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!
29618
Illustrations may show optional equipment not supplied with standard unit or may
depict similar YP1225 or YP1625 models where a topic is identical.
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.
2013-08-13CoverIndex195-325M
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,
Index ..........................................................................161
195-325MTable of ContentsIndex2013-08-13
Great Plains Manufacturing, Inc.Table of ContentsIndex1
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
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.
Use A Safety Chain (Hydraulic Hitch)
▲ 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 to permit turning.
▲ Replace chain if any links or end fittings are broken,
stretched or damaged.
▲ Do not use safety chain for towing.
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Great Plains Manufacturing, Inc.Table of ContentsIndexImportant Safety Information3
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.
Handle Chemicals Properly
▲ Read and follow chemical manufacturer’s instructions.
▲ Wear protective clothing.
▲ Handle all chemicals with care.
▲ Agricultural chemicals can be dangerous. Improper use can
seriously injure persons, animals, plants, soil and property.
▲ Inhaling smoke from any type of chemical fire is a serious
health hazard.
▲ Store or dispose of unused chemicals as specified by the
chemical manufacturer.
▲ Before adding chemical to the tank, make sure tank is at
least half full. Do not pour concentrate into an empty tank.
▲ Never leave fill hose attached to the sprayer after filling
tank. Chemicals in tank can siphon out of tank and
contaminate freshwater source.
▲ Immediately and thoroughly flush any area of the body that
is contaminated by chemicals.
▲ Do not touch plumbing components with mouth or lips.
▲ If chemical is swallowed, carefully follow the chemical
manufacturer’s recommendations and consult with a doctor.
▲ If persons are exposed to a chemical in a way that could
affect their health, consult a doctor immediately with the
chemical label or container in hand. Any delay could cause
serious illness or death.
▲ Dispose of empty chemical containers properly. By law
rinsing of the used chemical container must be repeated
three times. Puncture the container to prevent future use. An
alternative is to jet-rinse or pressure rinse the container.
▲ After working with chemicals, wash hands and face before
eating. Shower when application is completed for the day.
▲ Never wash out the tanks within 100 feet (30m) of any
freshwater source or in a car wash.
▲ Rinse out the tank. Apply rinse water on last field treated.
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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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
Transport Machinery Safely
Maximum transport speed for implement is 20 mph
(32 km/h). Some rough terrains require a slower speed.
Sudden braking can cause a towed load to swerve and
upset.
▲ Do not exceed 20 mph (32 km/h). Never travel speeds which
do 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 124.
▲ 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 key.
▲ 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.
401-625MTable of ContentsIndex2013-08-13
Great Plains Manufacturing, Inc.Table of ContentsIndexImportant Safety Information5
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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6YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
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.
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.
818-055C
Slow Moving Vehicle Reflector
On the back of the planter, walkboard center;
1 total
See “Transporting” on page 28.
838-266C
Red Reflectors
On the back of seed frame each end,
and on the rear face of each light mounting bar;
4 total
29503
29503
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Great Plains Manufacturing, Inc.Table of ContentsIndexImportant Safety Information7
838-265C
Amber Reflectors
One each on rear face of wing tool bar at wing lock,
one each on front face of light bars;
4 total
29622
838-267C
Daytime Reflectors
On the back of seed frame, inside red reflectors,
on the rear face of the light bar;
4 total
818-590C
Danger: Crushing Hazard
On the hitch, one total.
See “Hitching Tractor to Planter” on page 14.
29503
29622
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8YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
838-599C (Option)
Danger: Electrocution Hazard
On marker section each end, two total.
See “Marker Operation” on page 44.
29622
818-045C
Warning: Pinch-Crush
Above both tires, two total
818-339C
Warning: High Pressure Fluid Hazard
On the tongue, one total
See “Hydraulic Hose Hookup” on page 14.
818-580C (Option)
29622
29622
Warning: Overhead Hazard
On marker section each end, two total
See “Marker Operation” on page 44.
401-625MTable of ContentsIndex2013-08-13
29622
Great Plains Manufacturing, Inc.Table of ContentsIndexImportant Safety Information9
818-579C (Option)
Warning: Pinch-Shear Hazard
On marker section each end, two total
See “Marker Operation” on page 44.
29622
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: Excessive Speed
On the tongue, one total
See “Transporting” on page 28.
818-188C Rev. C
29622
818-398C
Caution: Tires Not A Step
Above both tires, two total
In transport configuration, wing gauge wheels are off the
ground and free to spin. In field configuration, at higher
row unit down-forces, wing gauge wheels may have little
or no ground traction.
29622
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10YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
818-578C
CAUTION
To Avoid Injury or Machine Damage from improper Tire
Inflation or Torquing of Wheel Bolts:
Maximum inflation pressure of tires is 65 psi.
Torque wheel bolts to 240 lb-ft.
Caution: Tire Pressure
On hubcap side rim of each gauge wheel;
2 total
838-995C
818-578C
34547
Caution: General
On right side of hitch;
1 total
858-011C
CAUTION
To Avoid Injur y or Machine Damage from Improper Tire
Inflation or Torquing of Wheel Bolts:
Maximum inflation pressure of tires is 49 psi (338 kPa).
Torque wheel bolts to 315 ft-lb (427 N-m).
Warning: Tire Pressure
On outside rim of each main transport wheel;
2 total
858-011C
29622
34548
401-625MTable of ContentsIndex2013-08-13
Great Plains Manufacturing, Inc.Table of ContentsIndex11
Introduction
Great Plains welcomes you to its growing family of new
product owners. This planter has been designed with
care and built by skilled workers using quality materials.
Proper setup, maintenance, and safe operating practices
will help you get years of satisfactory use.
Description of Unit
The 30- and 40-Foot 2-Section Yield-Pro® Planters are
pull-type planting implements for use in conventional till,
minimum-till, or light no-till conditions.
Yield-Pro® Planters have 25 Series, side-depth-control
row-units and Air-Pro
unit-mounted coulters are suitable for light to moderate
no-till conditions only. The planter folds for transport.
Intended Usage
Use the 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 planter.
®
seed meters. Optional
R
Figure 1
Left/Right Convention
L
27281
Document FamilyCovered Models
401-625MOperator Manual (this manual)
401-625BSeed Rate Manual
401-625PParts Manual
DICKEY-john®IntelliAg® manuals:
110011508Planter/Drill Control, User Level 1
110011501Planter/Drill Control, User Level 2&3
110011440A1 & AI-100 10-inch Virtual Terminal
110011606AI-120 12-inch Virtual Terminal
DICKEY-john® Quick Start Guides
110011526YP1225A-1230 12 Row 30-Inch
110011591YP1225A-1820 18 Row 20-Inch
110011590YP1225A-2315 23 Row 15-Inch
110011592YP1225A-24TR 24 Twin Row 30-Inch
110011593YP1225A-16TR36 16 Twin Row 30-Inch
110011602YP1625A-1236 12 Row 36-Inch
110011527YP1625A-1630 16 Row 30-Inch
110011603YP1625A-1670 16 Row 70 cm
110011601YP1625A-2420 24 Row 20-Inch
110011605YP1625A-24TR36 24 Twin Row 36-Inch
110011600YP1625A-3115 31 Row 15-Inch
110011604YP1625A-32TR 32 Twin Row 30-Inch
YP1225A-123030-Foot, 12-Row, 30-Inch
YP1225A-16TR36 30-Foot, 16-Row (8 Twin), 36-Inch
YP1225A-182030-Foot, 18-Row, 20-Inch
YP1225A-231530-Foot, 23-Row, 15-Inch
YP1225A-24TR30-Foot, 24-Row, (12 Twin) 30-Inch
YP1625A-123640-Foot, 12-Row, 36-Inch
YP1625A-163040-Foot, 16-Row, 30-Inch
YP1625A-167012-Meter, 16-Row, 70cm
YP1625A-24TR36 40-Foot, 24-Row, 20-Inch
YP1625A-242040-Foot, 24-Row (12 Twin), 36-Inch
YP1625A-311540-Foot, 31-Row, 15-Inch
YP1625A-32TR40-Foot, 32-Row (16 Twin), 30-Inch
Using This Manual
This manual familiarizes 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.
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12YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
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.
R
F
U
B
L
D
A crucial point of information related to the preceding topic.
Read and follow the directions provided before continuing, to
ensure safety, avoidance of machine damage, and to achieve
desired field results.
Note: Useful information related to the preceding topic.
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 planter’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 rear face of the right axle.
Record your 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:
U
L
B
F
R
D
Figure 2
Serial Number Plate
Product Support
Great Plains Mfg. Inc., Service Department
PO Box 5060
Salina, KS 67402-5060
27284
401-625MTable of ContentsIndex2013-08-13
Great Plains Manufacturing, Inc.Table of ContentsIndex13
Preparation and Setup
This section helps you prepare your tractor and planter
for use. Before using the in the field, you must hitch the
planter to a suitable tractor and level the planter.
Initial Setup
If the planter has just been delivered, or broken down for
re-shipment, these items need to be completed prior to
first field use:
•“Hydraulic Charge and Bleed” on page 146, which
includes:
•“Console Installation” on page 146
•“Level Planter” on page 147, and
•“Marker Setup” on page 150.
You may also need to install features, options and
accessories that were not factory- or dealer-installed.
Pre-Planting Setup
The balance of this section covers items that need to be
completed or checked prior to each field use of the
planter.
1. Read and understand “Important Safety
Information” on page 1.
2. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
3. Check that all grease fittings are in place and
lubricated. See “Lubrication” on page 104.
4. Check that all safety decals and reflectors are
correctly located and legible. Replace if damaged.
See “Safety Decals” on page 6
5. Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Tire Inflation Chart”
on page 127.
6. If returning the planter to service from storage,
remove any grease used to protect cylinder rods.
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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 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.
Hydraulic Hose Hookup
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
ColorHydraulic Function
GrayFold/Marker
BlueLift/Tongue
BlackFan
YellowHydraulic Drive (Option)
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
31733
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Great Plains Manufacturing, Inc.Table of ContentsIndexPreparation and Setup15
Older Style Hoses with Color Ties
Refer to Figure 4
Great Plains hydraulic hoses are color coded. Hoses that
go to the same remote valve are marked with the same
color tie.
ColorHydraulic Function
WhiteFold/Marker
BlueLift/Tongue
OrangeFan
YellowHydraulic Drive (Option)
To distinguish hoses on the same hydraulic circuit, refer
to plastic hose label. Hose under extended-cylinder
symbol feeds cylinder base ends. Hose under
retracted-cylinder symbol feeds cylinder rod ends.
Protecting Hydraulic Motor Seals
Low Pressure (Case) Drain Connection
7. Attach case drain hose to low pressure drain
connection.
8. Connect low pressure return hose to low pressure
return connector.
9. If the tractor has a limited number of remotes
capable of continuous flow, use them for the
hydraulic fan and optional hydraulic drive. (See
“Specifications and Capacities” on page 124 for
tractor requirements.)
Figure 4
Older Style Hoses w/Label
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.
27270
Hydraulic Motor Performance Risk:
DO NOT hook case drain line to a “power-beyond port”.
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3-Point Hitch
Refer to Figure 5
10. Connect your tractor 3-point to the planter 3-point
hitch. If using quick hitch be sure planter locks into
hitch securely.
11. Raise tractor 3-point just enough to relieve pressure
off of the parking stand.
12. Store 3-point stands. There are two methods:
1
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.
13. Connect hydraulic hoses to tractor remotes. See
“Hydraulic Hose Hookup” on page 14
2
Hitching with Hydraulic Tongue (Option)
Refer to Figure 6 (showing bypass valve closed)
1. Move the tractor to near hitching position.
2. 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 HoseHookup” on page 14. Allow slack for hitch
movements. Close the tongue cylinder bypass valve.
3. Make electrical connections for at least the planter
monitor circuit (necessary to control planter hydraulic
systems). See page 17.
4. Check that hitch local bypass valve is closed.
Refer to Figure 7
5. Set the cab CFM (Clutch Folding Module) Lift/Hitch
switch to Hitch.
6. 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.
Local Float on Hydraulic Tongue
Refer to Figure 6
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 valveon the
tongue cylinder. This provides local floating capability at
the tongue.
2
3
3
OPEN
3
CLOSED
Hitching with Hydraulic Tongue
2
Figure 5
3-Point Hitch Stands Stored
Figure 6
Figure 7
CFM for Hydraulic Hitching
1
29732
28477
2
28483
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Great Plains Manufacturing, Inc.Table of ContentsIndexPreparation and Setup17
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.
h
Hitching with Either Hitch
7. Set the initial tongue height, using 3 point or cylinder
of hydraulic tongue. Distance, measured at top of
tongue tube is:
46 inches (117 cm) above ground level for YP12, or
42 inches (107 cm) above ground level for YP16.
Additional planter leveling information is found on
page 147.
8. Connect other hydraulic hoses to tractor remotes.
See “Hydraulic Hose Hookup” on page 14
h
Figure 8
Base Height
25316
Electrical Hookup
Refer to Figure 9
Your planter is equipped with two standard systems
requiring separate electrical connections. You may also
have optional equipment requiring additional
connections.
Make sure tractor is shut down with accessory power off
before making connections.
These connections may be made in any order. The key
requirement is that all connections be made prior to
planter movement.
9. Plug the planter light cable to the tractor.
10. Connect monitor lead to monitor harness. (See
page 146 for console installation.)
11. Connect any optional harnesses.
1
2
Figure 9
Connector Identification
1
2
25236
25237
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18YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
Store Main Parking Stand
Refer to Figure 10
12. Remove the lower pin holding the parking
7
stand. Swing the parking stand back and up until it
is above the rear hole. Place the holding pin in the
rear hole and allow the parking stand to rest on it.
This will be the transport position for the parking
stand.
13. Adjust the top link of a 3-point long enough so the
ball swivel does not bottom out when fully raised.
14. Secure hoses using hose post loops (not shown) so
that hoses have ample slack for lifts and turns, but
cannot get caught in tongue lock or ball swivel.
Failure to do so could cause hose to be crushed
requiring hose replacement.
15. If equipped with hydraulic hitch option, connect
safetychainto a suitable anchor point on the tractor.
5
6
6
7
Storing Parking Stand
5
Figure 10
22813
Lock Up Fertilizer Drive
YP1225A serial number B1059E+
YP1625A serial number B1106F+
Loss of Control and Sharp Object/Crushing Hazards:
Do not lift or lower wheel by spoke or rim; use handle only.
Keep legs and 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 11
For YP1225A and YP1625A planters:
16. Remove clevis pin from storage hole.
17. Release the lock arm, lift handle to lift ground
wheel up to position it in-between lock arm.
18. Secure with pin clevis and cotter pin.
57
6
4
5
4
7
Locked Up Fertilizer Drive
6
Figure 11
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Great Plains Manufacturing, Inc.Table of ContentsIndex19
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
1. Carefully read “Important Safety Information” on
page 1.
2. Lubricate planter as indicated under “Lubrication”
on page 104.
3. Check all tires for proper inflation. See “TireInflation Chart” on page 127.
4. Check all bolts, pins and fasteners. Torque as shown
in “End of “Appendix A - Reference Information”.”
on page 140.
5. Check planter for worn or damaged parts. Repair or
replace parts before going to the field.
6. Check hydraulic hoses, fittings and cylinders for
leaks. Repair or replace before going to the field.
7. Be sure hydraulic hoses are securely held out of the
ball swivel area at hitch. Failure to do so could cause
hoses to pinch requiring hose replacement.
High Pressure Fluid Hazard:
Check all hydraulic lines and fittings before applying pressure.
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Fluid escaping from a very small hole can
be almost invisible. Use paper or cardboard, not body parts,
and wear heavy gloves to check for suspected leaks. If an accident occurs, seek immediate medical attention from a physician familiar with this type of injury.
1
4
Wing Lock Overview
Refer to Figure 12 and Figure 13
The YP1225A & YP1625A planters include four sets of locks for the frame and wings:
1. Transport hooks behind the wing pivots:
These prevent the planter frame from fully lowering
when folded. The planter frame is raised to allow the
wings to clear the hooks. See page 20 and 26.
2. Wing locks at mid-tongue and inside wing casters:
These prevent the planter from unfolding while in
transport. The tongue (hitch) is raised to allow the
hooks to clear the locks. See page 21 and 26.
3. Transport lock channels at wing caster cylinders:
These lock channels prevent the frame from fully
lowering during transport and maintenance. They
are installed prior to folding, and removed after
unfolding. See page 22 and 26.
4. Lift cylinder lock channels above frame pivots:
These lock channels are only required during
maintenance. However, if installed, they must be
removed after unfolding. See page 22 and 89.
3
Lift Locks and Transport Hook
2
Wing Lock and Transport Locks
Figure 12
Figure 13
29734
3
29735
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20YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
Unfolding The Planter
The distance between the tractor and the seed structure
decreases by about 10 feet (3 m) during unfolding.
Planter, tractor, or both will move during this operation.
Crushing, Pinch-Point and Overhead Hazards:
To prevent serious injury or death:
▲ Unfold only on hard level ground. Allow ample room.
▲ Allow no one 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 during unfold. The seed structure
usually moves forward during unfolding.
▲ Do not unfold with planter lowered.
▲ Unfold only with markers resting in transport cradles.
▲ Unfold only if hydraulics are bled free of air and fully
charged with hydraulic oil.
Prepare Hitched Tractor and Planter
1. Move planter to level ground.
2. If tractor movement is not desired, put tractor in Park
and/or set parking brakes, or telescoping movement
of planter may cause tractor to move backward.
3. On the CFM (Clutch Folding Module), set the
following switches to OFF (down):
MASTER switch and Fert.Pump.
12
Prepare Transport Hooks
Refer to Figure 15
The transport hooks, behind/above wing pivots,
prevent the frame from fully lowering when the planter is
fully folded. To clear the hooks, the frame is fully raised.
Refer to Figure 14
4. Set CFM Lift/Hitch switch to “Lift” to enable lift
cylinder hydraulics.
5. Set CFM Marker/Fold switch to “Fold” to enable
fold cylinder hydraulics.
6. Activate lift hydraulics. Raise planter until lift
hydraulics are fully raised. This raises the wing
frames above the hooks.
65
5
3
4
2
1
4
Figure 14
CFM for Unfold
3
28484
6
5
Figure 15
Planter Damage Risk:
Be sure planter’s lift hydraulics are fully raised before
unfolding or frame and/or hook damage WILL occur.
401-625MTable of ContentsIndex2013-08-13
Transport Hook
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Great Plains Manufacturing, Inc.Table of ContentsIndexOperating Instructions21
Release Wing Locks
Refer to Figure 17
A pair of inverted hooks on the tongue tube engage
8
locks on each wing when the planter is folded.
Prior to unfolding, this lock system must be released by
raising the tongue.
7. This step is slightly different depending on hitch type.
Release Wing Lock with 3-Point Hitch
a. Raise the 3-point hitch to disengage the wing
lock. Continue at step 8.
Release Wing Lock with Hydraulic Hitch
Refer to Figure 16
a. Set CFM Lift/Hitch switch to Hitch.
b. Raise hydraulic tongue to disengage wing lock.
7
6
Figure 16
CFM: Wing Unlock
(Hydraulic Hitch Only)
6
28483
Re-Phase Fold Cylinders
8. The fold system uses re-phasing cylinders. It is
necessary to re-phase cylinders so wing gauge
wheels run in their fully rotated positions in front of
planter. To re-phase fold cylinders:
Move and hold lever for Marker/Fold in Fold direction
(typically Extend) for 30 seconds. This causes wings
to push against the tongue transport hooks.
7
Partially Unfold
Refer to Figure 17
9. Reverse fold circuit lever until wings clear transport
hooks by a few feet.
7
Lower Tongue
10. Lower 3-point hitch or hydraulic tongue to planting
position. See page 17 and page 147 for correct hitch
height and depth control settings. If hydraulic tongue,
set CFM Lift/Hitch switch to Lift.
6
7
8
Figure 17
Wing Hook & Wing Lock
22815
27288
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22YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
Fully Unfold
Refer to Figure 18
11. Unfold the planter fully to planting position. Unfolding
is complete when the large roller bushing on top of
the tongue is engaged by the tongue safety latch.
Planter Damage Risk:
Failure to lower the tongue before unfolding WILL result in
opener or seed delivery system damage. Press wheel assembly
components can strike air system components near the air box
manifold.
9
9
Planter Damage Risk:
Do not plant if the tongue latch is not fully down over the
roller. Frame and opener damage is likely if the planter is
operated with the latch open.
Remove and Store Transport Locks
The planter needs to still be in full lift to remove these
locks.
Remove/Store Center Lift Locks
Refer to Figure 19
12. Remove lock channels from vertical cylinders
above pivots.
Refer to Figure 19 and Figure 20
13. Store lock channels horizontally on tabs at top
right side of lift cylinder weldment.
1
2
Figure 18
Tongue Latch Engaged
28488
2
2
1
Figure 19
Frame Lift Locks
29738
2
Figure 20
Lift Cylinder Lock Stored
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Great Plains Manufacturing, Inc.Table of ContentsIndexOperating Instructions23
Remove/Store Caster Lift Locks
Refer to Figure 21
14. Remove transport lock channelsfrom lift cylinders
located on gauge wheels.
3
3
4
Refer to Figure 21 and Figure 22
15. Transfer lift cylinder transport lock channels to
their storage positions.
4
3
Unfold Closeout
16. As appropriate for the next planned activity, activate
lift hydraulics and lower planter.
17. To disable fold hydraulics, and lock caster armsa in
field position, set CFM Marker/Fold switch to
“Marker”.
Note: Set switch to “Marker” even if Markers are not
installed. This switch position disables all fold
solenoid valves.
5
Figure 21
Caster Lift Cylinder Lock
29737
3
4
Figure 22
Transport Cylinder Lock Storage
27290
5
Figure 23
CFM After Unfold
28485
a. YP1125A s/n A1154K+ and YP1625A s/n A1172B+
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24YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
Raising/Lowering Planter
The planter mainframe raises and lowers independently
of the tongue.
• The planter may be fully raised at any time (and must
be raised for folding).
• The planter may be lowered onto its transport lock
channels at any time.
• The planter may be fully lowered, with lock channels
removed, only when unfolded.
Refer to Figure 24
The CFM “CLUTCH” switch positions are not shown
because they normally require no attention during lift or
lower. Lifting the planter automatically disengages the
entire drive system.
The “Fert.Pump” switch has no function on YP1225A
& YP1625A planters as shipped by Great Plains because
the optional fertilizer system for these planters uses a
ground-drive pump that has no electrical control.
Leave or set the CFM Marker/Fold switch in “Marker”
position to prevent unintended folding.
1
2
Figure 24
CFM for Lift/Lower
If your planter has an aftermarket pumping system
compatible with the IntelliAg® system, the “Fert.Pump”
switch may require operator attention during lift/lower.
1
2
3
28485
Raising Planter
The planter may be raised at any time.
1. Set the CFM “Lift/Hitch” switchto Lift to enable the
lift cylinder circuit.
2. Move the Lift/Hitch circuit lever to extend the lift
cylinders.
3. Set the circuit to Neutral to hold the planter at lift.
The switch may be left in the “Lift” position.
4. Install lock channels if raising for transport, parking,
storage, adjustments or maintenance.
3
3
Lowering Planter
If lock channels are installed, the planter may be lowered
at any time. if lock channels are not installed, lower only
when unfolded, such as for field turns.
Install lock channels (page 23) as appropriate for next
activity.
1. Set the CFM “Lift/Hitch” switchto Lift to enable the
lift cylinder circuit.
2. Move the Lift/Hitch circuit lever to retract the lift
cylinders until settled on lock channels or fully
lowered to ground.
3. Set the lift circuit to Neutral for field operation. The
switch may be left in the “Lift” position.
3
3
Lowering Planter Hazard:
Use transport locks. A raised planter slowly lowers when held
up solely by circuit neutral. Anyone beneath the row units
could be trapped and injured. Rely on circuit neutral to hold
the planter raised only for brief periods, such as field turns
and during lock channel installation. Use lock channels at all
other times.
Note: After every few hours of operation (or earlier, if
uneven lift is observed), re-phase the lift circuit.
At a lift operation, hold the circuit in Extend for
30 seconds.
Crushing Hazard:
Keep all persons away from frame sections during lift and
lower. Area under row units is particularly dangerous. Sharp
coulter and opener blades descend with hundreds of pounds of
down-force.
Note: Unless lock channels are installed, lower the
planter only when fully unfolded. Lowering when
folded is prevented by the transport locks.
401-625MTable of ContentsIndex2013-08-13
Great Plains Manufacturing, Inc.Table of ContentsIndexOperating Instructions25
Re-phasing Lift System
Over a period of normal use the cylinders may get out of
phase. This will cause some planter sections to run
higher than others. If this is the case, it will be necessary
to re-phase lift cylinders.
Note: Lift cylinders can only be re-phased when planter is
unfolded.
To re-phase cylinders:
1. Raise the implement completely and hold the
hydraulic remote lever on for several seconds until all
cylinders are fully extended. Do this every 8 to
10 times you raise planter out of ground.
2. When all cylinders are fully extended, momentarily
reverse hydraulic remote lever to retract system
1
⁄2inch to maintain levelness.
Folding the Planter
The planter must be raised for folding. The tongue is
raised and lowered during the sequence.
The distance between the tractor and the seed structure
increases by about 10 feet (3 m) during folding. Planter,
tractor, or both will move during this operation.
Pinch Point and Crushing Hazard:
To prevent serious injury or death:
▲ Fold only with planter raised and lock channels installed.
▲ Fold only if hydraulics are bled free of air and fully charged
with hydraulic oil.
▲ Stay away from frame sections when they are being raised
or lowered.
▲ Keep away and keep others away when folding or unfolding
planter.
▲ Fold markers onto cradles before folding planter.
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26YP1125A & YP1625ATable of ContentsIndexGreat Plains Manufacturing, Inc.
Shut off Fan and Hydraulic Drive
1. Set circuit levers for seed box fan and optional
hydraulic meter drive to Neutral.
Set Tractor and Tongue
2. Raise and move planter to a level area.
3. If tractor movement during folding is not desired, put
tractor in Park and/or set parking brake.
4. This step is slightly different depending on hitch type:
Prepare 3-Point Hitch for Fold
a. Fully lower 3-point hitch. Continue at step 5.
Figure 25
CFM: Prepare Hitch for Fold
1
28487
Prepare Hydraulic Hitch for Fold
Refer to Figure 25
a. Set CFM Lift/Hitch switch to “Hitch”.
b. Retract hitch cylinder to fully lower tongue.
1
Raise Planter
Refer to Figure 26
5. Set CFM Lift/Hitch switch to “Lift”.
6. Activate circuit lever to extend lift cylinders until
planter is fully raised.
7. Set circuit to Neutral to hold at lift.
8. On hydraulic hitch, return switch to “Hitch”.
9. Put tractor in Park and/or set parking brake, and shut
off tractor.
2
2
Install Lock Channels
Only wing (gauge wheel) lock cylinders need to be
installed for transport. The center is adequately
supported by the wing hooks and locks when folded.
For servicing, or to hold at lift when unfolded, also install
center section lift locks (see page 89)
Refer to Figure 27
10. Remove lift cylinder transport lock channels from
their storage positions.
11. Place transport lock channels on lift cylinders
located on gauge wheels.
Equipment Damage Risk:
Tongue must be lowered at start of fold to ensure that press
wheel assemblies remain clear of air system.
2
Figure 26
CFM: Raise Planter
28484
Figure 27
Transport Cylinder Lock in Use
401-625MTable of ContentsIndex2013-08-13
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