GREAT PLAINS Terra Max HT1110-6.0M Operator's Manual
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GREAT PLAINS Terra Max HT1110-6.0M Operator's Manual

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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!
Illustrations may show optional equipment not supplied with standard unit.
ORIGINAL INSTRUCTIONS
© Copyright 2022
Table of Contents
Operator Manual
HT1110-6.0M & HT1110-7.5M
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2022-03-21
Terra Max
TP-69941
EN
588-206M

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Summary of Contents for GREAT PLAINS Terra Max HT1110-6.0M

  • Page 1 Table of Contents Operator Manual HT1110-6.0M & HT1110-7.5M Terra Max Manufacturing, Inc. www.greatplainsmfg.com 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! TP-69941 Illustrations may show optional equipment not supplied with standard unit.

  • Page 2: Machine Identification

    Table of Contents 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 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 HT1110-6.0M & 7.5M Table of Contents Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 5: Owner Assistance

    Your machine’s parts were specially designed and should only be replaced with Great Plains parts. Always use the serial and 1. Discuss the matter with your dealership service manager. model number when ordering parts from your Great Plains Make sure they are aware of any problems so they can dealer.

  • Page 6: Safety Information

    4. Replace chain if any links or end fittings are broken, stretched or damaged. 5. Do not use safety chain for towing. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 7: Avoid High Pressure Fluids

    Use a safety cage if available. 2. When removing and installing wheels, use wheel- handling equipment adequate for weight involved. Use Safety Lights and Devices Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 8: Transport Machinery Safely

    5. Install transport lock onto lift cylinders then lower implement on locks to relieve pressure on hydraulic hoses. 6. Detach the tractor. Secure the implement using blocks. Practice Safe Maintenance Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 9: Safety At All Times

    10. Watch out for wires, trees, etc., when folding and raising the implement. 11. Turning tractor too tight can cause hitched implement to ride up on wheels. This can result in injury or equipment damage. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 10: Safety Reflectors And Decals

    2. Peel backing from decal. Press firmly on surface, being  Replace all damaged or missing decals. Order new decals careful not to cause air bubbles under decal. from your Great Plains dealer. Refer to this section for 848-271C Cutting of Foot TP-69939 One on each side of the center frame;...
  • Page 11 On middle of hitch; TP-69353 1 total 818-046C Danger: Crushing Hazard On outside tube of center brace bar; 2 total TP-69939 838-094C Warning: High Pressure Fluid On rear of hitch; TP-69939 1 total Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 12 On rear of hitch; 1 total 838-611C Danger: Crushing Hazard TP-69939 On front tube of each wing; 2 total 838-612C Warning: Wings Could Fall On front of wing rest; TP-69939 2 total Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 13 DURING TRANSPORT TO MAINTAIN MINIMUM MACHINE HEIGHT AND SUPPORT WEIGHT OF MACHINE IN THE EVENT OF HYDRAULIC FAILURE. 838-613C Warning: Wings Could Fall On sides of lift links; TP-69939 2 total Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 14: Pre-Operation Check List

     Refold the machine slowly, then lock wings and close wing lock valve. Always place wing locks in locked position when moving from field to field. Put transport locks into place. You are now ready to go to the field. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 15  Lock drawbar swing to center position to minimize any side-to-side sway to assure proper tracking in the field, and safe road travel. See “Transport” on page 24, for safe transporting. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 16: Electrical Hookup

    Make sure tractor is shut down with accessory power off before making connections. Connect lighting connector and any options or after-market electronics to tractor outlets.  NOTE: Make Electrical Connections Make connections prior to machine movement. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 17: Hydraulic Hose Hookup

    Table of Contents Adjustments and Installation Hydraulic Hose Hookup Color Hydraulic Function Great Plains hydraulic hoses are color coded to help you hookup Black Lift (2 hoses) hoses to your tractor outlets. Hoses that go to the same remote Green Fold (2 hoses) valve are marked with the same color.

  • Page 18: Wing Folding/Unfolding

    16. Once the machine is unfolded, raise and lower the machine several times to purge air from the lift system. Again, watch for any leaks and tighten if necessary. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 19: Pre-Leveling Of Machine

    To change between the two different systems you must select the system using the switch mounted by the by-pass valve. The lights must be connected to change the system using the switch. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 20: Level Bar Spring Adjustment

    10. Run machine in field with wings unfolded and down pressure applied. If wings are not making contact or running too deep into the soil, make additional adjustments to turnbuckle. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 21: First Time Field Adjustments

    You must have the tractor fold hydraulic lever in continuous downward flow or “FLOAT” position before the wings can flex over terrain in the raised or lower lift position. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 22: Gang Cylinders

    (7) from turnbuckle end (8) and shorten turnbuckle end by turning clevis to bring gang bar closer and lengthen clevis to get gang bar to retract all the way. 20. Re-install pin (7) after adjustment is made. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 23 (3) is in the green zone 1000-1500PSI. Running the pressure closer to 1000 PSI is best. 27. At the valve, adjust the valve (4) to set your initial down pressure (5) (usually 300-400). Do not exceed 800 PSI. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 24 At 3” and higher, it may be necessary to eliminate down pressure completely. If that is the case, fold system needs to be operated in float position so wing cylinders can still extend and retract as needed. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 25: Fore/Aft Adjustment

    If the unit is used as a secondary pass it is recommended to operate the unit at a slight angle to the previous tillage pass. This will improve trash flow and increase the leveling capability. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 26 (6-8 mph) and set wing fold system to “FLOAT”. When operating gangs in the straight position, speed up (8-10 mph) and set the wing fold system to active hydraulic down pressure. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 27: Operating Speeds

    Fore/Aft - Machine must be level front to rear to ensure all blades are working at the same depth • Finish Reel Down Pressure - Start in Float position, increase to 200-300 PSI is pressure is desired 43. Operating Speeds - 7-9 MPH Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 28: Pre-Start Checklist

    Use an adequate towing vehicle. Never tow an implement that weighs more than 150% of the towing vehicle (transport vehicle must weigh at least 67% of implement). Ensure that the towing vehicle is adequate for the task. Using an inadequate Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 29: Final Checklist

    Set tractor for fold and fold wings Secure wings with wing locks Place locking valve and transport locks in transport positions Lower implement on to transport locks Lights ON for transport Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 30: Hydraulic Down Pressure

    Resume applying down pressure when disks are returned to a vertical position. CAUTION: Field Hazard Down pressure applied to wings while gangs are angled causes overly aggressive and uneven tilling of soil. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 31: Depth Stop Adjustment

     MPH is the bottom end of the required speed. If you can’t pull this unit at least 6 MPH it will not be effective.  Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 32 WARNING: Rough Terrain Hazard Be sure reels are installed with twisted bars oriented forward (7) as shown. Mounting in reverse (8) can damage reel in rocky soil. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 33: Placing Machine Into Storage

    If machine is stored outdoors over the winter months, it is a good idea to fold the machine then set it down on the ground so all the cylinders are retracted to protect the cylinder rods. This will extend the life of the cylinder seals and reduce internal and external leaks. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 34: Maintenance And Lubrication

    Retailer. 54 psi ManufacturerWeb site Transport/ (372 kPa) Firestonewww.firestoneag.com 15.0/55 - 17 EURO Wings Gleasonwww.gleasonwheel.com (3.72bar) Titanwww.titan-intl.com 105 psi Galaxywww.atgtire.com Gauge (723 kPa) 10.0/75 - 15 18Ply BKTwww.bkt-tire.com Wheel (7.1 bar) Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 35: Troubleshooting

    Trace hydraulic plumbing to confirm proper routing. Replace hydraulic tips on lift hoses. Machine will not lift evenly: (Black Call your GP representative for cylinder diagnostics. Hand grips) Call your GP representative. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 36 Check lighting harness schematic on page 29 Entire machine runs to shallow (Black & Make sure depth stop valve is set to correct depth. Green Hand-grips) Increase gang angle to help penetrate the ground and increase depth. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 37 Dirt and debris could also get lodge near the hinges and be unintentionally activating the switch. Check the connections to the retract and light harness. If the connections are correct, check the function of the double and single solenoid valves. Wings not folding Reference Hydraulic layouts. Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 38 Tire Size (Gauge Wheel) 10.0/75-15.3 18-Ply 10.0/75-15.3 18-Ply 180-230 Horsepower (PTO) 230-285 Kilowa 134-172 172-213 With a continued commitment to constantly improving our products, these specifications are subject to change without notice. Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 39: Hydraulic Connectors And Torque

    16-22 12-16  -18 ORB w/jam nut 24-33 18-24  -18 ORB straight -16 JIC 37-53 27-39  -16 ORB w/jam nut 27-41 20-30  37-58 27-43 -16 ORB straight  Great Plains | 588-206M | 3/21/22 Table of Contents...

  • Page 40: Torque Values Chart

    Gang Bolt Torque 1 3/4”-5 850 Foot-pounds (165 lbs on 5’ cheater). Rolling Harrow Spike Bolt 1 1/2”-6 650-750 Foot-pounds (175 lbs on 4’ cheater). Wheel Bolt Torque Values 5/8”-18 (170ft-lbs) 3/4”-16 (295ft-lbs) Great Plains | 588-206M | 3/21/22 Table of Contents...
  • Page 41 Table of Contents Table of Contents...
  • Page 42 Table of Contents Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

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Terra max ht1110-7.5m

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