate Check seed rate charts

Two seeds per pocket on the disk (doubles), due to excess meter pressurization

Two seeds per pocket on the disk (doubles), due to pockets too large for the seed

Air meter pressure too high due to pressure sensor not zeroed properly.

Air pressure too high, false information driving the DICKEY-john® software.

False alarms or actual seed rate errors due to monitor setup with incorrect row count, spacing or active rows

Incorrect cell count Replace seed disks with correct disks, or reset rate for

Incorrect speed sensor constant Perform speed calibration per DICKEY-john® monitor

Doubles due to incorrect disk for crop or seed size

Sticky seeds: excess seed treatment Increase seed lubricant.

Methodically decrease the controlled air to the meter. See “Fan and Meter Pressurization Adjustment” on page 59.

Select a disk with smaller pockets.

Re-zero the air pressure with the fan off. Make sure the displayed pressure reads 0.00.

Compare the air pressure reported on the monitor console to the mechanical gage. If they do not match:

• Inspect the1⁄4inch sample lines from the row units up to the sensor chamber for leaks.

• Make sure all non-planting rows have blank disks.

• Re-zero the air pressure with the fan off.

When troubleshooting population issues, always ﬁrst rule out seed monitor setup. Review planter conﬁguration and monitor setup.

current disks (if within range).

manual. See page 151.

Use recommended disk for crop and seed size.

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Population Too High

Problem Cause Solution

Overall High Population, cont.

High Population, Single Row

Speed sensor angle. With planter lowered, check radar speed sensor angle per

DICKEY-john

Incorrect speed sensor constant Perform speed calibration per DICKEY-john® monitor

manual.

Overlapping passes Check marker extension (page 54).

For GPS, check planter size programmed.

Actual ﬁeld size is different Population may be correct, and calculations are not.

Excess meter pressurization causing doubles

Worn seed-drop brush and/or strip brushes allowing excess seed to pass

Incorrect seed disk with higher cell count.

Check shutter.

Replace worn brushes.

Install correct disk.

recommendations.

Population Related

Problem Cause Solution

Overall Population Alarms

Mismatch Between Reported and Furrow Population

Excessive Seed Cracking

False alarms or actual rate errors due to monitor setup with incorrect [active] row count or spacing

Incorrect cell count Replace seed disks with correct disks, or reset rate for current

Improper gap on speed sensor. Check speed sensor on planter for1⁄16inch to1⁄8inch

Incorrect speed sensor constant Perform speed calibration per DICKEY-john® monitor

Small seeds (example milo) are not reliably sensed in the seed tube

Seed tube sensor is not counting all seeds

Seeds / revolution value in the DICKEY-john® setup does not match the disk cell count.

Incorrect seed pocket size Use correct disk for seed.

Damaged, old or dried-out seed Use new seed.

Unclean seed Use clean seed.

When troubleshooting population issues, always ﬁrst rule out seed monitor setup. Review planter conﬁguration and monitor setup.

disks (if within range).

(1.6-3.2 mm) gap from wheel. Improper gap can cause erratic speed signal causing monitor to falsely report improper planting rate.

manual.

Run with rain covers in place to minimize ambient light intrusion. Use the population adjustment factor in the DICKEY-john® monitor system to compensate for missed seeds. For example, change the DICKEY-john® Population Adjustment values from 100% to 130% or 140% as needed. Remember to set this back to 100% for large seeds.

Clean the seed tube of graphite and dust buildup with long narrow seed tube brush. Replace sensors that malfunction.

Correct the value in a setup screen or install the correct cell count disc.

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Population Related

Problem Cause Solution

Skips and Bare Spots After Turns

Unable to adjust air pressure low enough.

Seed too shallow or scattered on ground from a single row

Twin Rows were timed but became out of time.

System is unable to automatically control air meter pressure.

Fan was turned off at turns Leave fan running. Meter Pressurization must be maintained

during turns, or seed will fall out of disk pockets.

Insufﬁcient hydraulic ﬂow to keep fan running at speed required to maintain meter pressurization

Lower limit reached in DICKEY-john® software.

Fan speed too high, vane rotated to maximum.

Bottom of seed tube damaged. Replace seed tube. Avoid setting planter straight down. Use

Row not penetrating in tire tracks. Increase down force on parallel arm springs.

Opener depth too shallow. Change side depth wheel setting.

Timing will change when a population change has been made.

Chain has jumped. Check sprockets and chain for excessive wear or rusty stuck

Signal from air pressure sensor lost. (failed sensor or wiring)

Check tractor capability against requirements (page 135). If sufﬁcient:

• Fold markers before engaging lift.

• Use a less aggressive lift rate.

• Monitor fan rpm during end-of-pass operations.

At User Level 2, reduce the controlled air lower limit in the software.

Reduce the fan speed.

forward motion when lowering.

Re-time meters from the population based timing chart.

links.

Air pressure may be controlled manually, consult DICKEY-john® Planter/Drill Control manual, User Level 2/3.

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Seed Delivery Troubleshooting

Problem Cause Solution

Single row doesn’t ﬁll or keep up with other rows.

Both rows on one meter outlet low or not keeping up with other rows.

Multiple rows fail for lack of seed. Fan speed too high/too low. Check/adjust fan speed.

Single or multiple hoses plugging just ahead of airbox.

All rows fail. Lack of seed. Fan speed too high. Adjust fan speed.

1, 2, 3, or more outlets fail.

Outlets can be side-by-side or random. Plugging may also move from one outlet to another.

Little or no seed to a lot of rows with heavily treated seed.

Y tube is bent/angled off feed pipe.

Drop tube to meter is too long, causing seed to pool and plug hose or Y-tube.

Blockage in air slot in top of airbox.

Bad hose routing between delivery hose and airbox on wing.

Out of seed. Add seed.

Fan speed too high/too low. Check/adjust fan speed.

Possible air leak. Check for air leak downstream

Foreign matter in seed chamber in bottom of airbox.

Seed treatment sticky. Add Ezee Glide Plus to seed to dry out

Treatment mixed unevenly and plugging outlets.

Loosen pipe and spin so the bend is straight down and Y-tube is not pointing to front or rear of air pipe.

Shorten hose (with planter raised, but row units lowered, to ensure hose is not too short).

Clear by using a long skinny tool and taking hose off through hose outlet.

It may be necessary to take top off airbox or use side access doors to clear junk from slot.

Correct hose routing.

between box and top of meter.

Extremely high populations may require slightly reduced ﬁeld speed.

Clean out seed chamber.

seed treatment.

Clean out seed. Re-mix.

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94 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

General Troubleshooting

Problem Cause Solution

Population Alarms

Excess Seed Remaining

Seed Consumptio n Too High

Rows Not Planted

Uneven seed spacing

Planter does not fold or unfold fully

See “Population Troubleshooting Charts” on page 88.

Field size different. After ruling out population problems, re-check geography.

Excessive gaps between planter passes.

See “Population Troubleshooting Charts” on page 88.

Field size different. After ruling out population problems, re-check geography.

Excessive overlap. Irregular shaped ﬁeld.

If not detected by seed monitor, check for plugged row-unit seed tube

See “Population Troubleshooting Charts” on page 88.

Excessive ﬁeld speed. Reduce ﬁeld speed.

Unclean seed. Use clean seed.

Damaged seed tube Inspect; repair or replace.

Seed-Lok® plugging. Lock up Seed-Lok®, page 83.

Row-unit discs not turning. See “Row-unit discs not turning freely” in this

Worn/rusted sprockets and/or chain idler or bearings.

Partially plugged row-unit seed tube. Lift up planter, expose bottom of seed tube and clean out.

Lack of proper seed lubrication on seed.

Fold cylinders out of phase Re-phase cylinders, refer to page 24

Air in lines Bleed fold circuit, refer to page 105

Adjust marker, page 54.

Lift planter, expose bottom of seed tube and clean out.

Troubleshooting chart.

Check and replace any worn/rusted sprockets or chain idlers.

See “Seed Lubricant” on page 127.

Uneven seed depth

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Excessive ﬁeld speed. Reduce ﬁeld speed.

Planting conditions too wet. Wait until drier weather.

Incorrect coulter depth setting. See coulter manual or set unit mounted coulter.

Excessive or improper row unit down pressure spring setting.

Damaged seed tubes. Check seed tubes for damage.

Seed-Lok® building up with dirt. Lock up Seed-Lok®, page 83.

Row-unit not penetrating low spots. Adjust row-unit, see instructions beginning on page 68.

Rough planting conditions. Rework the ﬁeld.

Seed ﬁrmer not in place and set to correct tension.

See 25 series row-units, page 68.

See “Seed Firmer Adjustments” on page 82.

Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 95

General Troubleshooting

Problem Cause Solution

Press wheel or row-units plugging

Row-unit discs not turning freely

Press wheels not compacting the soil as desired.

Seed blowing out of bulk box door area

Planting conditions too wet. Wait until drier weather.

Too much pressure on row-units. Reduce down pressure on row-units.

Coulters set too deep, bring up excess dirt and moisture.

Planter not set to run level from front to rear.

Backed up with planter in the ground.

Failed disc bearings. Replace disc bearings.

Disc blades worn. Replace disc blades.

Scraper worn or damaged. Side depth wheels not set correctly.

Row-unit plugged with dirt. Clean row-unit.

Planting conditions too wet. Wait until drier weather.

Incorrect side depth wheel adjustment

Seed-Lok® is plugging row-unit. Lock up Seed-Lok®, page 83.

Failed disc bearings. Replace disc bearings.

Bent or twisted row-unit frame. Replace row-unit frame.

Partially plugged row-unit seed tube. Lift up planter, expose bottom of seed tube and clean out.

Incorrect spring handle setting See “Press Wheel Adjustment” on page 84.

Insufﬁcient row unit down-force See “Row Unit Down Pressure” on page 68.

Use of incorrectly shaped tire for your conditions.

Not level front to rear. Check tongue height.

Wheel stagger needs adjustment for conditions

Too wet or cloddy Wait until drier weather or rework ground.

Fan too fast. Slow down fan.

Seal from airbox to hopper damaged or not adjusted.

Check coulter adjustment.

Check tongue height page 20

Clean out and check for damage.

Adjust side depth wheels page.

See “Side Gauge Wheel Adjustment” on page 74.

Wedge shaped wheels work best on narrow spacings and in wet conditions. Round edge wheels work best in wider row spacings and drier conditions.

See “Press Wheel Adjustment” on page 84.

Inspect and adjust seal. Seal should be intact, and compress to about1⁄2in (13mm) under seed container.

Air lines plugging between air box and Y splitters

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Fan too slow. Speed up fan.

Air leaks between air box manifold and splitters

Improper hose routing, sags or kinks With planter unfolded, hoses should for a gentle “S” shape

Check for leaks and correct as needed.

through the holders, with no deep sags.

96 YP2425A Table of Contents Index Great Plains Manufacturing, Inc.

General Troubleshooting

Problem Cause Solution

Air lines plugging between Y-tube and meter

Hydraulic marker functioning improperly, or not at all

Marker disk does not mark

Sag or kink in air hose. Check air tube placement in tube mount weldment. If correct,

shorten any hose that has stretched due to age.

Meter is shut off but Y-tube is open. Shut off Y-tube.

Air tube assembly not positioned on correct tab.

Sag in air hose due to incorrect frame height

Marker/Fold switch set to Fold. CFM Switch must be set to “Marker”. Set tractor remote

Marker/Aux valve set to Aux On a planter with optional Auxiliary Hydraulics, selector valve

Air or oil leaks in hose ﬁttings or connections.

Low tractor hydraulic oil level. Check tractor hydraulic oil level.

Loose or missing bolts or fasteners. Check all bolts and fasteners.

Needle valve(s) in sequence valve plugged.

Marker folding linkage does not have enough slack to allow marker disk to drop into ﬁeld depressions.

Move assembly to properly position Y-tubes over row meters.

Raise or lower the tongue so center portion of frame is level with gauge wheel area.

circuit to Neutral or Float before operating switch.

must be set to Marker for markers to function. Set tractor remote circuit to Neutral or Float before changing valve.

Check all hose ﬁttings and connections for air or oil leaks.

Open needle valves, cycle markers slowly and reset needle valves, refer to page 56.

Maximum down ﬂoat should be limited by the slot at the rod end of the marker cylinder, refer to page 54.

Reverse marker disk to pull or throw dirt.

Auxiliary Hydraulics Inoperative

Hydraulic Hitch Won’t Stay Raised

Speed Reading Doesn’t Match Tractor

Marker/Fold switch set to Fold CFM Switch must be set to “Marker” for Aux to function. Set

tractor remote circuit to Neutral or Float before switching.

Marker/Aux valve set to Marker Selector valve must be set to Aux. Set tractor remote circuit

to Neutral or Float before changing valve.

Bypass valve is open at hitch Close valve.

Monitor speed reading will only match tractor with planter lowered

If speeds don’t agree during planting (with planter lowered), re-calibrate radar speed sensor with planter lowered. See page 151.

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Great Plains YP2425A Operator Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Operator Manual

Table of Contents

Important Safety Information

Look for Safety Symbol

Be Aware of Signal Words

Prepare for Emergencies

Be Familiar with Safety Decals

Wear Protective Equipment

Handle Chemicals Properly

Avoid High Pressure Fluids

Use A Safety Chain

Use Safety Lights and Devices

Keep Riders Off Machinery

Transport Machinery Safely

Shutdown and Storage

Tire Safety

Practice Safe Maintenance

Safety At All Times

Safety Decals

Danger: Crushing Hazard

Danger (in Spanish):

Danger: Electrocution Hazard

Warning: Pinch/Crush

Warning: Speed

Warning: High Pressure Fluid Hazard

Warning: Markers: Pinch/Crush

Caution: Read Operator Manual

Caution: Transport Locks

Caution: Tires Not A Step

Caution: Pressure and Torque

Introduction

Description of Unit

Intended Usage

Models Covered

Using This Manual

Document Family

Owner Assistance

Product Support

Preparation and Setup

Post-Delivery/Seasonal Setup

Pre-Planting Setup

Hitching Tractor to Planter

Hydraulic Hose Hookup

Current Style Color Coded Hose Handles

Older Style Hoses with Color Ties

Protecting Fan Hydraulic Motor Seals

Electrical Hookup

Hitching with 3-Point

Hitching with Hydraulic Tongue (Option)

Local Float on Hydraulic Tongue

Store Main Parking Stand

Raising/Lowering Tongue

Tank Cart Hitching

Fertilizer Connection Types

Making Fertilizer Connections

Heights and Leveling

Set Tongue Height

Checking Planter Leveling Side to Side

Center Section Level Check

Wing Leveling

Wing Leveling, Inboard End

Wing Leveling, Outboard End

Lock Up Fertilizer Drive

YP2425A serial number B1029G+

Operating Instructions

Pre-Start Checklist

Fold/Unfold Lock Overview

Unfolding the YP2425A Planter

Unfolding, Continued …

Raising/Lowering Planter

Local Float on Hydraulic Tongue

Raising Planter

Lowering Planter

Folding the YP2425A Planter

Folding, Continued …

Re-phasing Fold System