GREAT PLAINS Terra Max HT1100-20 Operator's Manual

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HT1100-20, HT1100-25, & HT1100-30

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

Table of Contents

Index

Operator Manual

Manufacturing, Inc.

www.greatplainsmfg.com

Printed 2020-07-29

Index

Terra Max

TP-69605

586-831M

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Summary of Contents for GREAT PLAINS Terra Max HT1100-20

Page 1 Table of Contents Index Operator Manual Terra Max HT1100-20, HT1100-25, & HT1100-30 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 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 HT1100-20 - HT1100-30 Table of Contents Index Great Plains | 586-831M | 2020-07-29 Table of Contents Index...
Page 5 Allow only enough slack in chain for turns.  Replace chain if any links or end fittings are broken, stretched or damaged.  Do not use safety chain for towing. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 6 Reduce speed if towed load is not equipped with brakes.  Reduce speed on rough roads.  Comply with national, regional and local laws.  Do not fold or unfold the Terra Max while the tractor is moving. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 7  Inspect all parts. Make sure parts are in good condition and installed properly.  Remove buildup of grease, oil or debris.  Remove all tools and unused parts from implement before operation. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 8  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 Two on side of center frame. Two on rear of finishing attachment (not shown), visible from side while folded for transport; 8 total 43093 838-614C Red Reflectors On rear of light brackets (top);. 2 total 43094 Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 10 On rear of light brackets (bottom); 2 total 42243 838-598C Caution: Read Operator’s Manual On middle of hitch; 1 total 858-967C Caution: Pin Wings On middle of operators side center brace bar; 43083 1 total Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 11 On middle of hitch; 1 total 838-600C Danger: Crushing Hazard On Front of hitch; 42243 1 total 818-046C Danger: Overhead Crushing Hazard Outside, center of center frame (both sides); 2 total 43093 Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 12 On front of hitch; 1 total 42243 838-094C Warning: High Pressure Fluid On rear of hitch; 1 total 838-611C Warning: Hand Crushing Front side of center brace bar (right); 1 total 42261 Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 13 43093 838-613C Notice: Transport Lock Outside of lift straps (both sides); 2 total 43093 848-271C Danger: Cutting Of Foot 42242 Outside of wing cylinder mount plates (both sides); 2 total Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 14 Description of Unit The information in this manual is current at printing. Some parts may change to assure top performance. The Terra Max HT1100-20 - HT1100-30 is a three section Definitions “hybrid” tillage tool. Working width ranges from 20 to 35 feet.
Page 15 Refer to Figure 2 Your machine’s parts were specially designed and should only be replaced with Great Plains parts. Always use the serial and model number when ordering parts from your Great Plains dealer. The serial-number plate is located on the front of the left truss.
Page 16 You are now ready to go to the field.  Check again for hydraulic leaks and watch that hoses do not get pinched in hinges, wing stops, etc. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 17 Retract jack foot. Re-orient jack to storage position. After hitching tractor to Terra Max, store jack on storage stob (4) on Terra Max tongue. Figure 4 42262 Jack in Storage Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 18 Test the lights and signaling prior to highway movement. Hydraulic Hose Hookup 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 19 Remove a cushion if needed. Add the top plate (89). Secure from below with Grade 5 bolt (47). Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 20 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. Figure 10 TP-69629 Wing Lock Valve Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 21 The lights must be connected to change the system using the switch. Figure 11 43968 Hydraulic Hitch Adjustment Refer to Figure 12 Figure 12 42412 Fore/Aft - Gang Switch Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 22  If wings are running too high, increase hydraulic down pressure setting, too low, decrease down pressure setting. See “Hydraulic Down Pressure” on page 20. Figure 14 42395 Wing Turnbuckle 586-295S Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 23 22. Loosen nuts (5) (one on front and one on back side of sensor bracket, adjust the proximity sensor (4) to 1/8” to 1/4”, from front of proximity sensor (6) to rear of wing tube (7) as shown. 23. Re-tighten nuts (5) to secure proximity sensor (4). Figure 16 43015 Proximity Sensor Adjustment Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 24 Caution: This machine is designed for continuous hydraulic flow to the wing fold cylinders during field operations. It is for use on tractors having CLOSED CENTER or PRESSURE COMPENSATING hydraulics only. Figure 18 844-236C Down Pressure Decal Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 25 36. Torque x 2 Gr. 8 bolts (19) to 375 ft lbs to be sure bolts do not work loose and cause damage to machine. Figure 20 42408 Level Bar Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 26 Check hydraulic hoses, fittings, and cylinders for leaks. Repair or replace before going to the field. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 27 Do not exceed 20 mph (32 kph). Comply with all national, regional and local laws when traveling on public roads. 10. Remember that the implement may be wider than the towing vehicle. Allow safe clearance. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 28  Make necessary adjustments  Travel with caution (page 23) Sharp Field Turns  Lights ON for transport  Raise Terra Max  Make turn  Lower to field depth  Resume tilling Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 29 You may increase flow rates during the folding and unfolding procedure but be sure to slow the flow rates back down once the unit is unfolded. Figure 21 42066 Transport Locks Figure 22 42249 TP-696299 Wing Fold Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 30 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 | 586-831M | 07/29/2020 Table of Contents Index...
Page 31 If that is the case, fold system needs to be operated in float position so wing cylinders can still extend and retract as needed. Figure 25 42250 Down Pressure Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 32 This will improve trash flow and increase the leveling capability. Figure 26 42250 Fore/Aft Leveling Figure 27 42247 Wing Adjustment Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 33 (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 | 586-831M | 07/29/2020 Table of Contents Index...
Page 34 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 • Operating Speeds - 7-9 MPH Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 35 Clean Terra Max of mud, dirt, excess oil and grease. Grease exposed cylinder rods to prevent rust. Use touch-up paint to cover scratches, chips and worn areas to prevent rust. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 36 Lubricate areas listed under “Lubrication” on page 28. Replace any worn, damaged, or illegible safety labels by obtaining new labels from your Great Plains dealer. Check and tighten or replace any hydraulic leaks. Check hoses for any leaks. It is important that there are no leaks on the equipment.
Page 37 13. Re-install pin (7) after adjustment is made. Figure 35 42860 Rear Gang Angle Straight Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 38 15. Remove bolt (1) from either end of gauge link (2) and turn threaded end (3) until indicator (4) reads 0 degrees. 16. Re-install bolt (1) to secure gauge link. Figure 36 42253 Gang Angle Indicator Adjustment Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 39 1 zerk on each hub; 6-8 total Type of Lubrication: Grease Quantity: Sparingly. Do Not Over Grease, may cause damage to seal. Repack wheel bearings annually or every 2500 acres. Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 40 Center 30 (503 kPa) Galaxy www.atgtire.com www.bkt-tire.com Transport/ 52 psi 11L-15SL 12-Ply Wings 20 & 25 (359 kPa) Transport/ 52 psi 12.5L x 15” 12-Ply Wings 30 (359 kPa) Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 41 -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 | 586-831M | 07/29/2020 Table of Contents Index...
Page 42 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 | 586-831M | 07/29/2020 Table of Contents Index...
Page 43 Great Plains reserves the right to make changes in materials or design of the product at any time without notice. The warranty shall not be interpreted to render Great Plains liable for damages of any kind, direct or consequential or contingent to property.
Page 44 HT1100-20 - HT1100-30 Table of Contents Index Appendix Great Plains | 586-831M | 07/29/2020 Table of Contents Index...
Page 45 ...........10 tires ............3 orientation rose ........10 depth control valve ......16 torque values chart (wheel bolts)..38 O-Ring Boss ........37 depth stop ........27 towing ..........23 owner assistance ....... 11 Great Plains | 586-536M | 2020-07-29 Cover Table of Contents...
Page 46 838-606C, decal ........8 838-611C, decal ........8 838-612C, decal ........9 838-613C, decal ........9 838-614C, reflector .......5 838-615C, reflector .......5 848-271C, decal ........9 858-967C, decal ........6 890-798C, clevis .........15 9.5L x 15" 8-Ply ........36 Great Plains | 586-536M | 2020-07-29 Cover Table of Contents...
Page 47 Table of Contents Index Table of Contents Index...
Page 48 Table of Contents Index Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

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Terra max ht1100-25 Terra max ht1100-30