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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 alternate spacings and/or optional equipment not supplied with
standard unit.
ORIGINAL INSTRUCTIONS
© Copyright 2025
Table of Contents
Index
Operator Manual
7000 Series Disk Harrow
7110, 7112, 7115
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2025-02-06
Index
TP-69481
EN
556-427M
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Summary of Contents for GREAT PLAINS 7000 Series
- Page 1 Table of Contents Index Operator Manual 7000 Series Disk Harrow 7110, 7112, 7115 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. Your life and the lives of others depend on it!
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Page 2: Machine Identification
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 7000 Series Disk Table of Contents Index Great Plains | 556-427M | 2025-02-06 Table of Contents Index...
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Page 5: Important Safety Information
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. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 6: Avoid High Pressure Fluids
Carry reflectors or flags to mark Disk Harrow in case of breakdown on the road. Do not fold or unfold the Disk Harrow while the tractor is moving. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 7: Check For Overhead Lines
Index Important Safety Information Check for Overhead Lines The 7000 Series Disk Harrow is a one section tillage tool and does not require more transport height than the tractor it is attached to. Contacting overhead electrical lines can introduce lethal voltage levels on Disk Harrow and tractor frames. -
Page 8: Safety At All Times
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 9: Red Reflectors
43423 Amber Reflectors On front of light brackets. On front, outside of center frame (not shown), on outside, rear of center frame, side of finishing attachment (not shown); 8 total Great Plains | 556-427M | 2025-02-06 Table of Contents Index... - Page 10 Wear proper hand and eye protection when searching for leaks. Use wood or cardboard instead of hands. Keep all components in good repair. 838-094C Warning: High Pressure Fluid Hazard On hitch, left rear; 1 total 43424 Great Plains | 556-427M | 2025-02-06 Table of Contents Index...
- Page 11 Inflation or Torquing of Wheel Bolts: Maximum inflation pressure of tires is 90 psi. Torque wheel bolts to 85 lb-ft. 858-910C Caution: Tire Pressure/Torque On outside frame tube, above tires; 2 total Great Plains | 556-427M | 2025-02-06 Table of Contents Index...
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Page 12: Notice: Transport Lock
DURING TRANSPORT TO MAINTAIN MINIMUM MACHINE HEIGHT AND SUPPORT WEIGHT OF MACHINE IN THE EVENT OF HYDRAULIC FAILURE. 838-613C Notice: Transport Lock Outside of center frame (both sides); 2 total TP-69438 Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 13: Introduction
Description of Unit The 7000 Series Disk Harrow 7110 - 7115DH is a one section primary and secondary tillage tool. Working width ranges from 10 to 15 feet. The implement is designed to cut out and bury roots and crop residue. -
Page 14: Owner Assistance
Further Assistance Great Plains Manufacturing, Inc. wants you to be satisfied with your new 7000 Series Disk Harrow. If for any reason you do not understand any part of this manual or are otherwise dissatisfies with the product... -
Page 15: Preparation And Setup
Put transport locks in place. Always use the transport locks when moving from field to field and while in storage. You are now ready to go to the field. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 16: Hitching Disk Harrow To Tractor
Before hitching, check the compatibility and capability of the towing tractor or implement. • The 7000 Series Disk Harrow 7110 - 7115DH is a pull-type implement equipped with a standard clevis single tang hitch. It may be converted to a Category III, IV or V hitch using optional accessory parts. -
Page 17: Electrical Hookup
Great Plains hydraulic hoses have color coded handle grips to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color. -
Page 18: Clevis Hitch
Remove a cushion (15) if needed. 13. Add the top plate (16). Secure from below with Grade 5 bolt (10). Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 19: Category Iii & Iv Hitch
Again, watch for any leaks and tighten if necessary. 18. Check the tire pressure for proper inflation and check the tightness of lug bolts. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 20: First Time Field Adjustments
2. To adjust the disk scrapers loosen the u-bolts (1) that hold the disk scrapper assembly (2) to the scraper tube (3) and move the scraper until it is about ” from the disc blade. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 21: Operating Instructions
Check hydraulic hoses, fittings, and cylinders for leaks. Repair or replace before going to the field. Perform all beginning-of-season and daily service items under “Maintenance” on page 25. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 22: Transporting The Disk Harrow
6. Plan the route. Avoid steep hills. 7. Always have lights on for highway operation. 8. Do not exceed 20 mph (32 kph). Comply with all national, regional and local laws when traveling on public roads. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 23: Field Operations
Use the following tables to develop a final checklist for your tractor/7000 Series Disk Harrow configuration. Additional or fewer steps may be necessary depending on tractor features, 7000 Series Disk Harrow options and planting accessories. Mechanical Checklist (Tractor Hitching) Page... -
Page 24: Operations Checklists
(with depth stop). Transport Locks 4. The manual u-shaped locks will only lock the lift and should be used for machine maintenance, transport and long term storage. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 25: Thread Protectors
If you set it less than this it will not properly re-phase the cylinders. If you set it more than this, you may be causing damage to the seals. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 26: Leveling
10. To level your machine lower unit till blades are just off the ground, adjust the hitch turnbuckle (1) until the front and rear blades are equal distance to the ground. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 27: Rear Attachment Settings
4 positions and will change the coil tines several degrees. 14. Rotate the locking pin (3), back to its engaged posi- tion when the desired angle is set. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 28: Rolling Harrow And Reel (Option)
18. Be sure reels are installed with twisted bars oriented for- ward (5) as shown. Mounting in reverse (6) can damage reel in rocky soil. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 29: Maintenance And Lubrication
The heavy blade option is rollable. 9. Check and tighten any hydraulic leaks. Check hoses for any leaks replace any leaking hoses. It is important that there are no leaks on the equipment. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 30: Lubrication
For machines stored outdoors or operating in extreme conditions bearings should be checked more often. All Turnbuckles andThreaded Adjustments Seasonally Overall Machine Maintenance; Type of Lubrication: Multipurpose Lubricant Quantity: Coat thoroughly. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 31: End Of Season
27. It is the owner’s responsibility to see that all operators of the Disk Harrow know the safety and operating information found in this manual. Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 32: Appendix A - Reference Information
6100 7100 PTO H.P Req (Min) 105+ Tillage Width (7.5”) 9’ 11” 12’ 3” 14’ 7” Tillage Width (9”) 10’ 4” 11’ 9” 14’ 7” Width (Transport) 11’ 13’ 16’ Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 33: Tire Inflation & Warranty
-18 ORB w/jam nut 24-33 18-24 -18 ORB straight 37-53 27-39 -16 JIC 27-41 20-30 -16 ORB w/jam nut 37-58 27-43 - 16 ORB straight Great Plains | 556-427M | 2025-02-06 Table of Contents Index... -
Page 34: Torque Values Chart
”-5 900-1100 ft-lbs (170 lbs on 6’ Cheater) Wheel Bolt Torque Values ”-20 (75-85ft-lbs) Wheel Bolt Torque Values ”-18 (80-90 ft-lbs) Wheel Bolt Torque Values ”-18 (85-100ft-lbs) Great Plains | 556-427M | 2025-02-06 Table of Contents Index... - Page 35 7000 Series Disk Table of Contents Index Appendix A - Reference Information Great Plains | 556-427M | 2025-02-06 Table of Contents Index...
- Page 36 7000 Series Disk Table of Contents Index Appendix A - Reference Information Great Plains | 556-427M | 2025-02-06 Table of Contents Index...
- Page 37 PPI-302V, plate ........14 electrocution .........3 803-367C, nut ........14 protective equipment ......1 email, Great Plains ......10 818-055C, reflector .......4 818-398C, decal ........7 red reflectors ........5 838-094C, decal ........6 fire ............1 Great Plains | 556-427M | 2025-02-06 Cover Table of Contents...
- Page 38 Table of Contents Index 838-598C, decal ........7 838-600C, decal ........6 838-603C, reflector .......5 838-606C. decal ........6 838-613C, decal ........8 838-614C, reflector .......5 838-615C, reflector .......5 858-910C, decal ........7 890-798C, clevis .........14 Great Plains | 556-427M | 2025-02-06 Cover Table of Contents...
- Page 39 Table of Contents Index Table of Contents Index...
- Page 40 Table of Contents Index Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402 MADE IN USA WITH U.S. & GLOBAL COMPONENTS...
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