GREAT PLAINS Yield-Pro Air-Pro YP2425A User manual

Manufacturing, Inc.
www.greatplainsmfg.com
© Copyright 2019 Printed 2019-06-11 401-626M
EN
Table of Contents Index
Table of Contents Index
ORIGINAL INSTRUCTIONS
Operator Manual
YP2425A
60 Foot Yield-Pro®Planter
with Air-Pro®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!
Illustrations may show optional equipment not supplied with standard unit or
may depict similar models where a topic is identical.
29711

Machine Identification
Record your machine details in the log below. If you replace this manual, be sure to transfer this information
to the new manual.
If you or the dealer have added options not originally ordered with the machine, or removed options that were
originally ordered, the weights and measurements are no longer accurate for your machine. Update the
record by adding the machine weight and measurements with the option(s) weight and measurements.
Dealer Contact Information
Model Number
Serial Number
Machine Height
Machine Length
Machine Width
Machine Weight
Year of Construction
Delivery Date
First Operation
Accessories
Name:
Street:
City/State:
Telephone:
Email:
Dealer’s Customer
No.:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

YP2425A Cover Index Table of Contents
Great Plains | 401-626M | 2019-06-11 Cover Index iii
© Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 All rights Reserved
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.
Trademarks of Great Plains Manufacturing, Inc. include: AccuShot, Max-Chisel, Row-Pro,
Singulator Plus, Short Disk, Swath Command, Terra-Tine, Ultra-Chisel, and X-Press.
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, Whirlfilter, and 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
Table of Contents
Important Safety Information.................................................1
Safety Decals ....................................................................6
Introduction...........................................................................13
Description of Unit ...........................................................13
Intended Usage ........................................................13
Models Covered ..............................................................13
Document Family .....................................................13
Using This Manual...........................................................13
Definitions.................................................................13
Owner Assistance............................................................14
Further Assistance...........................................................14
Preparation and Setup .........................................................15
Post-Delivery/Seasonal Setup.........................................15
Pre-Planting Setup ..........................................................15
Hitching Tractor to Planter...............................................16
Hydraulic Hose Hookup............................................16
If Weight Transfer is Installed...................................16
Color Coded Hydraulic Hoses..................................17
Protecting Fan Hydraulic Motor Seals......................17
Electrical Hookup .....................................................18
Hitching with 3-Point.................................................18
Hitching with Hydraulic Tongue (Option)..................19
Store Main Parking Stand ........................................20
Raising/Lowering Tongue.........................................20
Tank Cart Hitching...........................................................21
Making Fertilizer Connections ..................................21
Heights and Leveling .......................................................22
Set Tongue Height ...................................................22
Checking Planter Leveling Side to Side ...................22
Center Section Level Check.....................................23
Wing Leveling ..................................................................23
Wing Leveling, Inboard End .....................................23
Wing Leveling, Outboard End ..................................23
Lock Up Fertilizer Drive ...................................................24
Operating Instructions .........................................................25
Pre-Start Checklist...........................................................25
Fold/Unfold Lock Overview..............................................25
Unfolding the YP2425A Planter.......................................26
Raising/Lowering Planter.................................................28
Raising Planter .........................................................29
Lowering Planter ......................................................29
Folding the YP2425A Planter ..........................................30
Rephasing Fold System ...........................................32
Lift Cylinder Lock-Up ................................................32
Rephasing Lift System .............................................32
Transporting the Planter ..................................................33
Transport Checklist ..................................................34
Loading Materials ............................................................35
82 Bushel Hopper Operation....................................35
Adding Seed to 82 bu. Hopper.................................35
Changing the Seed Box or 82 bu. Hopper ...............36
Auxiliary Hydraulics .........................................................38
Operating Auxiliary Hydraulics .................................38
Marker Operation ............................................................39
Marker Unfold (one side)..........................................40
Row Marker Operation .............................................40
Folding the Markers .................................................40
Unusual Marker Operations .....................................40
Electric Clutch Operation.................................................41
Clutch Switch Coverage...........................................41
Electric Clutch Lock-Up............................................41
Swath Command™ Clutch Operation .............................42
Air System Operation ......................................................43
Air System Overview................................................44
Y-Tubes...........................................................................46
Weight Transfer Operation (Option) ................................47
Monitor Operation............................................................47
Fertilizer Systems Overview............................................48
Trailer Operations............................................................51
Fertilizer Systems Operation ...........................................51
Hydraulic Fertilizer Pump .........................................51
Ground Drive Pump Operation.................................52
AccuShot System (Option)..............................................52
Field Set-Up Checklist.....................................................52
Field Operation................................................................55
Short-Term Parking .........................................................56
Long-Term Storage .........................................................57
Storage: Fertilizer Option .........................................57
Adjustments..........................................................................58
Setting Material Rates .....................................................59
Planting Rate............................................................59
Hydraulic Pump Fertilizer Rate ................................59
Ground Drive Pump Fertilizer Rate ..........................59
Gauge/Transport Wheel Adjustments .............................60
Marker Adjustments ........................................................60
Marker Disk Adjustment ...........................................61
Marker Extension .....................................................61
Marker Gauge Wheel Adjustment............................62
Marker Chain Length Adjustment.............................62
Dual Marker Speed Adjustment ...............................63
Height Switch Adjustment ...............................................64
Fan and Meter Pressurization Adjustment ......................65

YP2425A Cover Index Table of Contents
Great Plains | 401-626M | 2019-06-11 Cover Index iv
Fine-Tuning Meter Pressurization ............................67
Seed Delivery Fan Adjustments ...............................67
Frame-Mounted Row Accessories ..................................68
Terra-Tine™ Adjustments ........................................68
Frame-Mounted Coulter Adjustments ......................69
Vantage I Fertilizer Adjustments ..............................69
25 Series Row Unit Adjustments .....................................70
Row Unit Down Pressure .........................................71
Coulter Adjustments .................................................74
Row-Unit Opener Disk Adjustments.........................76
Side Gauge Wheel Adjustment ................................77
Seed Meter Setup and Adjustment ..........................79
Air-Pro®Meter Disk Installation................................81
Row Unit Shut-Off ....................................................82
Seed Firmer Adjustments.........................................85
Press Wheel Adjustment ..........................................86
Troubleshooting ...................................................................88
Planting Rate Problems...................................................88
Seed Pool Troubleshooting .............................................89
Seed Pool Recovery.................................................90
Population Troubleshooting Charts .................................91
Maintenance and Lubrication ..............................................98
Maintenance ....................................................................98
Material Clean-Out ..........................................................99
Air Box Clean-Out ....................................................99
Air System Clean-Out...............................................99
Meter Clean-Out.....................................................100
Meter Brush Maintenance .............................................102
Meter Brush Replacement......................................103
Seed Disk Maintenance .........................................104
Air Box Residue Clean-Out ...........................................105
Hydraulic Maintenance ..................................................106
Hydraulic Drive Maintenance .................................106
Bleeding Hydraulics................................................107
Marker Maintenance......................................................108
Marker Bleeding .....................................................108
Marker Shear Bolt Replacement ............................109
Marker Grease Seal Cap........................................109
Wing Alignment ......................................................110
Chain Maintenance........................................................111
Meter Drive Chain..........................................................111
Disc Spreaders and Scrapers........................................112
25 Series Row-Unit Side Wheels ...........................112
Fertilizer System Maintenance ......................................113
Liquid Fertilizer Strainer .........................................113
Seed Flap Replacement (S/N B1002E+).......................114
Seed Flap Replacement (S/N B1001E-)........................114
Lubrication .....................................................................115
Seed Lubricants.............................................................124
Options ................................................................................125
Appendix A - Reference Information ................................139
Specifications and Capacities........................................139
Specifications/Capacities, North America ..............139
...............................................................................139
Specifications/Capacities, Metric Model.................140
Tire Inflation Chart .........................................................140
Hydraulic Diagrams .......................................................141
Chain Routing................................................................148
Seed Hose Routing .......................................................151
Torque Values Chart .....................................................154
Appendix B - Initial Setup..................................................155
Seed Monitor Console Installation.................................155
Radar Calibration ..........................................................155
Appendix C - Option Installation.......................................157
Appendix R - Row-Pro™ ....................................................159
Row-Pro™ Troubleshooting ..........................................166

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 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.

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 2
YP2425A Table of Contents Index Important Safety Information
PTO-Specific Hazards
Applies only to optional PTO pump.
Even if you are experienced in PTO operations, review
the “Using PTO Safely” topic on page 2 of the PTO
manual (411-015M). Topics in that manual dealing with
PTO hazards include this PTO alert symbol.
PTO hazards include:
Entanglement:
resulting in abrasions, lacerations, crushing,
dismemberment or death. Loose clothing, cuffs, frays,
laces, coattails, drawstrings, hair or scarves are taken up
by a PTO faster than you can react, and with
overpowering torque.
Flailing machinery:
resulting from an unsecured torque arm, resulting in
serious injury or death.
High pressure fluid sprays:
due to hydraulic hose failure, resulting from PTO shaft
over-speed or damaged hoses.
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.

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 3
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.

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 4
YP2425A Table of Contents Index Important Safety Information
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.
Transport Machinery Safely
•Maximum transport speed for implement is 20 mph
(32 km/h).
•Maximum speed in turns is 13 mph (22 km/h).
•Maximum speed when backing is 3 mph (5 km/h).
•Some rough terrains require a slower speed. Sudden
braking can cause a towed load to swerve and
upset.
•Do not transport cart in train with material in the tank.
•Do not back planter if PFC cart is attached.
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 139.
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.
32
32
22
5

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 5
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.
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.

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 6
YP2425A Table of Contents Index Important Safety Information
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.
Slow Moving Vehicle Reflector
818-055C
On the back of the walkboard platform;
1 total
Red Reflectors
838-266C
On the back of seed box support structure each end
(above wheels, outside Daytime reflectors);
two total
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.
25211
29710

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 7
Daytime Reflectors
838-267C
On the back of seed box support structure each end
(above wheels, inside of red reflectors);
two total
Amber Reflectors
838-265C
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.
Danger: Crushing Hazard
818-590C
Top center of 3-point hitch; one total
(not present with hydraulic tongue option)
29710
29710
29710

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 8
YP2425A Table of Contents Index Important Safety Information
Danger: Read Manual
848-512C
On tongue at hitch;
1 total
Danger: Electrocution Hazard
838-599C
One each side or marker upright arm, each side;
four total
Danger: Rotating Driveline
858-030C (Option)
On front face of hydraulic reservoir;
one total
29710
848-512C
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
29710
858-030C
Alldriveline guards, tractor
andequipment shieldsin place
PTOpump assembly securely
attachedwith torque arm and clamp
boltsproperly torqued
ROTATING DRIVELINE -
CONTACTCAN CAUSE DEATH
KEEP AWAY!
DO NOT OPERATEWITHOUT-
DANG ER
858-029C
CAPACITY= 13.5 U.S. GALS
USEANY HIGH QUALITY MINERAL BASED
HYDRAULICFLUID WITH A VISCOSITY RATING
OF10W-30. OIL MUST BE CLEAN AND FREE
FROMDIRT OR CONTAMINANT PARTICLESTO
PREVENTDAMAGE TO PUMP AND MOTOR.
REPLACEFILTER ELEMENT AFTER EVERY
150OPERATING HOURS OR 2 YEARS SERVICE.
LEVELTOOLBAR BEFORE CHEKING OIL LEVEL
OIL FILL LINE
858-004C
ReadOwner’s Manual BEFORE operating machine.
Keeptractor at IDLING SPEED and slowly engage PTO
toprevent damage to Hydraulic Motor
KeepRadiator clean and free of foreign matter to
preventoverheating.
DoNOT operate with hydraulic oil at or above 180°F
.
HOT FLUID HAZARD
WARNING
818-240CRev.A
To avoidInjur y or
Machine Damage:
·Operate only with
1000 rpm PTO
CAUTION
34843
858-030C
All driveline guards, tractor
and equipment shields in place
PTO pump assembly securely
attached with torque arm and clamp
bolts properly torqued
ROTATING DRIVELINE -
CONTACT CAN CAUSE DEATH
KEEP AWAY!
DO NOT OPERATE WITHOUT-
DANGER

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 9
Warning: Pinch/Crush
818-045C
On forward transport wheel arms, each side
On rear axle by seed hopper, each side;
five total
Warning: Speed
818-188C
On front of center section, one total
Warning: High Pressure Fluid Hazard
818-339C
On side of tongue; one total
29710
29710
818-188C Rev. C
Do Not exceed 20 mph maximum transport
speed. Loss of vehicle control and/or machine
can result.
To Prevent Serious Injury or Death:
EXCESSIVE SPEED HAZARD
WARNING
29710

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 10
YP2425A Table of Contents Index Important Safety Information
Warning: Markers: Pinch/Crush
818-682C
One each side or marker upright arm, each side;
four total
Warning: Hot Fluid
858-004C (Option)
On front face of hydraulic reservoir;
one total
Caution: 1000 rpm PTO
818-240C (Option)
On front face of hydraulic reservoir;
one total
Caution: Read Operator Manual
818-587C
On center tool bar; one total
29710
858-030C
Alldrivelineguards, tractor
andequipment shields in place
PTOpump assembly securely
attachedwith torquearm and clamp
boltsproperly torqued
ROTATING DRIVELINE -
CONTACTCAN CAUSE DEATH
KEEP AWAY!
DO NOT OPERATEWITHOUT-
DANG ER
858-029C
CAPACITY= 13.5 U.S. GALS
USEANY HIGH QUALITY MINERAL BASED
HYDRAULICFLUID WITH A VISCOSITY RA
TING
OF10W-30. OIL MUST BE CLEAN AND FREE
FROMDIRT OR CONTAMINANT P
ARTICLESTO
PREVENTDAMAGE TO PUMP AND MOTOR.
REPLACEFILTER ELEMENT AFTER EVERY
150OPERATING HOURS OR 2 YEARS SERVICE.
LEVELTOOLBAR BEFORE CHEKING OIL LEVEL
OIL FILL LINE
858-004C
ReadOwner’s Manual BEFORE operatingmachine.
Keeptractorat IDLING SPEED and slowly engage PTO
toprevent damage to Hydraulic Motor
KeepRadiator clean and free of foreignmatter to
preventoverheating.
DoNOT operatewith hydraulic oil at or above 180°F.
HOT FLUID HAZARD
WARNING
818-240CRev.A
To avoidInjur y or
Machine Damage:
·Operate only with
1000 rpm PTO
CAUTION
34843
858-004C
Read Owner’s Manual BEFORE operating machine.
Keep tractor at IDLING SPEED and slowly engage PTO
to prevent damage to Hydraulic Motor
Keep Radiator clean and free of foreign matter to
prevent overheating.
Do NOT operate with hydraulic oil at or above 180°F.
HOT FLUID HAZARD
WARNING
858-030C
Alldriveline guards, tractor
andequipmentshields in place
PTOpump assembly securely
attachedwith torque arm and clamp
boltsproperly torqued
ROTATING DRIVELINE -
CONTACTCAN CAUSE DEATH
KEEP AWAY!
DO NOT OPERATEWITHOUT-
DANG ER
858-029C
CAPACITY= 13.5 U.S. GALS
USEANY HIGH QUALITY MINERAL BASED
HYDRAULICFLUID WITH A VISCOSITY RA
TING
OF10W-30. OIL MUST BE CLEAN AND FREE
FROMDIRT OR CONTAMINANT PARTICLESTO
PREVENTDAMAGE TO PUMP AND MOTOR.
REPLACEFILTER ELEMENT AFTER EVERY
150OPERATING HOURS OR 2 YEARS SERVICE.
LEVELTOOLBAR BEFORE CHEKINGOIL LEVEL
OIL FILL LINE
858-004C
ReadOwner’s Manual BEFORE operating machine.
Keeptractor at IDLINGSPEED and slowly engage PTO
toprevent damage to Hydraulic Motor
KeepRadiator clean and free of foreign matter to
preventoverheating.
DoNOT operate with hydraulic oil at or above 180°F.
HOT FLUID HAZARD
WARNING
818-240CRev.A
To avoidInjur y or
Machine Damage:
·Operate only with
1000 rpm PTO
CAUTION
34843
818-240C Rev. A
To avoid Injury or
Machine Damage:
·Operate only with
1000 rpm PTO
CAUTION
29710
WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Read Owner’s Manual before usingmachine.
Stand clear when foldingand unfoldingmarkers.
Stand clear when raisingand loweringmachine.
Keep all safety shields and devices in place.
Keep hands, feet, and clothingaway from
Never ride on machine.
Always lower or properly support machine
Escapinghydraulic fluid can cause serious
Review safety instructions with all operators
movingchains and sprockets.
BEFORE servicing.
818-587C Rev.B
injury.
annually.
CAUTION

YP2425A Table of Contents Index Important Safety Information
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 11
Caution: Transport Locks
818-351C
Hitch tongue,
Rock shaft face, forward center transport wheels,
front of wing casters;
five total
Caution: Tires Not A Step
818-398C
One front face each wing gauge wheel,
One each side front center axle;
6 total
Caution: Pressure and Torque
838-426C (S/N B1113G-)
On outside rim each transport tire;
10 total
29796
29710
29710

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 12
YP2425A Table of Contents Index Important Safety Information
Caution: Pressure and Torque
858-773C (S/N B1114G+)
On outside rim each transport tire;
10 total
29710
858-773C
Torque wheel bolts to 170 lb-ft.
Maximum inflation pressure of tires is 73 psi.
To Avoid Injury or Machine Damage from Improper Tire
Inflation or Torquing of Wheel Bolts:
CAUTION

YP2425A Table of Contents Index Introduction
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 13
Introduction
Great Plains welcomes you to its growing family of new
product owners. The 60 Foot Yield-Pro®Planter
with Air-Pro®Meters (YP2425A) 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 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®seed meters.
The YP2425A Planter folds for transport.
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
Document Family
Using This Manual
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.
Useful information related to the preceding topic.
U
D
F
B
L
R
L
R
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
401-626M Owner’s Manual (this document)
401-626B Seed Rate Charts
401-626P Parts Manual
411-015M PTO Operate/Install manual
DICKEY-john®IntelliAg®Manuals:
11001-1662 Planter/Drill Control, User Level 1
11001-1501A 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
U
D
F
B
L
R
Dealer QRC
The QR Code (Quick Reference) to the
left will take you to available dealers for
Great Plains products. Refer to the
Parts Manual QR Locater for detailed
instructions.
Manual Family QRC
The QR Code (Quick Response) to the
left will take you to this machine’s family
of manuals. Use your smart phone or
tablet to scan the QR Code with an
appropriate App to begin viewing.

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 14
YP2425A Table of Contents Index Introduction
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 1
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: __________________________
Further Assistance
Great Plains Manufacturing, Inc. and your Great Plains
dealer want you to be satisfied with your new planter. If
for any reason you do not understand any part of this
manual or are otherwise dissatisfied, please take the
following actions first:
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.
If your dealer is unable to resolve the problem or the
issue is parts related, please contact:
Great Plains Service Department
1525 E. North St.
P.O. Box 5060
Salina, KS 67402-5060
Or go to www.greatplainsag.com and follow the contact
information at the bottom of your screen for our service
department.
Figure 1
Serial Number Plate
26032

YP2425A Table of Contents Index Preparation and Setup
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 15
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 155).
•Bleed hydraulic system (page 107).
•Wing leveling and alignment (page 110).
•Marker setup (page 61)
•Radar calibration (page 155).
•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 zerks are in place and lubricated. See
“Lubrication” on page 115.
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 139.

Great Plains | 401-626M | 2019-06-11 Table of Contents Index 16
YP2425A Table of Contents Index Preparation and Setup
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.
If Weight Transfer is Installed
If the optional weight transfer system is not installed, or a
PTO pump is installed, continue at “Color Coded
Hydraulic Hoses” on page 17.
The weight transfer cylinders must be free to flex during
all planter movements where the system is not in active
use.
To allow cylinder flex:
•connect at least the fan case drain and fan return
lines to suitable receptacles (see page 17), or
•install the shipping links (see page 156).
Machine Damage Risk:
Do not move the planter with a hydraulically locked weight
transfer system. Relieve the system or install shipping links.
If the cylinders are not free to flex, oil loss will result from even
minor movement flexing.
Figure 2
Weight Transfer System
36421
858-295C
DO NOT MOVE PLANTER FOLDED
OR UNFOLDED WITHOUT CONNECTING
FAN CASE DRAIN AND LOW PRESSURE
RETURN TO THE TRACTOR OR
INSTALLING WEIGHT TRANSFER
SHIPPING LINKS. FAILURE TO DO
SO CAN RESULT IN DAMAGE TO
WEIGHT TRANSFER CIRCUIT.
NOTICE