GREAT PLAINS 2020P Operator's Manual
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GREAT PLAINS 2020P Operator's Manual

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2020P, 2025P, 2520P, and 2525P
20- and 25-Foot 3-Point Precision Seeding System
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.
ORIGINAL INSTRUCTIONS
© Copyright 2018
Table of Contents
Index
Operator Manual
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2020-08-05
Index
2007+
22705
EN
118-231M

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  • Page 1 Table of Contents Index Operator Manual 2007+ 2020P, 2025P, 2520P, and 2525P 20- and 25-Foot 3-Point Precision Seeding System Manufacturing, Inc. www.greatplainsmfg.com Read the operator manual entirely. When you see this symbol, the subsequent instructions and warnings are serious - follow without exception.
  • Page 2 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.

  • Page 3: Table Of Contents

    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.
  • Page 4 Cover Index Cover Index...

  • Page 5: Important Safety Information

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information 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.
  • Page 6 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Shutdown and Storage  Drain and safely store or dispose of residual liquids.  Secure drill using blocks and any stands provided.  Store in an area where children normally do not play.
  • Page 7 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information 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.
  • Page 8 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information 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 hearing impairment or hearing loss, wear suitable hearing protection such as earmuffs or earplugs.
  • Page 9 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information 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 drill functions.

  • Page 10: Safety Decals

     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.
  • Page 11 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Red Reflectors 838-266C On rear face of walkboard, each outside corner outboard of daytime reflectors; 2 total 24379 S/N 1638SS- On rear face of walkboard, each outside corner below daytime reflector;...
  • Page 12 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Amber Reflectors (large) 838-265C On outside end faces of walkboards at ladder top, front top face of mainframe, each outside corner; 4 total 24379 Amber Reflectors (small) Optional Marker 818-229C On outside end faces of marker mounts;...

  • Page 13: Danger: Hitch Crushing Hazard

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Danger: Hitch Crushing Hazard 818-590C 18262 Warning: Walkboard Falling 838-102C WARNING To avoid serious injury or death: Watch your step when climbing ladder or walking on walkboard. 838-102C At ladder end of walkboard;...
  • Page 14 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Warning: High Pressure Fluid 818-339C On the main tool bar at hitch; 18262 1 total Warning: Marker Pinch/Crush 818-682C Two on first section of each marker; 26241 4 total...
  • Page 15 2020P, 2025P, 2520P, and 2525P Table of Contents Index Important Safety Information Caution: Read Manual 818-587C CAUTION Read Owner’s Manual before using machine. Stand clear when folding and unfolding markers. Stand clear when raising and lowering machine. Keep all safety shields and devices in place.

  • Page 16: Introduction

    Table of Contents Index Introduction Introduction Great Plains welcomes you to its growing family of new product owners. Your 3-Point Precision Seeding System 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.

  • Page 17: Owner Assistance

    Further Assistance Great Plains Manufacturing, Inc. and your Great Plains dealer want you to be satisfied with your new 2020P, 2025P, 2520P, or 2525P. If for any reason you do not understand any part of this manual or are otherwise dissatisfied, please take the following actions first: 1.

  • Page 18: Preparation And Setup

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Preparation and Setup Preparation and Setup This section helps you prepare your tractor and drill for use. Before using the drill in the field, you must hitch the drill to a suitable tractor and level the drill.

  • Page 19: Hydraulic Hose Connections

    Marker Cylinders Older Style Hoses with Color Ties Refer to Figure 3 Great Plains hydraulic hoses are color coded to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color.

  • Page 20: Electrical Connections

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Preparation and Setup Electrical Connections Refer to Figure 4 Make sure tractor is shut down with accessory power off before making connections. 1. Mate the lighting plug to the outlet connector on the drill.

  • Page 21: 25 Series Opener Height

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Preparation and Setup Refer to Figure 7  NOTE: When drill is level, parallel links will be running slightly uphill towards the front. The 1in dimension shown is a general dimension that will vary with planting conditions.

  • Page 22: Frame Height

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Preparation and Setup Frame Height Drill operating height affects the working range of the drill openers. Initially adjust frame height as explained under “Leveling the Drill” on page 16. You can make further adjustments to compensate for field conditions.

  • Page 23: Operating Instructions

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Operating Instructions 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.

  • Page 24: Field Operation

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Operating Instructions Field Operation 1. Hitch drill to a suitable tractor or hitch. See “Hitching Tractor to Drill” on page 14 or your hitch operator’s manual. Raise any parking stands. Crushing Hazard: You may be severely injured or killed by being crushed between the tractor and drill.

  • Page 25: Seed Lubricants

    Singulator Plus Meters (all seeds) Use only approved Graphite Powder available from Ezee Glide Plus Talc-Graphite Mix Great Plains Mfg. Inc. or Precision Planting to ensure 821-069C bucket, 5 gallon (19 liter) proper lubrication of finger pickup corn seed meters.

  • Page 26: Transporting

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Operating Instructions Transporting Loss of Control Hazard: Towing the drill at high speeds or with a vehicle that is not heavy enough could lead to loss of vehicle control. Loss of vehicle control could lead to serious road accidents, injury and death.

  • Page 27: Marker Operation

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Operating Instructions Marker Operation Optional marker attachments are available from your Great Plains dealer. The operating procedure is different, depending on whether dual-circuit independent markers single-circuit sequenced markers are installed. When fully extended or folded during operations or transport, leave circuit control in neutral.

  • Page 28: Parking

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Operating Instructions Parking Empty seed box before unhitching drill to prevent drill from falling backward.  NOTE: For parking with drill attached to an auxiliary hitch, refer to your hitch operator’s manual.

  • Page 29: Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Adjustments To get full performance from your 20- and 25-Foot Drill, Even if your planting conditions rarely change, some of you need an understanding of all component operations, these items need periodic adjustment due to normal and many provide adjustments for optimal field results.

  • Page 30: Ground Drive Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Ground Drive Adjustments Seeding Rate DRIVEN TRANSMISSION Adjusting the seeding rate requires the following: 1. adjusting drive speed range sprockets, DRIVING 2. adjusting transmission sprockets, 3. preparing seed meters, 4. checking seeding rate.

  • Page 31: Marker Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Marker Adjustments Pinch, Crush and Sharp Object Hazards: You may be injured if hit by a folding or unfolding marker. Markers may fall quickly and unexpectedly if the hydraulics fail. Never allow anyone near the drill when folding or unfolding the markers.

  • Page 32: Marker Disk Adjustment

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Marker Disk Adjustment Sharp Object Hazard: Marker disks may be sharp. Use caution when making adjustments in this area. Refer to Figure 19 To change angle of cut, and the width of the mark,...

  • Page 33: Marker Speed

    Refer to Figure 23 (which depicts a 25-Series row unit fully populated with all optional accessories supported for use with the 2020P, 2025P, 2520P and 2525P drill) From front to back, a Great Plains 20 or 25 Series row unit can include the following capabilities (some optional): 1.

  • Page 34: Row Unit Down Pressure

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments 3. Disc Blades: standard, 2 per row unit Double disc blades widen the coulter groove, creat- ing the seed bed. Setup controls depth and width. See “Row-Unit Opener Disc Adjustments” on page 38.
  • Page 35 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Refer to Figure 25 1. If the side gauge wheels are leaving no tracks, or light tracks, increase down-force. Insufficient down-force Light or no side gauge Increase down-force wheel tracks 2.
  • Page 36 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Refer to Figure 27 and Figure 30 To adjust down pressure, use the spring adjustment tool (part 198-810H) stored under the walkboard. 1. Raise the drill. Although this adjustment can be made with the drill lowered, the springs will be in tension, and will require more effort.
  • Page 37 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Adjusting 25-Series Down-Force Refer to Figure 29 An adjuster cam sets row unit spring down pressure individually for each row unit. This is useful for penetrating hard soil and planting in tire tracks. For best results always adjust tractor tires so they are not ahead of twin rows.

  • Page 38: Row Unit Shutoff

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Row Unit Shutoff Row unit shutoff is necessary for various routine procedures, including: • point-row planting • meter clean-out • twin-row lockup (25 Series only) • calibration (shutting off unmeasured rows)

  • Page 39: 25 Series Row Unit Lock-Up

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments 25 Series Row Unit Lock-Up Alternate 25 Series twin-row units can be raised and pinned to accommodate alternate row spacings. It is generally easier to lock up the rear row unit of each pair.

  • Page 40: 25 Series Coulter Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments 25 Series Coulter Adjustments  NOTE: Coulters are not factory-installed. Check alignment and depth prior to first use. Coulter Depth Adjustment The ideal operating depth for coulters is in above ...
  • Page 41 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments 25 Series Coulter Row Alignment Refer to Figure 41 For 25 Series unit-mounted coulters, the ideal alignment is for the blade to open a furrow directly ahead of the opener discs.

  • Page 42: Row-Unit Opener Disc Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Row-Unit Opener Disc Adjustments 25 Series 20 and 25 Series openers have three adjustments: 1. planting/seed depth 2. opener disc to disc clearance 3. gauge wheel/opener disk clearance Setting Planting Depth Refer to Figure 43 The “T”...

  • Page 43: Side Gauge Wheel Adjustment

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Side Gauge Wheel Adjustment Side Gauge Side Gauge Refer to Figure 46 Wheel Wheel Disc-to-wheel angle and clearance ideally has the wheel just touching the disk when the wheel is raised to planting depth (is up against the stop set by the “T”...
  • Page 44 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Refer to Figure 49 5. Check wheel-to-disk contact at 2in planting depth, as shown in Figure 49. Lift wheel 2in, check contact and release. When let go, wheel should fall freely.

  • Page 45: Seed Meter Setup And Adjustment

    The 2020P, 2025P, 2520P and 2525P support Great Plains Singulator Plus™ meters. The 2025P and 2525P further support finger-pickup meters. The 2020P, 2025P, 2520P and 2525P do not support feeder cups. Use a Singulator Plus™ meter with specific wheels for volumetric applications. Singulator Plus™ Meter Wheel Replacement Choose the correct seed meter wheel for the opener Series and the type of seed you are using.
  • Page 46 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Refer to Figure 53 and Figure 51 4. Push forward on meter slide retaining clip 5. Remove seed meter wheel. Figure 53 22874 Remove Wheel Refer to Figure 54 6. Check meter interior for trash and damage.
  • Page 47 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Meter Exchange (25 Series only) Refer to Figure 55 9. Empty seed box.  NOTE: The sliding gate at gravity-fed seed meters only shuts off seed flow if a meter is present.
  • Page 48 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Refer to Figure 59 18. While the meter is removed, take time to inspect the meter drive chain , idlers and drive sprocket and perhaps perform the periodic chain lubrication.
  • Page 49 80,000 seed  NOTE: These instructions describe the current finger bag. pickup meter shipped with new Great Plains drills, which has an integrated adjustment lever for the Bag Weight Seeds Per Brush brush.
  • Page 50 Avoid the use of graphite with the precision meter. If graphite must be used, use Precision™ planting graphite or Great Plains graphite which is less abrasive. Generally, seeds coated with Maxi or similar coatings, such as Captan, benefit from graphite.

  • Page 51: Seed Firmer Adjustments

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Seed Firmer Adjustments 20 and 25 Series row units accept one of two optional seed firmers. Sharp Object Hazard: Row unit disk blades may be sharp. Use caution when making adjustments in this area.To adjust the Keeton Seed Firmer, lower the drill until the disks of the row units are resting on the ground.
  • Page 52 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Seed-Lok™ Seed Firmer Lock-Up (old style) Optional Seed-Lok firming wheels provide additional seed-to-soil contact. The wheels are spring loaded and do not require adjusting. In some wet and sticky conditions the wheels may accumulate soil. To avoid problems associated with this, you can lock-up the firmers.

  • Page 53: Press Wheel Adjustment

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Press Wheel Adjustment The press wheels close the furrow which gently presses the soil over the seed to ensure good seed-to-soil contact for even emergence. To provide consistent seed firming, the press wheels are free to move downward from their normal operating position.
  • Page 54 2020P, 2025P, 2520P, and 2525P Table of Contents Index Adjustments Press Wheel Centering If one press wheel is running in the seed trench, or the wheels are not centered over the trench, the angle the press wheel assembly can be adjusted as follows: Refer to Figure 68 1.

  • Page 55: Troubleshooting

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Troubleshooting Problem Cause Solution Incorrect seed size for meter wheel can cause Planting too little Replace meter wheels to match seed skips Meter drive not engaged (25 Series) Engage drive coupler, page 35...
  • Page 56 2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Problem Cause Solution Check seed rate information. Refer to Seed Planting too much Incorrect seed rate or sprocket combination. Rate Charts manual. Incorrect seed size for meter wheel can cause...
  • Page 57 2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Problem Cause Solution Slow down. Check Seeding Rate Chart for Uneven seed spacing Excessive field speed. correct maximum field speed. Unclean seed. Use clean seed. Lack of proper seed lubrication on seed.
  • Page 58 2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Problem Cause Solution Slow down. Check Seeding Rate Chart for Uneven seed depth Excessive field speed. correct maximum field speed. Coulter depth adjustment Check hitch operator’s manual. Planting conditions too wet.
  • Page 59 2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Problem Cause Solution Opener plugged with dirt. Clean opener. Row unit disks not turning freely. Planting conditions too wet. Wait until drier weather. Seed-Lok™ is plugging opener. Lock up Seed-Lok™, page 48.
  • Page 60 2020P, 2025P, 2520P, and 2525P Table of Contents Index Troubleshooting Problem Cause Solution Planting conditions too wet. Wait until drier weather. Press wheel or row units plugging Drill not running level front-to-back in the field. Readjust top link to level drill.

  • Page 61: Maintenance And Lubrication

    3. Inflate tires as specified on “Tire Inflation Chart” on page 79. 4. Replace any worn, damaged or illegible safety decals. Order new decals from your Great Plains dealer. “Safety Decals” on page 6. Great Plains | 118-231M | 2020-08-05...

  • Page 62: Marker Maintenance

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Marker Maintenance High Pressure Fluid Hazard: 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.
  • Page 63 The shear bolt is a hex head cap screw, -16 x 2in  Grade 2, Great Plains part number 802-266C, plus a -16 lock nut, Great Plains part number 803-013C.  Install a replacement shear bolt on the vertical faces on the side opposite from the pivot bolt.

  • Page 64: Drive System Maintenance

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Drive System Maintenance Refer to Figure 73 For proper operation and to prevent downtime and repair, keep drive chains properly adjusted and lubricated. Regularly check drive chains for excess slack and wear.

  • Page 65: Opener Side Wheel Maintenance

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Opener Side Wheel Maintenance Sharp Object Hazard: Disk edges are sharp. Be careful when working in this area. Refer to Figure 74 1. Lift opener side wheel off the ground. Move tire in and out to check for end play.

  • Page 66: Opener Disc Maintenance

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Opener Disc Maintenance  NOTE: It is normal for the blade spreader to have some looseness in the holder and between the blades. Some looseness is required for proper operation.

  • Page 67: Seed Tube Maintenance

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Seed Tube Maintenance Clean inner sliding seed tube 1 if it will not slide. Replace inner sliding seed tube if you see any visible cracks. Sliding Seed Tube Replacement...
  • Page 68 2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Seed Flap Replacement (s/n 1466SS+) Refer to Figure 79 To replace an 816-302C seed flap use a needle nose pliers or similar tool to grasp “T” top of flap. Pull upward...
  • Page 69 2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Meter Maintenance Cleaning Out Meters  NOTE: Shut off sliding seed tubes, or ensure that seed box and seed tubes are empty, before cleaning out seed meters. If residual seed needs to be recovered, position tarp or buckets under the opener(s) whose meter(s) you will be cleaning out.
  • Page 70 2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Meter Slide Maintenance (Singulator Plus meters only) For proper seeding operation, seasonally or when changing crops, check meter slide for wear. If you have a noticeable increase in seeding rate you may need to replace the meter slide.
  • Page 71 2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication 20 Series Row Unit Chain Tension The seed meter drive has a spring-loaded idler which requires no adjusting. However, chain stretch may make it necessary to shorten the chain.

  • Page 72: Finger Set Installation Instructions

    2. Slide the finger set over the shaft and rotate clock- rioration to the finger sets. Always use Precision wise until it sits against the backing plate. Planting or Great Plains graphite when using seed  NOTE: You will hear a click. treatments, see “Seed Lubricants” on page 21.

  • Page 73: Lubrication

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Lubrication Intervals (operating hours) Multi-purpose Multi-purpose Multi-pupose Inspection at which service oil lubricant spray lubricant grease lubricant is required Row Unit: Side Wheel Bushing 20 Series: 2 zerks per row unit; one each side 25 Series: 4 zerks per row unit;...
  • Page 74 2020P, 2025P, 2520P, and 2525P Table of Contents Index Maintenance and Lubrication Markers: Hinge Points 6 zerks; 3 per marker (at the center of each hinge tube) Type of Lubrication: Grease Quantity: Until Grease emerges 19196 Markers: Disk Hubs Seasonally 4 bearings;...

  • Page 75: Options

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Options Options Seed Monitor The DICKEY-john ® Monitor option is a micro-processor based monitoring system. If seed is not going to the ground, the monitor will sound and indicate which meter has stopped planting.
  • Page 76 Hydraulic markers are available for all models as dual-circuit, with each side operated by a separate dedicated tractor hydraulic circuit. For 20-foot 2020P and 2025P, markers are also available as single-circuit, with an automatic sequence valve for fold/unfold on each side.
  • Page 77 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options Baffle Kits These contoured polymer inserts block seed flow to inactive row units and prevent pile-up, assuring that seed will be evenly distributed to active rows. Kits include all required inserts, plugs, straps, gaskets and fasteners.
  • Page 78 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options Seed Lubricants Description Order Number Graphite (1 pound bottle) 821-042C Graphite (5 pound jug) 821-060C Ezee Glide Plus Talc (5 gallon 821-069C bucket) 29248 25477 Unit-Mounted Disk Coulters Optional unit-mount disk coulters are available for 25 Series drills (2025P and 2525P).
  • Page 79 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options 20 Series Seed Meter Wheels Singulator Plus meters accept a variety of seed wheels, each optimized for specific seeds. Wheels are simple to change. 20 Series meters use only black seed wheels.
  • Page 80 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options 25 Series Seed Meters Meters are simple to change. Available models include (part numbers are for a single row unit; each Singulator Plus includes one seed wheel): Meters Part Number...
  • Page 81 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options Scrapers 20 Series Inside Scrapers When planting in moist or sticky soils, these scrapers are useful in preventing build-up that might otherwise impair opener disc performance. Description Part Number carbide disc scraper...
  • Page 82 2020P, 2025P, 2520P, and 2525P Table of Contents Index Options Keeton Seed Firmer A choice of firmers is an option in the product bundles, or may be field-installed as kits. Only one type of seed firmer may be installed at the same time.

  • Page 83: Appendix

    2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Appendix Specifications and Capacities 2020P 2025P 2520P 2525P Tractor Requirements Category III and IV-N tractors Raised Hitch Load 4960-8760 lb 5490-8910 lb 6375-10919 lb 7080-11000 lb (without markers, seed, 2250-3973 kg...
  • Page 84 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Torque Values Chart Bolt Head Identification Bolt Head Identification Bolt Bolt 10.9 Size Size Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9 ft-lb ft-lb ft-lb ft-lb...
  • Page 85 Model 2020P Marker Extension 123. 5 123. 5 123.75 in 123.75 in 314.33 cm 314.33 cm Figure 90: Model 2020P-3275 20ft 20 Series 32-Row 7.5in Single-Row: Standard Spacing 26232 116.25 in 131.25 in 295.28 cm 333.38 cm Figure 91: Model 2020P-3275 20ft 20 Series 32-Row 7.5in Single-Row: as 15in Single-Row...
  • Page 86 Table of Contents Index Appendix Model 2020P Marker Extension, cont... 123.75 in 123.75 in 314.33 cm 314.33 cm Figure 92: Model 2020P-3275 20ft 20 Series 32-Row 26232 7.5in Single-Row: as 30in Twin-Row 128.25 124.00 in 124.00 in 314.96 cm 314.96 cm...
  • Page 87 Appendix Model 2020P Marker Extension, cont... 144.90 109.25 in 109.25 in 277.50 cm 277.50 cm Figure 96: Model 2020P-2695 20ft 20 Series 26-Row 9.5in Single-Row: as 38in Twin-Row 26232 123. 5 .5 TO T 127.50 in 127.50 in 323.85 cm 323.85 cm...
  • Page 88 Model 2020P Marker Extension, cont... 129.25 8 TO TR40TR 122.25 in 122.25 in 310.52 cm 310.52 cm Figure 100: Model 2020P-12TR36 20ft 20 Series 12-Row 36in Twin-Row (7.5in pairs): Standard Spacing 26232 128.25 136.25 118.50 in 118.50 in 300.99 cm 300.99 cm...
  • Page 89 Model 2020P Marker Extension, cont... 110.10 15 TO 30 132.50 in 132.50 in 336.55 cm 336.55 cm Figure 104: Model 2020P-12TR4015 20ft 20 Series 12-Row 40in Twin-Row (15in pairs): Standard Spacing 26232 Model 2025P Marker Extension 128.25 128.25 128.25 in 128.25 in...
  • Page 90 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Model 2025P Marker Extension, cont... 141.08 in 113.92 in 358.34 cm 289.36 cm Figure 108: Model 2025P-1615 20ft 25 Series 16-Row 15in Single-Row: as 30in Twin-Row 26233 118.50 7.50 127.50 131.00 in...
  • Page 91 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Model 2025P Marker Extension, cont... 132.50 129.00 in 129.00 in 327.66 cm 327.66 cm Figure 112: Model 2025P-12TR38 20ft 25 Series 12-Row 38in (8in pairs) Twin-Row: Standard Spacing 26233 136.00 in 136.00 in...
  • Page 92 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Model 2520P Marker Extension 153.75 in 153.75 in 390.53 cm 390.53 cm 140.00 Figure 115: Model 2520P-4075 25ft 20 Series 40-Row TO TR 26231 7.5in Single-Row: Standard Spacing Model 2520P Marker Extension, cont...
  • Page 93 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 9.5 TO TR3 140.50 in 140.00 in 356.87 cm 355.60 cm 157.50 Figure 119: Model 2520P-3608 25ft 20 Series 36-Row 8in Single-Row: as 40in Twin-Row 26231 Model 2520P Marker Extension, cont...
  • Page 94 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 172.50 in 142.50 in 438.15 cm 361.95 cm Figure 123: Model 2520P-2015 25ft 20 Series 20-Row 15in Single-Row: as 30in Twin-Row 26231 Model 2520P Marker Extension, cont... 161.25 in 161.25 in 409.58 cm...
  • Page 95 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix TR4015 163.50 in 163.50 in 415.29 cm 415.29 cm 157.50 Figure 127: Model 2520P-16TR3815 25ft 20 Series 16-Row 38in (15-in pairs) Twin-Row: Standard Spacing 26231 Model 2520P Marker Extension, cont...
  • Page 96 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Model 2525P Marker Extension 156.75 in 156.75 in 156.75 156.75 398.15 cm 398.15 cm Figure 130: Model 2525P-3295 25ft 25 Series 32-Row 26234 9.5in Single-Row: Standard Spacing 172.50 142. 15 O 30 156.75 in...
  • Page 97 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 167.00 161.00 in 161.00 in 408.94 cm 408.94 cm Figure 134: Model 2525P-20TR30 25ft 25 Series 20-Row 167.00 30in (8in pair) Twin-Row: Standard Spacing 26234 167.00 R3815 158.00 in 158.00 in 401.32 cm...
  • Page 98 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 176.00 in 176.00 176.00 176.00 in 447.04 cm 447.04 cm Figure 138: Model 2525P-16TR40 25ft 25 Series 16-Row 40in (8in pair) Twin-Row: Standard Spacing 26234 176.00 in 176.00 in 176.00 176.00...
  • Page 99 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Chain Routing Ground Drive Chains 26223 26236 Offset Single-Wheel Drive Single-Wheel Drive 26237 26235 Dual-Wheel Drive Drive Tower to Transfer Shaft (all Drives) Great Plains | 118-231M | 2020-08-05 Table of Contents...
  • Page 100 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 20 Series Meter Drive Chain 26239 26238 Meter Drive (Front type) Meter Drive (Rear type)  NOTE:  NOTE: No idlers on mount. be sure to reconnect idler spring top chain passes under single idler on shank...
  • Page 101 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix 25 Series Meter Drive Chain 26136 26137 Meter Drive (Front type) Meter Drive (Mid type)  NOTE:  NOTE: No idlers on mount. be sure to reconnect idler spring top chain passes over single idler on shank...
  • Page 102 2020P, 2025P, 2520P, and 2525P Table of Contents Index Appendix Hydraulic Diagrams 26222 17643 Great Plains | 118-231M | 2020-08-05 Table of Contents Index...
  • Page 103 Second year limited warranty covers Parts ONLY (personal usage only, excluding labor and wear items). This warranty is limited to the replacement of any defective part by Great Plains. Great Plains reserves the right to inspect any equipment or part which are claimed to have been defective in material or workmanship.
  • Page 104 Table of Contents Index Table of Contents Index...
  • Page 105 2020P, 2025P, 2520P and 2525P Cover Table of Contents Index Index seed flap ..........64 seed lubricant ........21 adjustments ........25 gauge wheels seed meter wheels, 20 Series ....75 ground drive ........26 link-adjust ........18 seed meter wheels, 25 Series ....76 marker .........27 scrapers ........
  • Page 106 Cover Table of Contents Cover Table of Contents...
  • Page 107 Table of Contents Index Table of Contents Index...
  • Page 108 Table of Contents Index Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

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