TMG TMG-TRC48 User manual

PRODUCT MANUAL
v.2023.4.19
3-POINT HITCH
ROTARY CUTTER
TMG- TRC 48 / 60
tttttTFM60/TFM68/
TFM72TFM60/TFM68/
TFM72

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CONTENTS
IMPORTANT SAFETY INFORMATION ............................................................................................................... 3
Safety always .............................................................................................................................................................................................3
Transport machinery safely.......................................................................................................................................................................4
Safety Labels..............................................................................................................................................................................................4
INTRODUCTION.................................................................................................................................................. 5
Using This Manual......................................................................................................................................................................................5
Terminology................................................................................................................................................................................................5
Owner Assistance ......................................................................................................................................................................................5
SECTION 1: ASSEMBLY AND SET-UP ............................................................................................................... 6
Tractor Requirements ................................................................................................................................................................................6
Packing Description...................................................................................................................................................................................6
Packing List ................................................................................................................................................................................................7
Installation Wizard .....................................................................................................................................................................................9
Tractor Hook-Up.......................................................................................................................................................................................12
Driveline Installation.................................................................................................................................................................................12
SECTION 2: OPERATING INSTRUCTIONS.......................................................................................................13
Transporting .............................................................................................................................................................................................13
Mowing Instructions ................................................................................................................................................................................13
Operating Instructions .............................................................................................................................................................................13
SECTION 3: ADJUSTMENTS............................................................................................................................14
Leveling the Rotary cutter........................................................................................................................................................................14
Cutting Height Adjustment......................................................................................................................................................................14
3-Point Hitch Adjustments ......................................................................................................................................................................14
Belt Tension..............................................................................................................................................................................................14
SECTION 4: MAINTENANCE AND LUBRICATION...........................................................................................14
Maintenance.............................................................................................................................................................................................14
Knife Replacement...................................................................................................................................................................................14
Storage......................................................................................................................................................................................................15
Lubrication................................................................................................................................................................................................15
SECTION 5: SPECIFICATIONS & CAPACITIES ................................................................................................15
SECTION 6: TROUBLESHOOTING....................................................................................................................16
SECTION 7: APPENDIX.....................................................................................................................................17
Warranty....................................................................................................................................................................................................17
Bolt Torque ...............................................................................................................................................................................................17
PART BREAKDOWN LIST .................................................................................................................................19

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IMPORTANT SAFETY INFORMATION
Safety always
Thoroughly read and understand the instructions given in this manual before operation. Refer to the “Safety Decal”, read all
instructions noted on them.
Do not allow anyone to operate this equipment who has not fully read and comprehended this manual and who has not been
properly trained in the safe operation of the equipment.
1. Operator should be familiar with all functions of the unit. Operate implement from the driver’s seat only.
2. Make sure all guards and shields are in place and secured before operating the implement.
3. Do not leave tractor or implement unattended with engine running.
4. Dismounting from a moving tractor could cause serious injury or death.
5. Do not stand between tractor and implement during hitching.
6. Keep hands, feet, and clothing away from power-driven parts.
7. Wear snug fitting clothing to avoid entanglement with moving parts.
8. Watch out for wires, trees, etc., when raising implement. Make sure all persons are clear of working area.
9. Turning tractor too tight may cause implement to ride up on wheels. This could result in injury or equipment damage.
Look For the Safety Alert Symbol
The SAFETY ALERT SYMBOL indicates there is a potential hazard to personal safety involved and extra safety precaution
must be taken. When you see this symbol, be alert and carefully readthe message that follows it. In addition to design and
configuration of equipment, hazard controland accident prevention are dependent upon the awareness, concern,
prudence, and proper training of personnel involved in the operation, transport, maintenance and storage of equipment.
Be aware of signal words
A signal word designates a degree or level of hazard seriousness. The signal words are:
DANGER
Indicates an imminently hazardous situation which, if not avoids, will result in death or serious injury. This signal word is limited to
the most extreme situations, typically for machine components that, for functional purpose, cannot be guarded.
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury, and includes hazards that
are exposed when guards are removed. It may also be used to alert against unsafe practices.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to
alert against unsafe practices.
For you protection
Thoroughly read and understand the “safety label” section, read all instructions noted on them.
Shut down and storage
Lower machine to ground, put tractor in park, turn off engine, and remove the ignition key.
Detach and store implements in a area where children normally do not play. Secure implement by using blocks and supports.
Use safety lights and devices
Slow moving tractors, self-propelled equipment, and towed implements can create a hazard when driven on public roads. They
are difficult to see, especially at night.
Flashing warning lights and turn signals are recommended whenever driving on public roads. Use lights and devices provided
with implement.

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Transport machinery safely
1. Comply with state and local laws.
2. Maximum transport speed for implement is 20 mph. Do not exceed. Never travel at a speed which does not allow adequate
control of steering and stopping. Some rough terrain require a slower speed.
3. Sudden braking can cause a towed load to swerve and upset. Reduce speed if towed load is not equipped with brakes.
4. Use the following maximum speed - tow load weight ratios as a guideline:
5. 20 mph when weight is less than or equal to the weight of tractor.
6. 10 mph when weight is double the weight of tractor.
7. IMPORTANT: Do not tow a load that is more than double the weight of tractor.
Keep riders off machinery
1. Riders obstruct of operator’s view, they could be struck by foreign objects or thrown from the machine.
2. Never allow children to operate equipment.
Practice safe maintenance
1. Understand procedure before doing work. Use proper tools and equipment. refer to Operator’s Manual for additional
information.
2. Work in a clean dry area.
3. Lower the implement to the ground, put tractor in park, turn off engine, and remove key before performing maintenance.
4. Allow implement to cool completely.
5. Do not grease or oil implement while it is operation.
6. Inspect all parts. Make sure parts are in good condition and installed properly.
7. Remove buildup of grease, oil or debris.
8. Remove all tools and unused parts from implement before operation.
Prepare for emergencies
1. Be prepared if a fire starts.
2. Keep a fist aid kit and fire extinguisher handy.
3. Keep emergency numbers for doctor, ambulance, hospital and fire department near phone.
Wear protective equipment
1. Protective clothing and equipment should be worn.
2. Wear clothing and equipment appropriate for the job. Avoid loose fitting clothing.
3. Prolonged exposure to loud noise can cause hearing impairment or hearing loss. Wear suitable hearing protection such as
earmuffs or earplugs.
4. Operating equipment safely requires the full attention of the operator. Avoid wearing radio headphones while operating
machinery.
Avoid high pressure fluids hazard
1. Escaping fluid under pressure can penetrate the skin causing serious injury.
2. Avoid the hazard by relieving pressure before disconnecting hydraulic lines.
3. Use a piece of paper or cardboard, not body parts, to check for suspected leaks. Wear protective gloves and safety
glasses or goggles when working with hydraulic systems.
4. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be treated within a few hours or
gangrene may result.
Safety Labels
Your Rotary Cutter comes equipped with all safety labels in place. They were designed to help you safely operate your
implement. Read and follow their directions.
1. Keep all safety labels clean and legible.
2. Replace all damaged or missing labels. To order new labels go to your nearest TMG dealer or visit our dealer locator at
TMG.com.

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3. Some new equipment installed during repair requires safety labels to be affixed to the replaced component as specified
by TMG. When ordering new components make sure the correct safety labels are included in the request.
4. Refer to this section for proper label placement. To install new labels:
a. Clean the area the label is to be placed.
b. Spray soapy water on the surface where the label is to be placed.
c. Peel backing from label. Press firmly onto the surface.
d. Squeeze out air bubbles with the edge of a credit card.
Safety labels
Introduction
TMG welcomes you to the growing family of new product owners. This implement has been designed with care and built by
skilled workers using quality materials. Proper assembly, maintenance, and safe operating practices will help you get years of
satisfactory use from the machine.
The Rotary cutters are designed for Category 1 - three point hitch or Quick-Hitch System mounting. These Fixed Bar Rotary
Cutters are ideal for ripping, leveling, finish grading, and backfilling applications at feedlots, outdoor arenas, building sites, and
maintenance operations on farm and ranch lanes or roadways.
Using This Manual
1. This Operator’s Manual is designed to help familiarize you with safety, assembly, operation, adjustments, troubleshooting,
and maintenance. Read this manual and follow the recommendations to help ensure safe and efficient operation.
2. The information contained within this manual was current at the time of printing. Some parts may change slightly to
assure you of the best performance.
3. To order a new Operator’s or Parts Manual contact your authorized dealer. Manuals can also be printed from the TMG
Service & Support Center by your dealer.
Terminology
“Right” or “Left” as used in this manual is determined by facing the direction the machine will operate while in use unless
otherwise stated.
Note: A special point of information that the operator must be aware of before continuing.
Important: A special point of information related to its preceding topic. The intention is that this information should be read and
noted before continuing.
Owner Assistance
The Warranty Registration card should be filled out by the dealer at the time of purchase. This information is necessary to
provide you with quality customer service. If customer service or repair parts are required contact a dealer. A dealer has trained
personnel, repair parts and equipment needed to service the machine.
The parts on your machine have been specially designed and should only be replaced with genuine parts.
Serial Number Plate
For prompt service always use the serial number and model number when ordering parts from your dealer. Be sure to include
your serial and model numbers in correspondence also.

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Section 1: Assembly and Set-up
Tractor Requirements
Tractor horsepower should be within the range noted below. Tractors outside the horsepower range must not be used. Must be
using a minimum of 40 hp when operating at maximum capability. The lower 3-Point arms must be stabilized to prevent side to
side movement. Most tractors have sway blocks or adjustable chains for this purpose.
Required Horsepower Range . . . . . . . . . 20 to 60 hp (min 40 PTO hp for max. capacity)
Power Take-off Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540 rpm
Spline Shaft Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 3/8” – 6 Spline
Hitch Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-Point Cat 1 or Quick-hitch
Packing Description
Remove any loose parts or packaging from the crate. Check goods without damage and omission.
FIGURE 1: Your New Standard Rotary Cutter as It Is Shipped to You
FIGURE 2: The Standard Rotary cutter and Accessory in Package

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Packing List
The detailed packing list as the following table.
Item
Description
Qty.
Package Form
1
Main body of the Rotary Cutter
1
None
2
Front and rear braces
1
Bubble film
3
Driveline shaft with clutch
1
Bubble film
4
Wheel tire assembly and fittings
1
Bubble film
5
Pivoting upper hitch-black and
fittings
1
Bubble film
6
Tailwheel adjusting bracket and
fittings
1
Bubble film
7
R&L Skid weldment and fittings
1
Bubble film
8
Iron crate
1
None
9
Removable angle steel
2
Crate attachment
10
Locknut M10
16
Crate attachment
11
Bolt M10x25
16
Crate attachment
12
Removable angle steel support
2
Crate attachment
13
Top bracing
2
Crate attachment
The detailed description of front and rear braces
FIGURE 3: Front and Rear Braces
Item
Description
Qty.
1
Rear brace
2
2
Front brace
2
The detailed description of wheel tire assembly and fittings
FIGURE 4: Wheel Tire Assembly and Fittings
Item
Description
Qty.
1
Rubber tire assembly
1
2
Spacer H=6
1
3
Cap shaft mount
1
4
Safety lock pin φ8x45
1
The detailed description of pivoting upper hitch-black and fittings

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FIGURE 5: Pivoting Upper Hitch-Black and Fittings
Item
Description
Qty.
1
Safety lock pin φ11x50
1
2
Hitch pin - upper
1
3
Pivoting upper hitch-black
1
4
Plain washer 16
2
5
Bolt M16x110
1
6
Spacer
2
7
Locknut M16
1
The detailed description of tailwheel adjusting bracket and fittings
FIGURE 6: Tailwheel Adjusting Bracket and Fittings
Item
Description
Qty.
1
Locknut M16
2
2
Plain washer 16
4
3
Bolt M16x55
2
4
Gauge wheel mainframe weldment
1
5
Plain washer 12
4
6
Bolt M12x40
2
7
Locknut M12
2
The detailed description of R&L skid weldment and fittings

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FIGURE 7: R&L skid weldment and fittings
Item
Description
Qty.
1
Skid weldment - R
1
2
RHSNB M10x25 GR10.9
8
3
Plain washer 10
8
4
Locknut M10
8
5
Skid weldment - L
1
Installation Wizard
The installation wizard will guide you to finish the final assembly of your new rotary cutter easily.
1. Tool Required
1/2” Ratchet Wrench with 13mm,16mm,24mm sleeves
17-19,22-24Spanner
Safety Goggles and Gloves Installation
2. Installation
Cut all zip ties and disassemble shipping crate.
Step1: Installing front & rear braces, pivoting upper hitch-black, tailwheel adjusting bracket and fittings
Remove the packaging of front & Rear braces, pivoting upper hitch-black, tailwheel adjusting bracket and fittings.
Installing front & rear braces, pivoting upper hitch-black, tailwheel adjusting bracket and fittings onto main body of the rotary
cutter according to the figure 8.
Tighten item 7, item 17 completely. Tighten item10 but make sure item6 & item13 can rotate freely.

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FIGURE 8: Installing Braces, Pivoting Upper Hitch-Black, Tailwheel Adjusting Bracket and Fittings
Item1 – Main body of the rotary cutter Item2 – Front brace （2pcs）
Item3 – Rear brace (2pcs) Item4 – Plain washer16 (6pcs) Item5 – Bolt M16x55 (2pcs)
Item6 – Gauge wheel mainframe weldment (1 set) Item7 – Locknut M12 (2pcs)
Item8 – Plain washer 12 (4pcs) Item9 – Bolt M12x40 (2pcs) Item10 – Locknut M16 (3pcs)
Item11 – Bolt M16x110 (1pcs) Item12 – Spacer (2pcs)
Item13 – Pivoting upper hitch-black (1pcs) Item14 – Hitch pin lower (2pcs)
Item15 – Plain washer 22 (2pcs) Item16 – Spring washer 22 (2pcs)
Item17 – Hex. Nut M16 (2pcs)
Step2: Installing R&L skid weldment and fittings
Remove the packaging of R&L skid weldment and fittings.
Align lower link arms of tractor to hitch lower hitch pins into lower ball swivels. Attach with safety lock pin.
Raise rotary cutter from the ground. Install R&L skid weldment onto the rotary cutter.
Tighten locknuts completely.