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Table of Contents Index Assembly 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.
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Table of Contents Index Table of Contents Index...
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.
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Great Plains | 588-206Q-ENG | 2022-03-21 Table of Contents Index...
Table of Contents Index Introduction Introduction Great Plains’ Terra Max is a pull-type unit designed for tilling and working soil. Every Terra Max we build is designed and built with care using only quality materials. For the best installation experience, read this manual and follow all instructions carefully.
Be Familiar with Safety Decals 1. Throughly read and understand “Safety Decals” section of the Operator Manual. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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 | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
5. Install transport locks to relieve pressure on hydraulic hoses. 6. Detach the tractor. Secure the implement using blocks and supports. Practice Safe Maintenance Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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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 | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
Reduce risk and complications by first unloading the gangs, finishing attachments, and other miscellaneous components. Place these components well out of the maneuvering area needed for unloading the Terra Max frames. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
Un-rack tires, crated tires, and all machine frames. Use a hoist or forklift to move large components. Set the smaller drag frames aside to keep clear of assembly area. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Assembly Gang Assembly - Center Frame 69925 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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Be sure to wear protective gloves when handling the blades. Keep feet away from blades may cut foot. Locate the gang hardware bundles - 588-326B for HT1110-6.0M and 588-326B for HT1110-7.5M this is used to install the gang bars to the center and wing frames. Be sure the teeth on the front gang bars line up as shown in the illustration.
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2. Once the torque tube is installed (instructions on following page) 3. Attach axle (1) to torque tube using ” bolts (2), lock washers (3), and nuts (4). 4. Install wheel and tire assemblies if not already done. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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5. The lift links are attached to the center frame using 1 x 4 Gr8 bolts (7) and lock nuts (8). 6. You can install the lift cylinders (10) using 1 x 4 Gr 8 bolt (7) and pin that is installed on the cylinder. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents...
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Chart” on page 33. 12. You can now install the fold cylinders (13) to the fold bracket (1) using 1 x 3 clevis pin (14), cotter pin and washer. 69942 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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18. Tighten all bolts with top lock nuts snug, but do not torque. The rest of the bolts may be tightened to specs, See “Torque Values Chart” on page 33. 69867 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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See hydraulic layouts starting on page 36 for house routing. Reference the Parts Manual 588-206P Section 4 for hydraulic hoses, valve locations and hardware to install. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents...
Tighten all bolts with lock nuts snug, but do not torque. The rest of the bolts may be tightened to specs, See “Torque Values Chart” on page 33 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents...
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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! Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents...
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803-027C NUT HEX 3/4-10 PLT 805-441C PIN SPIROL 3/8 X 2 1/2 PLATED 804-023C WASHER LOCK SPRING 3/4 PLT 804-035C WASHER FLAT 1 1/4 USS PLT 802-064C HHCS 3/4-10X2 GR5 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Assembly Gang Assembly - Wing Frames 69926 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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Be sure to wear protective gloves when handling the blades. Keep feet away from blades may cut foot. Locate the gang hardware bundles - 588-327B for HT1110-6.0M and 588-326B for HT1110-7.5M this is used to install the gang bars to the center and wing frames. The hardware for installing all the gang links are in bolt bundle 586-826B for HT1110-6.0 and 586-827B for HT1110-7.5.
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802-057C HHCS 5/8-11 2 1/4 GR5 Locate hardware bundles - 588-310B for HT1110-6.0M and 588-324B for HT1110-7.5M. Be sure the hub assembly has the correct spacing or the tire will not clear the frame when retracted for transport, 17.2cm (6.75in) for the 6.0M and 17.78cm (7in) for the 7.5M.
6. Slide the hub/tire assembly (5) into the gauge wheel arm and torque (4) bolts to 350N-m (260ft-lb) Be sure to use the correct position for the wheel hub as indicated in the above illustration. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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Once the wing frames are installed you can route the hydraulic hoses to the lift and gang cylinders. See hydraulic layouts starting on page 36 for house routing. Reference the Parts Manual 588-206P Section 4 for hydraulic hoses, and hardware to install. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
Escaping fluid under pressure can have sufficient pressure to penetrate the skin causing serious injury. If an accident occurs, seek immediate medical assistance from a physician familiar with this type of injury. Only trained personnel should work on system hydraulics. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Assembly Hydraulic Hose Hookup Great Plains hydraulic hoses are color coded to help you hookup hoses to your tractor outlets. Color Hydraulic Function Black Lift (2 hoses) Green Fold (2 hoses) Gang Adjustment (2 hoses)
Watch for leaks and re-tighten fittings if necessary. The fold and attachment hydraulics will also need to be purged of air. 43935 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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Before installing the rear drag frames, install the center rolling harrow on the rear of the center frame. See layouts for See “HT1110-6.0M Rolling Harrow Layout” on page 48 and See “HT1110-7.5M Rolling Harrow Layout” on page 49 for proper location.
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(5) & (6). Align to and bottom ball joint bracket assemblies. Secure with 1 x 4 hex bolts (7) and 1 nylon lock nut. Tighten the 1 x 4 hex bolt, only until the lock nut is against side of bracket. If over tightened damage to the ball joint will occur. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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3. Install the left rear (3) and right rear (4) light brackets to the frame extensions (1) using bolts (5), lock washers and nuts. 4. Attach the rear beacon bracket (6) with the u-bolts (2), lock washers, and nuts. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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Gr 8 bolt (8) and top lock. 8. Check to see that all bolts have been tightened to specs or as specified See “Torque Values Chart” on page 33. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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12. If machine has an optional finishing attachment or rear hitch, refer to the “Parts Manual” for parts break down and attachment layout drawings of this manual. Be sure to consult the operating instructions, in “Operator’s Manual”, for the first time field adjustments before going to the field. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Page intentionally left blank. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Hydraulic Lift Layout TP-69967 Center Bulkhead Plate Hinge Bulkhead Plate Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Hydraulic Lift Layout TP-69968 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Hydraulic Fold Layout TP-69966 See Parts manual for detailed fitting placement. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0 Hydraulic Gang Angle Layout TP-69970 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5 Hydraulic Gang Angle Layout TP-69969 See Parts manual for detailed fitting placement. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5 Hydraulic Gang Angle Layout TP-69971 See Parts manual for detailed fitting placement. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Double Reel Hydraulic Layout TP-69974 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Page intentionally left blank. Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0M Machine Layout TP-69946 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0M Machine Layout TP-69947 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5M Machine Layout TP-69944 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5M Machine Layout TP-69945 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0M Rolling Harrow Layout TP-69985 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5M Rolling Harrow Layout TP-69986 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0M Double Reel Following Rolling Harrow Layout TP-69948 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-6.0M Double Reel Following Rolling Harrow Layout TP-69949 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5M Double Reel Following Rolling Harrow Layout TP-69950 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information HT1110-7.5M Double Reel Following Rolling Harrow Layout TP-69951 Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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HT1110-6.0M & HT1110-7.5M Table of Contents Index Appendix - Reference Information Great Plains | 588-206Q-ENG | 2022/03/21 Table of Contents Index...
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