TMG TMG-TFMO50 User manual

v.2022.12.05
TRACTOR OFFSET
FLAIL MOWER
TMG-TFMO50/60/70
tttttTFM60/TFM68
/TFM72TFM60/TFM6
8/TFM72

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CONTENTS
IMPORTANT SAFETY INFORMATION ....................................................................................................................................................................... 3
Safety always...................................................................................................................................................................................3
Transport machinery safely.............................................................................................................................................................4
Safety Labels...................................................................................................................................................................................5
INTRODUCTION ...................................................................................................................................................................................................... 6
Using This Manual...........................................................................................................................................................................6
Terminology ....................................................................................................................................................................................6
Owner Assistance............................................................................................................................................................................6
SECTION 1: ASSEMBLY AND SET-UP ....................................................................................................................................................................... 7
Tractor Requirements......................................................................................................................................................................7
Packing Description.........................................................................................................................................................................7
Installation Wizard.........................................................................................................................................................................10
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 Mower .......................................................................................................................................................................14
Cutting Height Adjustment ............................................................................................................................................................14
3-Point Hitch Adjustments ............................................................................................................................................................14
Belt Tension...................................................................................................................................................................................14
SECTION 4: MAINTENANCE AND LUBRICATION..................................................................................................................................................... 14
Maintenance..................................................................................................................................................................................14
Knife Replacement ........................................................................................................................................................................15
V-Belt Installation ..........................................................................................................................................................................15
Storage..........................................................................................................................................................................................15
Lubrication.....................................................................................................................................................................................15
SECTION 5: SPECIFICATIONS & CAPACITIES .........................................................................................................................................................16
SECTION 6: TROUBLESHOOTING ............................................................................................................................................................................16
SECTION 7: APPENDIX...........................................................................................................................................................................................17
Bolt Torque....................................................................................................................................................................................17
Warranty ........................................................................................................................................................................................18
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 extrasafety 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.
Riders obstruct of operator’s view, they could be struck by foreign objects or thrown from the machine.
Never allow children to operate equipment.
Practice safe maintenance
1. Understand procedure before doing work. Use proper tools and equipment. refer to Operator’s
2. Manual for additional information.
3. Work in a clean dry area.
4. Lower the implement to the ground, put tractor in park, turn off engine, and remove key before performing maintenance.
5. Allow implement to cool completely.
6. Do not grease or oil implement while it is operation.
7. Inspect all parts. Make sure parts are in good condition and installed properly.
8. Remove buildup of grease, oil or debris.
9. Remove all tools and unused parts from implement before operation.
10. Prepare for emergencies
11. Be prepared if a fire starts.
12. Keep a fist aid kit and fire extinguisher handy.
13. 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.
WARNING
The transport and storage safety pin must be removed during operation. Failure to do so will result in product failure and damage
to the product and possible injury.

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Proper Transportation of the product is essential to safe and proper operation. Please see picture below for the proper way to
transport the TMG-TFMO series of products.
Safety Labels
Your Flail Mower 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.
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.
Pin must be removed during operation
Main body of the TMG-TFMO
should be in vertical position
during transportation
Pin must be installed
during transport

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Safety labels
This shows the grease position.
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 Flail Mowers are designed for Category 1 - three point hitch or Quick-Hitch System mounting. These Fixed Bar Flail Mowers
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
This mower is designed with a 3-Point category 1 hitch. Tractor horsepower rating should not exceed 50 PTO horse power.
Packing Description
1. Remove and check
Remove the packing, check goods without defect and omission.
Figure 1-1: The Mower and Accessory in Package
2. Packing List
The detailed packing list of the mower and accessory as the following table.
Item
Description
Qty.
Package Form
1
Main body of the mower and fittings
1
None
2
Driveline shaft
1
None
3
Swing arms sub-assembly and fittings
1
Pearl cotton
4
Hitch tube weldment and fittings
1
None
5
Raker sub-assembly
2
Bubble film

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The detailed description of main body of the mower and fittings
Figure 1-2: Main Body of The Mower and Fittings
Item
Description
Qty.
1
Main body of the mower
1
2
Locknut M30x2
2
3
Plain washer 30
2
4
Swing arm pin - shorter
1
5
Swing arm pin 1 - longer
1
The detailed description of swing arms sub-assembly and fittings
Figure 1-3: Swing Arms Sub-Assembly and Fittings
Item
Description
Qty.
1
Swing arms sub-assembly
1
2
Safety pin of hitch weldment
1
3
R pin
1
4
Bolt M24x140
1
5
Plain washer 24
1
6
Locknut M24
1

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The detailed description of hitch tube weldment and fittings
Figure 1-4: Hitch Tube Weldment and Fittings
Item
Description
Qty.
1
Hitch tube weldment
1
2
Safety lock pin
3
3
Hitch pin - upper
1
The detailed description of Raker sub-assembly
Figure 1-5: Raker Sub-Assembly
Item
Description
Qty.
1
Raker weldment
2
2
R pin
2
3
Plastic plug
2
4
Raker pin
2

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Installation Wizard
The installation wizard will guide you to finish the final assembly of your new mower easily.
1. Tool Required
Air impact wrench with 36mm sleeve and 46mm sleeve.
2. Torque Application
Refer to bolt torque in Section 7 Appendix.
3. Assembly
Step1: Adjusting Overturning Bracket Weldment on Main Body of The Mower
Remove the packaging of main body of the mower and fittings.
Remove the oil inlet pipe and oil outlet pipe on the item1 to release the pressure in the cylinder. That will make it easy to turn
the item2 90°clockwise.
Reinstall those oil pipes after the item2 is in position as shown in figure6.
Figure 1-6: Adjusting Overturning Bracket and Installing Swing Arms Sub-Assembly
Item
Description
1
Overturning cylinder sub-assembly
2
Overturning bracket weldment
3
Swing arm weldment - bigger
4
Swing arm weldment - smaller
Step2: Installing Swing Arms Sub-Assembly
Remove the packaging of swing arms Sub-Assembly and fittings.
Push swing arms sub-assembly into the overturning bracket weldment as shown in figure7. Fix it with 1pcs of swing arm pin-
shorter, 1pcs of swing arm pin-longer, 2pcs of plain washers 30 and 2pcs of locknuts M30.
Tighten locknuts completely.
Step3: Installing Hitch Tube Weldment and Fittings
Remove the packaging of hitch tube weldment and fittings.