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Table of Contents
Pre-Delivery Manual
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 2024
Table of Contents
Index
HT1110-20 - HT1110-25
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2024-03-13
Index
Terra Max
TP-69605
EN
588-205Q

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Summary of Contents for GREAT PLAINS Terra Max HT1110-20

  • Page 1 Table of Contents Index Pre-Delivery Manual HT1110-20 - HT1110-25 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-69605 Illustrations may show optional equipment not supplied with standard unit.
  • Page 2 HT1100-20 - HT1100-30 Table of Contents Index Great Plains | 588-205Q | 2024-03-13 Table of Contents Index...
  • Page 3: Angle Gauge

    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 HT1110-20 - HT1110-25 Table of Contents Index Great Plains | 588-205Q | 2024-03-13 Table of Contents Index...
  • Page 5  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. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 6: Decals

     Lower implement, put tractor in park, turn off engine, and remove the key.  Secure Terra Max using blocks and supports provided.  Detach and store Terra Max in an area where children normally do not play. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 7  Wear snug-fitting clothing to avoid entanglement with moving parts.  Watch out for wires, trees, etc., when folding and raising machine. Make sure all persons are clear of working area. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 8: Fork Truck

     Have at least two people on hand while assembling.  Make sure area is level and free of obstructions (preferably an open concrete area).  Have all major components  Have all fasteners and pins shipped with machine. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 9: Definitions

    An orientation rose in some line art illustrations shows the directions of: Up, Back, Left, Down, Front, Right. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 10: Finishing Attachments

    See “Assembly” on page 8 to install components needed to pull off side of trailer. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 11: Gangs

    Further Assistance Great Plains Manufacturing, Inc. wants you to be satisfied with your new Terra Max. If for any reason you do not understand any part of this manual or are otherwise dissatisfies with the product please contact: Great Plains Service Department 1525 E.
  • Page 12: Center Brace

    3. You may install the center fold bracket (8) now using hex bolts (5), lock washers and nuts to secure to the center frame. 4. Bolts may be tightened to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 13 2 Gr. 8 hex   bolts (7), lock washers and nuts. 8. Bolts may be tightened to specs, See “Torque Values Chart” on page 37 and cotter pins bent. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 14 14. You may attach the lift cylinders (10) to the plate using 1 x 4 Gr 8 bolts (6) and pins (11) that are installed on the cylinder. 15. Bolts may be tightened to specs, See “Torque Values Chart” on page 37 and cotter pins bent. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 15 21. Be sure hoses are routed as shown in, See “Valve Brackets & Hoses” on page 12.  Bolts may be tightened to specs, Bolts may be tightened to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 16 587-186K is installed in the front position. See “HT1110-20 Machine Layout” - “HT1110-25 Machine Layout” for proper location. Use    u-bolts (5) to install on the center frame. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 17 HT1110-20 - HT1110-25 Table of Contents Index Assembly This page intentionally left blank. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 18 29. Secure hydraulic cylinder (20) to front gang bar using clevis pin (16), cotter pin (2), and washer (15) and then to the gang cylinder mount (21) using clevis pin (2), cotter pin (2) and washer (15). Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 19 HT1110-20 - HT1110-25 Table of Contents Index Assembly 69925 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 20 Do not attach the fold cylinder to the wing frame, the hydraulic system will need to be purged of air before trying to fold the wings. If the hydraulic system is not purged of air before the wings are folded they could fall and cause serious injury! 69869 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 21 HT1110-20 - HT1110-25 Table of Contents Index Assembly This page intentionally left blank. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 22 See “Purging Hydraulic System” on page 25. 39. Bolt may be tightened to specs, See “Torque Values Chart” on page 37 and all cotter pins may be bent. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 23 HT1110-20 - HT1110-25 Table of Contents Index Assembly Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 24: Depth Stop

    43. Attach gauge link (7) to ear on front of center frame gang bar and gauge bracket assembly (5), secure with    hex bolts (8) and top lock nuts. Bolt may be tightened to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 25 (12) and 1” top lock nut. The hoses will need to be attached to the bulk head fittings on the center brace bar.  Before adhering the decal to the level gauge bracket, be sure to retract the cylinder all the way, position A lines up with the red indicator. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 26 54. Do not hook up rod end of fold cylinder (7) until system is purged of air. See “Purging Hydraulic System” on page 25. 55. Bolt may be tightened to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 27 62. Fasten hoses to wings with bolts and clamps (provided). Attach hose wraps on hoses to prevent hoses from dragging or getting pinched. 63. Also see Hydraulic Layouts in “Appendix Section” for all hose routing. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 28: Hose Handles

    Hydraulic Hose Hookup 66. Great Plains hydraulic hoses are color coded to help you hookup hoses to your tractor outlets. Hoses that High Pressure Fluid Hazard: go to the same remote valve are marked with the Relieve pressure before disconnecting hydraulic lines.
  • Page 29  up to wing with the 1 x 3 usable pin (6), 1.5 x 1.0  x.075 machine washer and x 2 cotter pin. Bend cotter pin over to secure. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 30 75. Attach gauge link (7) to ear on front of center frame gang bar and gauge bracket assembly (5), secure with    hex bolts (8) and top lock nuts. 76. Bolt may be tightened to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 31: Hydraulic Hoses

    83. Install the LH (9) and RH (10) light brackets to center    drag frame (11) with the u-bolts (12),   lock washers and nuts. 84. Tighten all bolts to specs, See “Torque Values Chart” on page 37. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 32: Ht1110-20

    Angle to Fore/Aft Leveling between the lead to the tractor, and the harness that connects to the proximity sensors. If this is not done correctly then Switching From Fore/Aft to Gang will ONLY work when the machine is folded. Great Plains | 588-205Q | 03/13/2024 Table of Contents...
  • Page 33 90. Install one, 848-972C bypass valve operating instruction decal (3) on front of truss (left side) (4). 91. Install two, model number decals (5) on front of brace bar (one each side). Great Plains | 588-205Q | 03/13/2024 Table of Contents...
  • Page 34  Re-installation instructions are to place left ball joint brackets (6) in proper location from layout drawing and torque u-bolts to 150 ft-lb. Leave right ball joint bracket (7) loose, as it may need move a little while you bolt up the left rolling harrow bracket (3). Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 35 HT1110-20 - HT1110-25 Table of Contents Index Assembly This page intentionally left blank. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 36: Chopper Reel (Optional)

     Please note the direction of travel, if chopper reels are not installed with the indication arrows pointing forward damage may occur. Please see layouts for dimensions and placement, and Part Manual for a complete list of parts. Great Plains | 588-205Q | 03/13/2024 Table of Contents...
  • Page 37 HT1110-20 - HT1110-25 Table of Contents Index Assembly Arrows on Chopper Wheel Arrows on Chopper Wheel indicate direction of rotation. indicate direction of rotation. Travel Travel Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 38: Double Hydraulic Reel (Optional)

     The assembly instructions are the same for the Double Round Tube Reel option.  Please see layouts for dimensions and placement, and Part Manual for a complete list of parts. Great Plains | 588-205Q | 03/13/2024 Table of Contents...
  • Page 39 HT1110-20 - HT1110-25 Table of Contents Index Assembly Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 40 3/4 nuts.  116.Torque x 2 GR. 8 bolts (10) to 375ft lbs to be sure bolts do not work loose and cause damage to the machine. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 41 Rolling Harrow Spike Bolt 1 1/2”-6 650-750 Foot-pounds (175 lbs on 4’ cheater). Wheel Bolt Torque Values 1/2”-20 (75-85ft-lbs) Wheel Bolt Torque Values 9/16”-18 (80-90ft-lbs) Wheel Bolt Torque Values 5/8”-18 (85-100ft-lbs) Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 42: Jic

    -18 ORB w/jam nut 16-22 12-16  -18 ORB straight 24-33 18-24  -16 JIC 37-53 27-39  -16 ORB w/jam nut 27-41 20-30  -16 ORB straight 37-58 27-43 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 43 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information This page intentionally left blank. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 44 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information Hydraulic Lift Layout TP-69641 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 45 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-20 & 25 Hydraulic Fold Layout TP-69636 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 46 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-20 & 25 Hydraulic Gang Angle Layout TP-69642 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 47 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-20 & 25 Reel Hydraulic Layout TP-69644 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 48: Ht1110-20 Machine

    HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-20 Machine Layout TP-77313 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 49 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-20 Machine Layout TP-77314 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 50: Ht1110-25

    HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-25 Machine Layout TP-77304 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 51 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information HT1110-25 Machine Layout TP-77305 Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 52 Index Appendix - Reference Information HT1110-20 Double Reel/Rolling Harrow Layout Round Bar Double Reel Arm & Reel Assembly TP-77315 Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 53 Index Appendix - Reference Information HT1110-20 Double Reel/Rolling Harrow Layout Round Bar Double Reel Arm & Reel Assembly TP-77316 Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 54 Index Appendix - Reference Information HT1110-25 Rolling Harrow/Double Reel Layout TP-77335 Round Bar Double Reel Arm & Reel Assembly Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 55 Index Appendix - Reference Information HT1110-25 Rolling Harrow/Double Reel Layout TP-77336 Round Bar Double Reel Arm & Reel Assembly Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 56 Table of Contents Index Appendix - Reference Information HT1110-20 Chopper/Single Reel Layout Flat Bar Reel Arm & Reel Assembly TP-77363 Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 57 Table of Contents Index Appendix - Reference Information HT1110-20 Chopper/Single Reel Layout Flat Bar Reel Arm & Reel Assembly TP-77364 Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 58 Table of Contents Index Appendix - Reference Information HT1110-25 Chopper/Single Reel Layout TP-77365 Flat Bar Reel Arm & Reel Assembly Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 59 Table of Contents Index Appendix - Reference Information HT1110-25 Chopper/Single Reel Layout TP-77366 Flat Bar Reel Arm & Reel Assembly Locations will be the same as shown on each model layout. Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 60 HT1110-20 - HT1110-25 Table of Contents Index Appendix - Reference Information Great Plains | 588-205Q | 03/13/2024 Table of Contents Index...
  • Page 61: Table Of Contents

    ..........2 IMPORTANT!, defined ......5 smv ............ 27 inflation ..........38 storage ..........2 support ..........7 JIC ............38 symbol, safety ........1 Joint Industry Conference ....38 J514 ............38 tables Great Plains | 588-205Q | 2024-03-13 Cover Table of Contents...
  • Page 62 HT1110-20 - HT1110-25 Table of Contents Index Great Plains | 588-205Q | 2024-03-13 Table of Contents Index...
  • Page 63 Table of Contents Index Table of Contents Index...
  • Page 64 Table of Contents Index Great Plains, Mfg. 1525 E. North St. P.O. 5060 Salina, KS 67402...

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