Read the operator’s 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!
27280
Cover illustration may show optional equipment not supplied with standard unit
Great Plains Manufacturing, Inc. providesthis publication “as is” without warranty of any kind, eitherexpressed 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.
The following are trademarks of Great Plains Mfg., Inc.: Application Systems, Ausherman, Land Pride, Great Plains
All other brands and product names are trademarks or registered trademarks of their respective holders.
07/09/2009401-226M
Great Plains Manufacturing, Incorporated Trademarks
Index ...................................................................... 123
401-226M07/09/2009
Great Plains Manufacturing, Inc.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.
!
!
!
!
DANGER
WARNING
CAUTION
Be Familiar with Safety Decals
▲ Read and understand “Safety Decals” on page 6, thor-
oughly.
▲ Read all instructions noted on the decals.
▲ Keep decals clean. Replace damaged, faded and illegible
decals.
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.
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911
2YP1225 and 1625Great Plains Manufacturing, Inc.
Wear Protective Equipment
▲ Wear protective clothing and equipment.
▲ Wear clothing and equipment appropriate for the job. Avoid
loose-fitting clothing.
▲ Because prolonged exposure to loud noise can cause hear-
ing impairment or hearing loss, wear suitable hearing protection such as earmuffs or earplugs.
▲ Because operating equipment safely requires your full
attention, avoid wearing entertainment headphones while
operating machinery.
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
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 chemi-
cal manufacturer.
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.
401-226M07/09/2009
Great Plains Manufacturing, Inc.3
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 driv-
ing on public roads.
Use lights and devices provided with implement
Transport Machinery Safely
Maximum transport speed for implement is 20 mph (32
kph). Some rough terrains require a slower speed. Sudden braking can cause a towed load to swerve and
upset.
▲ Do not exceed 20 mph (32 kph). 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.
A
▲ 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 break-
down on the road.
▲ Keep clear of overhead power lines and other obstructions
when transporting. Refer to transport dimensions under
“Specifications and Capacities” on page 118.
▲ Do not fold or unfold the planter while the tractor is mov-
ing.
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 nor-
mally do not play.
OFF
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4YP1225 and 1625Great Plains Manufacturing, Inc.
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.
OFF
▲ Remove all tools and unused parts from planter before
operation.
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.
401-226M07/09/2009
Great Plains Manufacturing, Inc.5
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 run-
ning.
▲ 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 hitch-
ing.
▲ Keep hands, feet and clothing away from power-driven
parts.
▲ Wear snug-fitting clothing to avoid entanglement with mov-
ing 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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6YP1225 and 1625Great 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 cor-
responding 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 planter, one total
838-266C
Red Reflectors
On the back of walkboard each end and on the backside
of each light mounting bar, four total
27287
27287
401-226M07/09/2009
Great Plains Manufacturing, Inc.7
838-265C
Amber Reflectors
On the left-hand wing by drive, two on each side of frame
when folded and two on the front of the light brackets,
seven total
21963
838-267C
Daytime Reflectors
On the back of walkboard each end and on the backside
of each light mounting bar, four total
818-590C
Danger: Crushing Hazard
On the hitch, one total.
838-599C (Option)
27287
27282
Warning: Electrocution Hazard
On marker section each end, two total
27283
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8YP1225 and 1625Great Plains Manufacturing, Inc.
818-339C
27282
Warning: High Pressure Fluid Hazard
On the tongue, one total
818-580C (Option)
Warning: Overhead Hazard
On marker section each end, two total
818-579C (Option)
Warning: Pinch/Shear Hazard
On marker section each end, two total
818-188C
27283
27283
Warning: Excessive Speed
On the tongue, one total
401-226M07/09/2009
27282
Great Plains Manufacturing, Inc.9
838-993C
Caution: Do Not Lock Up Row Units
Three on backside of each wing, six total
27291
818-078C
Caution: Read Operator Manual
On the tongue, one total
818-398C
Caution: Tires Not A Step
Above both tires, two total
27282
21963
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10YP1225 and 1625Great Plains Manufacturing, Inc.
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 from the
machine.
Description of Unit
The 30- and 40-foot Row Yield-Pro® Planters are pulltype planting implements for use in conventional till, minimum-till, or light no-till conditions.
Yield-Pro® Planters are outfitted with 25 Series, sidedepth-control row-units. Optional unit-mounted coulters
make it suitable for light to moderate no-till conditions
only. These Planters fold for transport.
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.
Covered Models
YP1225-123030-Foot, 12-Row, 30-Inch
YP1225-16TR3630-Foot, 16-Row (8 Twin), 36-Inch
YP1225-182030-Foot, 18-Row, 20-Inch
YP1225-231530-Foot, 23-Row, 15-Inch
YP1225-24TR30-Foot, 24-Row, (12 Twin) 30-Inch
YP1625-123640-Foot, 12-Row, 36-Inch
YP1625-163040-Foot, 16-Row, 30-Inch
YP1625-242040-Foot, 24-Row, 20-Inch
YP1625-24TR3640-Foot, 24-Row (12 Twin), 36-Inch
YP1625-311540-Foot, 31-Row, 15-Inch
YP1625-32TR40-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.
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.
IMPORTANT !
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.
401-226M07/09/2009
Great Plains Manufacturing, Inc.Introduction11
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 front face of the left wing rest, as shown.
Record your Yield Pro 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.
Figure 2
Serial Number Plate
27284
2. If you are still unsatisfied, seek out the owner or
general manager of the dealership.
For further assistance write to:
Product Support
Great Plains Mfg. Inc., Service Department
PO Box 5060
Salina, KS 67402-5060
07/09/2009401-226M
12YP1225 and 1625Great Plains Manufacturing, Inc.
Preparation and Setup
This section helps you prepare your tractor and planter
for use. Before using the planter in the field, you must
hitch the planter to a suitable tractor and level the planter.
Pre-Start Checklist
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 76.
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” on
page 118.
Protecting Hydraulic Motor Seals
Low Pressure (Case) Drain Connection
IMPORTANT !
Case Drain Hose must be attached prior to inlet and
return hoses being connected. Also, it must be
unhooked last to prevent damage to the fan motor.
1. Attach case drain hose to low pressure drain connection.
Note: Case drain hose must be hooked up first. Also, it
must be unhooked last to prevent damage to
hydraulic motor seals.
Great Plains hydraulic hoses are color coded. Hoses that
go to the same remote valve are marked with the same
color.
ColorHydraulic Function
WhiteFold/Marker
BlueLift/Tongue
OrangeFan
YellowHydraulic Drive
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.
IMPORTANT !
DO NOT hook case drain line to a “power-beyond
port”.
3. If the tractor has a limited number of remotes capable of continuous flow, use them for the hydraulic fan
and optional hydraulic drive. (See “Specificationsand Capacities” on page 118 for tractor requirements.)
401-226M07/09/2009
Figure 3
Plastic Hose Label
817-348C
17641
Great Plains Manufacturing, Inc.Preparation and Setup13
Hitching Tractor to Planter
!
DANGER
You may be severely injured or killed by being crushed
between the tractor and planter. Do not stand or place any
part of your body between planter and moving tractor. Stop
tractor engine and set park brake before attaching cables and
hoses.
!
WARNING
Escaping fluid under pressure can have sufficient pressure to
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
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.
1. If returning the planter to service from storage,
remove any grease used to protect cylinder rods.
3-Point Hitch
Refer to Figure 4
2. Connect your tractor 3-point to the planter 3-point
hitch. If using quick hitch be sure planter locks into
hitch securely.
3. Raise tractor 3-point just enough to relieve pressure
off of the parking stand.
IMPORTANT !
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.
4. Connect hydraulic hoses to tractor remotes. See
“Hydraulic Hose Hookup” on page 12
Hydraulic Tongue Hitch
Refer to Figure 5
1. Connect the hydraulic hoses for the tongue circuit.
This needs to be done before hitching in order to
raise and lower the tongue.
2. Set the tongue height to clear the drawbar, back the
tractor into alignment and pin the drawbar.
Figure 4
3-Point Hitching
27282
Figure 5
Hitching with Hydraulic Tongue
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14YP1225 and 1625Great Plains Manufacturing, Inc.
Either Hitch
3. Set the initial tongue height, using 3 point or cylinder
of hydraulic tongue. Distance, measured at top of
tongue tube is:
46in above ground level for YP12, or
42in above ground level for YP16.
4. Connect other hydraulic hoses to tractor remotes.
See “Hydraulic Hose Hookup” on page 12
5. Plug the planter light cable to the tractor.
6. Connect monitor lead to monitor harness.
7. Plug electric clutch cable to the switch control box
cable.
8. Plug Veris Drive cable to the cable from the precision
population controller.
Note: Switch control boxes should be mounted in your
tractor cab in a location with easy access. Route
wiring harnesses with enough slack to allow for
tractor movement, especially on articulating tractors.
1
1
Figure 6
Base Height
25316
Refer to Figure 7
9. Remove the lower pin holding the parking stand
3
. 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.
10. Adjust the top link of a 3-point long enough so the
ball swivel does not bottom out when fully raised.
11. Secure hoses so they do not get caught in ball
swivel. Failure to do so could cause hose to be
crushed requiring hose replacement.
2
4
4
3
2
Figure 7
Storing Parking Stand
22813
401-226M07/09/2009
Great Plains Manufacturing, Inc.Preparation and Setup15
Hydraulic Charge and Bleed
Normally the hydraulic system is fully charged and bled
at the factory before shipping. If repairs have been made,
substantial amounts of oil drained from the system, or
the following procedures do not correct a problem, see
“Bleeding Hydraulics” on page 70.
Lift Hydraulics
Bleeding should not be required other than to raise fully
and hold lever on for one minute or until all cylinders
extend fully. If this does
Cylinder Hydraulics
Bleeding should not be required other than to fold fully
and hold lever on for one minute or until all cylinders
reach the end of their stroke.
IMPORTANT !
Do not fold or unfold without first raising planter completely.
Leveling Frame Side-to-Side
All frame sections must be level to maintain even planting depth. Before using the planter in the field, follow
these steps to make sure the planter is level side-to-side.
Periodic frame-leveling adjustments should not be necessary, but if you are having problems with uneven
depth, check planter levelness and follow these procedures.
Before making any adjustments be sure the lift cylinders
are re-phased and operating properly.
Complete the steps under “Hydraulic Charge andBleed” on page 15, before proceeding.
Note: Level frame in planting conditions. Failure to do so
may result in machinery not producing desired results.
Refer to Figure 8
1. Unfold the planter fully and set down. Put in field
position by lowering and pulling forward.
2. When setting hitch, lower lift cylinders completely.
Set the 3-point hitch or hydraulic tongue so that the
top of the tongue tube is:
46in above ground for YP12, or
42in above ground for YP16.
This is the starting point for adjustments.
1
1
Figure 8
Base Height
IMPORTANT !
Planter must be fully lowered to field position and
hitch height must be set before making side-to-side
adjustments.
25316
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16YP1225 and 1625Great Plains Manufacturing, Inc.
Refer to Figure 9
3. If planting 1
1
⁄
in deep, adjust the hitch until frame
2
measures approximately 26in from ground to frame
at the pivots.When planting at other depths, frame
height will vary.
Note: Parallel arms should be parallel with ground or up
to 1in lower in back. Adjusting a 3-point hitch to level parallel arms may cause frame to sit higher or
lower than 26in.
4. Check parallel arms behind the pivots to ensure that
parallel arms are parallel with ground or up to 1in
lower in back. If needed, raise or lower the 3-point to
adjust parallel arms.
5. Once parallel arms are parallel with ground or up to
1in lower in back and 3-point is set, measure distance from ground to frame at the pivots.
Refer to Figure 10
6. Measure wings at gauge wheel. If not level with center of frame, adjust eye bolt accordingly.
Note: Eye-bolt adjustments are easier if the planter is first
lowered to the ground to remove some of the force
on the cylinder.
Figure 9
Frame Leveling
Figure 10
Eye Bolt Adjustment
23087
21930
401-226M07/09/2009
Great Plains Manufacturing, Inc.Preparation and Setup17
Wing Alignment
To check and adjust wing alignment:
1. Unfold planter, see “Unfolding the Planter” on page 22, and place a block ahead of each wing gauge wheel. Pull
planter forward against blocks to rock frames back.
Refer to Figure 11
2. Check for proper alignment by running a string line
across back of planter toward outer ends of wings.
For proper alignment, outside ends of wings (dimen-
sion A) should be 0-to(dimension B).
3. To adjust wing alignment, shorten or lengthen eye
bolts to change the length of the wing pull bar. Adjust
eye bolts in or out until dimension A is 0 to
1
greater than dimension B.
4. Be sure both wings are adjusted equally or the
planter will tend to pull sideways behind the tractor.
1
⁄
in ahead of inside ends
4
1
⁄
in
4
Note: Angle of wings is exaggerated for ease of clarifica-
tion.
1
Figure 11
1
21931
Box Alignment
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18YP1225 and 1625Great Plains Manufacturing, Inc.
Optional Monitor Mounting Plate
The Yield-Pro Planter® is supplied with an optional
mounting plate that may be used to mount the Point Row
Monitor, the Electro-hydraulic Control Valve, the Veris
Monitor, and the DICKEY-john® Monitor.
Refer to Figure 12
1. If equipped with Veris, remove suction cups and
mounting bracket from veris monitor. Keep suction
cups and bracket for reuse.
2. Attach large suction cup included with mounting
plate to the top hole on the plate using bolt and lock
washer.
3. If not equipped with Veris, skip this step and continue
with step 4. If equipped with Veris, using lock washers and nuts secure suction cups removed in step 1
to plate. Secure suction cups to holes directly above
the bottom two holes on the plate.
4. Place DICKEY-john® mounting bracket on mounting
plate. Secure bracket to plate in bottom two holes
directly below the suction cups. Use bolts and nuts to
install.
5. If equipped with Veris, attach Veris Drive mounting
bracket above DICKEY-john® mounting bracket
using the included bolts and nuts.
6. Remove mounting bracket from electro-hydraulic
valve control. Install mounting bracket to mounting
plate.
7. Attach point row monitor to mounting plate with 10-
5
32 x
⁄
machine screws, lock washers, and nuts. Let
8
wires fall in the front of the plate.
8. Secure electro-hydraulic valve control to mounting
bracket on plate using 10-32 x
5
⁄
machine screws,
8
lock washers, and nuts. Let wires fall in the front of
the plate.
9. Mount veris drive monitor to mounting bracket on
plate. Secure veris drive monitor to bracket using 1/
4-20 x
5
⁄
8
bolts,
1
⁄
in lock washers, and
4
1
⁄
-20 nuts.
4
Wires should fall in the front of the mounting plate.
10. Attach DICKEY-john® Monitor to DICKEY-john®
mounting bracket on plate. Thread monitor wires
through slot in plate. Trap all other wires between
DICKEY-john® monitor and mounting plate.
Point Row
Monitor
Electro-hydraulic
Valve Control
Figure 12
Optional Monitor Mounting Plate
Veris Drive
Monitor
DICKEY-john®
Monitor
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Great Plains Manufacturing, Inc.Operating Instructions19
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
!
WARNING
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings before
applying pressure. 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. Carefully read “Important Safety Information” on
page 1.
2. Lubricate planter as indicated under “Lubrication”
on page 76.
3. Check all tires for proper inflation. See “Tire Infla-tion” on page 118.
4. Check all bolts, pins and fasteners. Torque as shown
in “Torque Values Chart” on page 119.
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.
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20YP1225 and 1625Great Plains Manufacturing, Inc.
Folding the Planter
1
!
WARNING
Pinch Point and Crushing Hazard. To prevent serious injury or
death:
▲ 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 planter on level ground with tractor in neutral. If your
planter has markers, be certain they are folded.
IMPORTANT !
Center section of planter will move backward while folding. Allow at least 10ft of clearance behind the planter
when folding.
Figure 13
Selector Switch
21980
1. Switch drive line clutches off.
Refer to Figure 13
2. Set electronic valve selector switch in tractor to
“FOLD” to activate fold cylinder hydraulics.
3. Activate lift hydraulics. Raise planter until lift hydraulics are fully raised.
!
CAUTION
Be sure planter’s lift hydraulics are fully raised before folding
or machine damage WILL occur.
Refer to Figure 14
4. Fold planter until wings clear transport hooksby a
few feet.
!
CAUTION
Failure to keep the 3-point lowered while folding WILL result
in opener or seed delivery system damage.
5. Raise 3-point hitch to elevate wing hooks located
on the tongue above the wings.
6. Fold planter fully so wing locks can engage the
wing hooks.
Refer to Figure 15
7. Lower 3-point hitch to engage wing hooks so tongue
is carried on the wing locks. Allow hitch to float with
planter frame while transporting.
3
1
2
3
4
Figure 14
Transport Hooks
3
Figure 15
Wing Hook & Wing Lock
2
25030
4
22815
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401-226M07/09/2009
Great Plains Manufacturing, Inc.Operating Instructions21
Refer to Figure 17 and Figure 16
8. Remove lift cylinder transport lock channels from
their storage positions.
Figure 17
Transport Cylinder Lock Storage
Refer to Figure 17 and Figure 16
9. Place transport lock channels on lift cylinders
located on gauge wheels and on center frame.
Figure 19
Transport Cylinder Lock Use
27290
25028
Figure 16
Lift Cylinder Lock Storage
Figure 18
Lift Cylinder Lock Use
25029
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22YP1225 and 1625Great Plains Manufacturing, Inc.
Unfolding the Planter
1
!
WARNING
To prevent serious injury or death:
▲ 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.
Unfold planter on level ground with tractor in neutral.
1. Switch drive line clutches off.
Refer to Figure 20
2. Set electronic valve selector switch in tractor to
“FOLD” to activate fold cylinder hydraulics.
3. Activate lift hydraulics. Raise planter until lift hydraulics are fully raised.
!
CAUTION
Be sure planter’s lift hydraulics are fully raised before unfolding or machine damage WILL occur.
Refer to Figure 21
4. Raise 3-point hitch to release wing hooks.
5. The fold system uses rephasing cylinders. It is necessary to rephase cylinders so wing gauge wheels
run in their fully rotated positions in front of planter.
To rephase fold cylinders:
Move and hold lever in fold direction for 30 seconds.
This causes wings to push against the tongue trans-
port hooks.
Refer to Figure 22
6. Reverse fold lever until wings clear transport hooks
3
by a few feet.
7. Lower 3-point hitch to planting position. See page 13
and page 28 for correct hitch height and depth control settings.
2
1
Figure 20
Selector Switch
21980
2
Figure 21
Transport Hooks
25030
3
4
!
CAUTION
Failure to lower the 3-point before unfolding WILL result in
opener or seed delivery system damage.
8. Unfold planter fully to planting position.
Wing Hook & Wing Lock
401-226M07/09/2009
Figure 22
22815
27288
Great Plains Manufacturing, Inc.Operating Instructions23
Refer to Figure 16 through Figure 19 on page 21.
9. Remove lift cylinder transport lock channels from
gauge wheels and center frame. Return transport
lock channels to storage area.
10. Activate lift hydraulics and lower planter.
11. Set electronic valve selector switch in tractor to
“MARKER” to activate marker hydraulics.
1
12. Switch drive-line clutches on.
Changing the Seed Box or Hopper
1. Shut off fan before changing boxes.
2. Park the planter on level ground with enough room to
maneuver a tractor with front-end loader around it.
3. Place tractor in park, shut off engine, and remove the
key.
4. Close the slide gate.
Refer to Figure 23
5. Remove the walkboard lock pin.
1
Refer to Figure 24
6. Swing walkboard all the way to the right.
Note: If planter is lowered, walkboardwill stay open by
2
2
itself once fully opened.
Figure 23
Walkboard Lock Pin
24010
2
Figure 24
Walkboard Open
07/09/2009401-226M
24005
24YP1225 and 1625Great Plains Manufacturing, Inc.
Refer to Figure 25
7. Remove the pins restraining the seed box or bulk
hopper on the frame. (There are two lock pins one
each on diagonal corners).
Refer to Figure 26
Align the forks with the slots in the rear of the seed box or
hopper and slowly drive forward until forks are completely under the seed box or hopper.
Slowly lift the empty seed box or hopper from the planter.
Carefully install a full seed box or an empty hopper on
the planter. Install box restraining pins in opposite corners.
Figure 25
25036
Seed Box Pins
Note: Bulk hopper frame has two sets of lifting points.
One set is for normal loading and is tubes. The other set is to allow picking it up from the side for placing in storage near a wall.
IMPORTANT !
Never attempt to move a seed hopper while loaded. It
exceeds the lifting capacity of front end loaders and
most fork lifts. Always fill seed hopper with seed after it
has been securely placed back on the air box.
Note: It may be necessary to adjust the seal on top of air
box to get full contact with the bottom of seed box or
hoppers. This is a one-time adjustment.
8. Load the hopper with seed. If using a hydraulic auger
with the auxiliary hydraulic kit, refer to the instructions following.
9. Open the slide gate.
10. Return the ladder and platform to the closed position.
IMPORTANT !
Talc lubricant is mandatory for all seeds, especially
treated or inoculated seed when using the precision
meter. Do not use talc lubricant when using the finger
pickup meters. Use graphite lubricant with finger
pickup meters. Refer to “Seed Lubricants” on page
85.
Figure 26
25036
Fork-Lifting Seed Box
Using Auxiliary Hydraulic Circuit
The optional auxiliary hydraulic kit includes a manual
valve that diverts the marker hydraulic circuit to a pair of
quick-connect ports at the back of the seed cart.
1. Extend or fold any marker that is raised. Return the
cab control for that circuit to “off”.
2. Close any shut-off valve on your auger, and connect
the auger to the auxiliary quick-connect ports at the
back of the seed cart.
3. At the auxiliary selector valve (near marker
sequence valve on left wing), move the handle from
“Marker” to “Auxiliary”.
4. With no seed present, open the auger shutoff valve,
and operate the cab control to determine which setting (“extend” or “retract”) turns the auger in the correct direction for seed lift.
5. Load seed. Shutoff cab circuit, then auger. Return
Aux valve control handle to “Marker” position.
401-226M07/09/2009
Great Plains Manufacturing, Inc.Operating Instructions25
Pre-Usage Checklist
Use the following checklist as a guide to ensure the
planter is proper set before using. You may need to refer
to the assembly instructions, operator’s manual or the
Dickey-john manual to complete checklist.
MECHANICAL
❑1. Tongue height preset on 3-point.
❑2. Front to rear levelness.
❑3. End-to-end levelness at gauge wheels.
❑4. Toe in of wing frames at pull-bars.
❑5. Tongue hook latch operation.
❑6. Marker initial length.
AIR SYSTEM
❑ 7. Manifold to Pro-box or poly hopper seal.
❑ 8. Y-splitters turned on to correct rows.
9. Air leaks (small leaks from Pro-box are nor-
❑
❑
❑ 11. Cleanout doors closed at meters.
❑
mal.
10. Hose routings, no sags and no pinched
hoses. (Check both folded and field positions.)
12. Hoses fully connected to meters and
locked.
ROW CLEANERS
22. Check for correct installation of row clean-
❑
❑
❑
ers on all rows if equipped.
23. Check that row cleaners do not catch on
hydraulic hoses.
24. Carefully watch when folding planter the
first time to ensure clearance of row
cleaner.
FERTILIZER
25. Set rate drive sprockets for correct rate.
❑
❑26. Check for correct orifice plates.
❑
❑
❑
❑
(Note fertilizer rate is population dependent.
27. Check unused rows are correctly closed
off.
28. Fill system 1/2 full with water and check for
leaks (run pump is possible).
29. Disconnect drive chain if fertilizer is not
used.
30. Check all row unit lines are connected and
discharge nozzles or tubes are clear.
ROW-UNITS
13. Preset depth handles to 7 holes showing
❑
❑
❑
❑ 16. Check coulter alignment to row.
❑ 17. Check closing wheel alignment.
❑
❑
❑ 20. Lock up splitter rows if needed.
❑
07/09/2009401-226M
above “T”
14. Preset down force springs to 1st notch
(lightest) setting for most conditions, 2nd
notch otherwise.
15. Set all unit mounted coulters to same depth
as opener blades - no deeper.
18. Set closing wheels to first notch (light setting).
19. Check meter drive coupler is engaged for
all desired rows.
21. Check action and contact of side depth
wheels.
❑31. Field raise and lower.
❑32. Fold/unfold and tongue lock.
❑33. Markers.
❑34. Solenoid valve.
❑35. Fan direction and speed.
❑36. Veris drive (if equipped).
HYDRAULIC
26YP1225 and 1625Great Plains Manufacturing, Inc.
DRIVE
37. Check all chains are lubricated, proper ten-
❑
❑
❑39. Check contact wheel pressure.
❑
❑
❑
❑
❑
sion and move freely without kinks or tight
spots. (This is very important for even
metering.)
38. Set range & transmission sprockets for
desired rate.
40. Check action of contact wheel when raising and lowering it makes contact at
ground height.
41. For hydraulic drive set cal number for correct crop and row spacing.
42. For hydraulic drive pre-run system using
cal mode to verify proper hydraulic action.
43. Lubricate slider joints on drive shafts if not
already done.
44. Check operation of electric clutches for
point rows.
METERS
45. Correct meters for desired crop. (Precision
❑
❑
❑
❑
❑49. Check timing of meters in Twin Row corn.
❑50. Cleanout doors closed.
❑
❑
Finger Pickup or Singulator Plus.)
46. Correct seed wheels for desired crop.
(Wheels for planters are green in color, not
black.)
47. Seed wheels need to be fully seated in
meter.
48. Correct 12 finger or 6 finger units on all
rows for your row spacing. (Can be
checked by looking into cleanout door
opening.)
51. Meter assemblies properly secured in
place.
52. Graphite for Precision Finger Pickup
meters or Talc for Singulator Plus meters
(per manual).
ELECTRICAL
❑53. Power up monitor and check settings.
54. Power up and check hydraulic settings if
❑
❑
❑56. Check operation of lighting equipment.
not already done.
55. Check operation of selector valve for fold/
makers.
401-226M07/09/2009
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