Page 1
TMG-TDH04 PRODUCT MANUAL v2024.08.19 4’ 3-PT NOTCHED DISC HARROW Please read and understand the product manual completely before assembly Check against the parts list to make sure all parts are received Wear proper safety goggles or other protective gears while in assembly Do not return the product to dealer.
TABLE OF CONTENTS TABLE OF CONTENTS ........................Important Information and warnings ............................Safety Warning Labels ..........................Product Features and Benefits ............................. Products Specifications ..............................Pre Installation ..............................Installation ..............................Operation ..........................Inspection and Maintenance ............................. Troubleshooting ..........................Parts List and Explosion View Conventions used in this manual WARNING This indicates a hazardous situation, which, if not avoided, could result in death or serious injury.
IMPORTANT INFORMATION AND WARNINGS WARNING ● Read this safety & operating Instructions manual before you use the TMG INDUSTRIAL 3-PT CAT-1 Notched Disc Harrow. Become familiar with the operation and service recommendations to ensure the best performance from your machine.
Page 4
● To be safe, DO NOT operate the 3-PT Disc Harrow near small children or pets, and NEVER allow children to operate the 3-PT Disc Harrow. Stop the grading action when another person or pet approaches. ● DO NOT under any conditions, remove, bend, cut, fit, weld, or otherwise alter standard parts on this 3-PT Disc Harrow. Modifications to your machine could cause personal injuries and will void your warranty.
● Sharp discs can cause injury. Be cautious when closing to the sharp notched discs ● Store blocking the discs securely from rolling, out of reach of children.Not for use by or around children. 5. SAFETY FOR CHILDREN AND PETS Tragic accidents can occur ifthe operator is not alert to the presence of children and pets.
Read and follow their directions. 1. Keep all safety labels clean and legible. 2. Refer to this section for proper label placement. Replace all damaged or missing labels. Order new labels from your nearest TMG INDUSTRIAL dealer. 3. Some new equipment installed during repair requires safety labels to be affixed to the replaced component as specified by TMG INDUSTRIAL.
PRODUCT FEATURES AND BENEFITS 4 FT 3-PT NOTCHED DISC HARROW FEATURES AND BENEFITS FEATURES & BENEFITS Model No. TMG-TDH04 Fit CAT-1, 3-PT hitch, It is also CAT-1 3-PT quick hitch compatible(top hook adjustable Compatibility quick hitch) 48” cultivation width can easily and quickly till up smaller food plot Max 7” deep to...
1. APPLICATION This TMG INDUSTRIAL TMG-TDH04 Economy Disc Harrows are designed to open up and break up the soil surface and to prepare the soil for seedbed or planting preparation. It is adapted for Category 1 three-point hitch mounting on tractors in the 20- 30 horsepower range, and are Quick Hitch adaptable.
INSTALLATION INSTRUCTIONS NOTICE This 3-PT Notched Disc Harrow comes nearly fully assembled except the A frame/3-PT bracket(#6) and brace(#4) Figure1, so you only need to assemble the A frame/3-PT Bracket(#6) and Brace(#4) with the bolts and nuts easily. A FRAME SET-UP: Step 1.
Page 11
TRACTOR HOOK-UP TO THE 3-PT NOTCHED DISC HARROW WARNING To avoid serious injury or death: Keep disc blade from rolling at all times with any heavy blocks while hooking it to a tractor. Keep feet and all other body extremities out from near the disc blade areas as they could cause serious injury. Figure 2 Refer to Figure 2 Step 1.
Page 12
UNHOOK TRACTOR FROM 3-PT NOTCHED DISC HARROW WARNING To avoid serious injury: Block the disc harrow securely from rolling move while unhooking it from a tractor. Keep feet and all other body extremities out from under the lower 3-point hitch and notched disc areas as the sharp discs could rolling move causing serious injury. Figure 3 Refer to Figure 3 1.
OPERATION INSTRUCTION OPERATING CHECKLIST Hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training involved in the operation, transport, maintenance and storage of the 3-PT notched disc harrow. Therefore, it is absolutely essential that no one operates this disc harrow unless they have read, fully understood, and are totally familiar with the Operator’s Manual.
Page 14
Once you have familiarized yourself with the Operator’s Manual, completed the Operator’s Checklist, and properly attached your TMG INDUSTRIAL 3-PT Notched Disc Harrow to your tractor’s 3-point hitch mounting, you should be just about ready to start “management and handling” of it.
Page 15
6. Once you are finished using your disc, park it on a dry and level surface, clean it, and make it ready for the next use. With a little practice you will be able to achieve excellent results from your TMG INDUSTRIAL Disc Harrow. See “Features and Benefits”...
Page 16
With a little practice you will be able to achieve excellent results from your TMG INDUSTRIAL 3-PT Notched Disc Harrow 17. Store 3-PT Disc Harrow in an area where it can easily be seen, out of children’s reach, securely blocked from disc rolling...
7. Clean all the mud and weeds with hose or the pressure washer after each use. 8. Have necessary repairs made by qualified service personnel. 9. Replace any worn, damaged, or illegible safety labels by obtaining new labels from your near TMG INDUSTRIAL dealer. WARNING To avoid serious injury or death: ●...
2. Lubrication Points Multi- Multi- Intervals in Multi-purpose purpose purpose hours at which Lubrication spray lube grease lubrication Legend lube lube is required Figure 11 LUBRICATION: Multi-purpose Grease Lube, Quantity = Add grease until grease begins to emerge Clean the debris from around Lubrication Points with a clean rag (Figure 11).
Page 19
Torque Values Chart for Common Bolt Sizes Bolt Head Identification Bolt Head Identification 10.9 Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9 Bolt Size Bolt Size (inches) (Metric) ft-lb ft-lb ft-lb ft-lb ft-lb N · m N ·...
LONG-TERM STORAGE Clean, inspect, service, and make necessary repairs to the implement when storing it for long periods and at the end of the season. This will help to ensure the unit is ready for field use the next time you hook-up to it. 1.
TROUBLESHOOTING TROUBLESHOOTING CHART Problem Cause Solution Disc blades are moving too much soil to Tilt Disc Harrow up at the rear by shortening Disc Harrow makes a high center the center. the center 3-Point link. See“Disc Leveling ridge. Front To Rear” on page 15. Decrease tractor speed.
Page 23
PAST LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Disc harrow frame Bolt M16x100 Front disc depth bracket Spacer Bolt M12x90 Lock Nut M16 Plain washer ø12 Bolt M16*50 Lock nut M12 Nut M24 Up hub mounting body Spring +Flat Washer 24 Down hub mounting body Inner Hub End Grease fitting...
Need help?
Do you have a question about the TMG-TDH04 and is the answer not in the manual?
Questions and answers