TMG TMG-MVE09K User manual

KOHLER POWERED
MINI EXCAVATOR
PRODUCT MANUAL
v.2023.10.24
TMG-MVE09K

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CONTENTS
GENERAL .............................................................................................................................................................................. 4
YOUR SAFETY ............................................................................................................................................................................. 4
SAFETY TRAINING ....................................................................................................................................................................... 4
DIRECTION .................................................................................................................................................................................. 5
ENGINE NUMBER .......................................................................................................................................................................... 5
SYMBOL ...................................................................................................................................................................................... 5
IMPORTANT SAFETY INFORMATION ........................................................................................................................................ 6
GENERAL SAFETY ........................................................................................................................................................................ 6
DURING MACHINE OPERATION ...................................................................................................................................................... 8
DURING REPAIR AND MAINTENANCE ........................................................................................................................................... 14
SAFETY SIGNS .......................................................................................................................................................................... 19
SAFETY DECALS ........................................................................................................................................................................ 19
PERFORMANCE PARAMETERS .............................................................................................................................................. 23
MAJOR COMPONENTS ............................................................................................................................................................... 23
SPECIFICATION ......................................................................................................................................................................... 24
OPERATING RANGE .................................................................................................................................................................... 24
BUCKET SHOPPING GUIDE .......................................................................................................................................................... 25
CHASSIS ................................................................................................................................................................................... 25
PERFORMANCE PARAMETERS OF MAJOR COMPONENTS ............................................................................................................. 25
RECOMMENDED OIL ................................................................................................................................................................... 26
CONTROL DEVICE ................................................................................................................................................................. 27
OPERATION CONTROL ............................................................................................................................................................... 27
KEY SWITCH .............................................................................................................................................................................. 28
OPERATION ......................................................................................................................................................................... 30
TO THE NEW OPERATOR OR OWNER .......................................................................................................................................... 30
BREAKING IN YOUR NEW MACHINE ............................................................................................................................................. 30
SUGGESTIONS FOR NEW MACHINES ............................................................................................................................................ 30
INSPECTION BEFORE STARTING THE ENGINE ............................................................................................................................... 31
TRANSPORTATION .............................................................................................................................................................. 39
PREPARATION BEFORE TRANSPORTATION .................................................................................................................................. 39
LOADING OF THE MACHINE ......................................................................................................................................................... 39
FIXING OF MACHINE ................................................................................................................................................................... 39
USE A CRANE TO LOAD AND UNLOAD THE MACHINE .................................................................................................................... 39
MAINTENANCE .................................................................................................................................................................... 40
ILLUSTRATE .............................................................................................................................................................................. 40
TIGHTENING TORQUE ................................................................................................................................................................. 41
TECHNICAL SPECIFICATIONS FOR FUEL,COOLANT AND LUBRICANTS ........................................................................................... 42
MAINTENANCE CHECKLIST ........................................................................................................................................................ 42
MAINTENANCE CHART ............................................................................................................................................................... 44
MAINTENANCE INSTRUCTIONS ................................................................................................................................................... 44
ELECTRICAL SYSTEM ................................................................................................................................................................. 50
FAULT ANALYSIS GUIDE ...................................................................................................................................................... 51
ENGINE ..................................................................................................................................................................................... 51
ELECTRICAL SYSTEM ................................................................................................................................................................. 52
OTHERS .................................................................................................................................................................................... 52
PARTS LIST ........................................................................................................................................................................ 53
A01 LOWER FRAME ASSEMBLY ................................................................................................................................................. 53
B01 UPPER FRAME COMPONENTS ............................................................................................................................................ 58
C01 BUCKET ASSEMBLY ........................................................................................................................................................... 60

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D01 WORKING DEVICE .............................................................................................................................................................. 61
D02 WORKING DEVICE -BOOM ASSEMBLY ............................................................................................................................... 66
D03 WORKING DEVICE –DIPPER STICK ASSEMBLY ................................................................................................................... 66
D04 WORKING DEVICE -CONNECTING ROD ASSEMBLY ............................................................................................................. 67
E01 CONTROL DEVICE WELDING PARTS .................................................................................................................................... 68
E02 RIGHT JOYSTICK WELDING PART ....................................................................................................................................... 69
E03 LEFT JOYSTICK WELDING PART ......................................................................................................................................... 70
E04 MECHANICAL LOCKING SHAFT WELDING PARTS ................................................................................................................. 71
E05 WALKING CONNECTION SLEEVE WELDED PARTS ................................................................................................................ 72
E06 TRAVELING CONNECTING SLEEVE WELDED PARTS .............................................................................................................. 73
E07 INSTALLATION OF MULTI-WAY VALVE ............................................................................................................................... 74
E08 INSTALLATION MULTI-WAY VALVE ..................................................................................................................................... 74
E09 INSTALLATION AND CONTROL OF CROSS FORK WELDING PARTS ........................................................................................ 75
E10 RIGHT JOYSTICK LINK ........................................................................................................................................................ 76
E11 LEFT JOYSTICK LINK .......................................................................................................................................................... 77
E12 HAND-HAND CONTROL COMPONENTS ................................................................................................................................. 78
E13 THROTTLE LEVER ............................................................................................................................................................... 79
E14 DAMPER LEVER .................................................................................................................................................................. 80
E15 SWITCHING VALVE ASSEMBLY ........................................................................................................................................... 81
E16 SWITCHING VALVE JOYSTICK ............................................................................................................................................. 82
E17 BROKEN JOYSTICK ............................................................................................................................................................. 83
F01 GASOLINE ENGINE .............................................................................................................................................................. 84
F02 RETURN SPRING ................................................................................................................................................................ 84
F03 SOME ACCESSORIES OF GASOLINE ENGINE ........................................................................................................................ 85
F04 EXHAUST PIPE WELDING PARTS ........................................................................................................................................ 86
F05 OIL SWITCH ....................................................................................................................................................................... 87
F06 THROTTLE CABLE /AIR VALVE PUSH-PULL FLEXIBLE SHAFT .............................................................................................. 87
G01 PUMP AND FUEL TANK ASSEMBLY .................................................................................................................................... 88
H01 UPPER FRAME HYDRAULIC SYSTEM –YAW OIL CIRCUIT ................................................................................................... 91
H01 UPPER FRAME HYDRAULIC SYSTEM -TRAVELING OIL CIRCUIT ........................................................................................... 92
H01 UPPER FRAME HYDRAULIC SYSTEM -ROTARY OIL CIRCUIT ................................................................................................ 93
H01 UPPER FRAME HYDRAULIC SYSTEM -YAW /TRAVEL /OIL CIRCUIT .................................................................................... 94
H02 ROTARY MOTOR ASSEMBLY .............................................................................................................................................. 95
I01 WORKING DEVICE HYDRAULIC SYSTEM -BUCKET OIL CIRCUIT ............................................................................................. 96
I01 WORKING DEVICE HYDRAULIC SYSTEM –DIPPER STICK CIRCUIT ......................................................................................... 97
I01 WORKING DEVICE HYDRAULIC SYSTEM -BIG ARM OIL CIRCUIT ............................................................................................ 98
I01 WORKING DEVICE HYDRAULIC SYSTEM -BUCKET /DIPPER STICK /ARM OIL CIRCUIT .......................................................... 99
J01 LOWER FRAME HYDRAULIC SYSTEM ................................................................................................................................. 100
K01 COVER WELDING PARTS /INSULATION COTTON ............................................................................................................... 101
K02 COVER WELDING PARTS /INSULATION COTTON ............................................................................................................... 102
K03 LEFT REAR COVER /STEEL MESH .................................................................................................................................... 102
K04 RIGHT REAR COVER /STEEL MESH .................................................................................................................................. 103
K05 RIGHT REAR COVER /STEEL MESH .................................................................................................................................. 103
K06 CONTROL DEVICE COVER /SHEATH ................................................................................................................................. 104
K07 CONTROL DEVICE COVER /SHEATH ................................................................................................................................. 105
K08 HINGE WELDING PARTS ................................................................................................................................................... 105
K09 LEFT COVER WELDING PART /RIGHT FRONT COVER WELDING PART ................................................................................ 106
K10 SEAT ............................................................................................................................................................................... 106
K11 ADJUSTMENT SCREW ...................................................................................................................................................... 107
L01 BOTTOM CONNECTING PLATE WELDING PARTS ................................................................................................................ 108
L02 SUPPORT FRAME WELDING PARTS ................................................................................................................................... 108
L03 UPPER ELBOW WELDING PARTS ....................................................................................................................................... 109
M01 DC FAN .......................................................................................................................................................................... 110
M02 BATTERY ........................................................................................................................................................................ 110
M03 RECTIFIER REGULATOR ................................................................................................................................................... 111
M04 ELECTRONIC SPEAKER .................................................................................................................................................... 112
M05 TIMER /DOUBLE SWITCH ................................................................................................................................................ 112
M06 WIRING HARNESS ........................................................................................................................................................... 113

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General
Read and understand the Operator’s Manual and all safety signs before using, maintaining, adjusting, or cleaning the Mini
Excavator.
Your Safety
YOU are responsible for the SAFE operation and maintenance of your TMG Mini Excavator. YOU must ensure that you and
anyone else who is going to use, maintain or work around the Mini Excavator be familiar with the using and maintenance
procedures and related SAFETY information contained in this manual. This manual will take you step-by-step through your
working day and alerts you to all good safety practices that should be used while using the Mini Excavator.
Remember, YOU are the key to safety. Good safety practices not only protect you but also the people around you. Make these
practices a working part of your safety program. Be certain that EVERYONE using this equipment is familiar with the
recommended using and maintenance procedures and follows all the safety precautions. Most accidents can be prevented. Do
not risk injury or death by ignoring good safety practices.
1.Mini Excavator owners must give operating instructions to operators or employees before allowing them to operate the
machine, and at least annually thereafter.
2.The most important safety device on this equipment is a SAFE operator. It is the operator’s responsibility to read and
understand ALL Safety and Operating instructions in the manual and to follow these. Most accidents can be avoided.
3.A person who has not read and understood all using and safety instructions is not qualified to use the machine. An untrained
operator exposes himself and bystanders to possible serious injury or death.
4.Do not modify the equipment in any way. Unauthorized modification may impair the function and/or safety and could affect
the life of the equipment.
5.Think SAFETY! Work SAFELY!
Safety Training
1.Safety is a primary concern in the design and manufacture of our products. Unfortunately, our efforts to provide safe
equipment can be wiped out by a single careless act of an operator or bystander.
2.In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the
awareness, concern, prudence, and proper training of personnel involved in the operation, transport, maintenance, and storage
of this equipment.
3.It has been said, "The best safety feature is an informed, careful operator." We ask you to be that kind of an operator. It is the
operator's responsibility to read and understand ALL Safety and Using instructions in the manual and to follow these. Accidents
can be avoided.
4.the machine. If this machine is used by any person other than yourself, or is loaned or rented, it is the machine owner's
responsibility to make certain that the operator, prior to using:
a. Reads and understands the operator's manuals.
b. Is instructed in safe and proper use.
5.Know your controls and how to stop the mini excavator quickly in an emergency.
6.Train all new personnel and review instructions frequently with existing workers. Be certain only a properly trained and
physically able person will use the machinery. A person who has not read and understood all using and safety instructions is
not qualified to use the machine. An untrained operator exposes himself and bystanders to possible serious injury or death. If
the elderly is assisting with the work, their physical limitations need to be recognized and accommodated.

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Direction
The direction described in this manual is the direction of which the travel motor is on
the rear.
The direction of the travelling machinery is the same as the front and rear, the right
and left direction of the operation crews.
Body and engine identification marks
Identification number
Please let us know the following contents if the parts or the machinery
disagrees with your order.
Identification number
The Identification number is located on the right lower corner of the cab.
Engine number
The engine number is located on the nameplate of the engine.
Symbol
Emphasize the secure prompt.
★ Specify the useful information to operation crews.

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IMPORTANT SAFETY INFORMATION
General Safety
Warning: For the sake of the safety, please comply with following safety notices.
Warning: Failed comply with following safety measures may lead to serious accident.
1. Comply with safety regulations
l Read all safety nameplates carefully and comply with those safety nameplates as well as all contents related to the safety
in this manual.
l Maintain and replace the safety nameplates when necessary.
l If the safety nameplates or this manual is damaged or lost, please place an order to the specified dealer for replacement
in the same way of ordering other parts (the model number and the serial No. of the machine shall be specified).
l The machinery and the controller shall be operated correctly and safely.
l The machinery can only be operated by the qualified and well trained person.
l Do not operate the machinery when you feel strange or take the medicament which may lead to the sleeping or drunk. The
operation of the machinery under such circumstances may influence your judgment and lead to the accident.
l It shall be guaranteed that all persons can understand the hand signal used when working together with other operation
crews or the person who takes the responsibility of traffic command.
l Keep the machinery under the suitable working condition.
l The unauthorized modification on the machinery may have negative influence on the function and the security and
shorten the service life of the machine. TMG takes no responsibility for the injury and damage caused by any
unauthorized modification.
l The safety instruction in the "Safety" section is the basic safety regulations of the machine. However, these relevant
safety instructions can not cover all hazardous conditions. Please ask for instructions from your headman before the
operation and maintenance of the machinery if there are any problems.
2. Precautions against emergency situation
Take precautions against the fire or accident.
l Arrange the first aid case at hand, maintain and replace the fire extinguisher periodically.
l Read and understand the instruction on the fire extinguisher carefully and use
the fire extinguisher correctly.
l In order to guarantee the normal operation of the fire extinguisher under
emergency situation all the time, the fire extinguisher shall be inspected and maintained as per the recommended
maintain interval specified in the fire extinguisher manual.
l Establish the emergency guide against the fire and accident.
l Paste the phone numbers of the doctor, the ambulance car, the hospital and fire company near the telephone.
3. Take on the protective clothing
l Dress maillot straitjacket and safety commodity suitable for operation.
The loose coverall, the ornament or other commodity may catch the operating lever or wear
other mechanical parts. Never let the coverall be caught by the parts projected from the
excavator. It is forbidden to close the ignition source with oil soaked coverall; it may lead to
the fire.
l Put on the suitable helmet and safety shoes and coverall. The ocular glass, the
breathing mask, muffler, the ear-plug or other arm shall be put on if the operation site is
dangerous.
4. Acoustics insulation
l The auditory sense may be damaged or lost if the operator is in the environment with large noise
for a long time.

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l Put on proper hearing conservation device, such as the ear cap or the ear-plug to prevent the harmful or uncomfortable
large noise.
5. Inspect machinery
l In order to avoid the injury to person, the machinery shall be patrol inspected carefully daily or per shift before starting the
machinery.
l All items stated in section "Inspection before start" of the operation crews manual shall be inspected during the patrol
inspection.
6. General matters need attention of operation
l Eliminate the mud and oil stain on the boot before on the set. The foot may slip off the pedal when operating the pedal
and other controller if there are the mud or oil stain at the bottom of the operating boot and lead to the personal injury.
l Do not put the part and the tool around the operating seat, store those in the specified place.
l Do not put the transparent bottle in the cab. Do not hang any kinds of transparent ornament on the windowsill. For it may
focus the sunlight and lead to the fire.
l Do not listen to the radio or use the earphone, the mobile telephone when operating the machinery.
l Do not place any flammable explosive substance in the cab.
l Close the ash pan cover all the time to extinguish the match or the cigarette end.
l Do not left the lighter in the cab for it may explode when the temperature of the cab is increased.
7. The machine must be locked before leaving the set.
l The pilot cutoff valve lever must be set on the perpendicular state and the operating handles of each working equipment
must be set on the middle position when the driver leaves the seat. Otherwise the working equipment may operate
abruptly and thereby lead to serious injury or damage if you touch the operating lever by chance.
l Lower the working equipment on the ground completely and shut down the engine until the engine is stopped when
leaving the machinery. Extract the start key and turn off inspect and repair switching power supply. Use the key to lock all
devices. The key shall be kept all the time.
8. Use the handrail and the footstep.
l The falling is one of the prime reasons of person injury.
l Always keep three points contacting with the footstep and the handrail and
face to the machinery when climbing up or down the machinery.
l Do not take any operating handle as the handrail.
l Neither jump on or out of the machinery nor climb up or down the moving
machinery.
l Pay attention to the skid of the platform, the footstep and the handrail
when leaving the machinery.
9. Prevent the hazard of the asbestos dust
It is dangerous of breathing the asbestos dust.
Following instructions shall be followed when handling the material with asbestos fiber.
l Do not use the compressed air to clear the contamination.
l Use the water to clear the dirt to prevent the mill dust from flying all about.
l Back to the wind direction as far as possible during the operation.
l Use the qualified respirator when necessary.
10. Avoid being squeezed or cut
Do not put the hand, the arm and other part of the body into or between the active
components, such as the working equipment and the cylinder, the frame and the working
equipment, etc.. The clearance will be changed when the machinery is running thereby it can
lead to the serious damage or injury to persons.
11. Matters need attention in relation to accessories

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l Read the utilization instruction manual and related content in this manual at first when installing and using the optional
accessories.
l Do not use the accessories which are not approved by TMG or TMG dealer. The unauthorized accessories used may lead
to the safety problem and the normal operation and service life of the machine may be influenced.
l TMG does not take any responsibility of the injury, accident and mechanical failure caused by the unauthorized
accessories used.
12. Matters need attention in utilization of driver guard cab (optional)
l The driver guard device for the cab is optional and this device complies with codes and standards of all nations but the
damage caused by falling body may reduce the strength and it dose not satisfy the design requirements any longer.
l Please contact the TMG dealer for maintenance under such circumstances. This device cannot protect the driver even
when the driver guard is installed if the driver dose not uses the safety belt correctly. So the safety belt must be buckle up
all the time during the operation.
During machine operation
Warning: For the sake of the safety, Please comply with following safety notices.
Warning: Failed comply with following safety measures may lead to serious accident.
1. Before starting operation
1) Investigate worksite beforehand
There is the possibility of overturn and it may lead to the severe fatalities when
operating on the limes margins or shoulder of road.
l Investigate the landform and ground state of worksite beforehand to prevent
the overturn of the machinery or the collapse of the ground, stockpile and the
riverside.
l Establish the operation plan and use the machinery correctly suitable for the
operation or the worksite.
l Strengthen the ground, the limes margins and the road shoulder as required; keep the machinery at a distance from the
limes margins and the road shoulder.
l Use the signaler as required when carrying out the operation on the slope or the road shoulder.
l Strengthen the ground before operation when the foundation is soft.
l Pay special attention to the operation on the frost ground. The foundation
may be soft and slip when the ambient temperature is increased.
l Pay attention to the fire possibility when operating the machinery near the hay
and other inflammable material.
2) Pay attention to the falling stone and broken stone.
Make sure that the machinery is provided with the driver guard when carrying out
the operation on a place which has stone block or possibility of falling broken
stone.
3) Confirm the travelling direction of the machine
l Wrong operation of the travel pedal/lever may lead to severe casualty
accident.
l Make sure the positional relationship of the lower travel rack and the operator
before driving the machinery. If the travel motor is located in the front of the
cab, the machinery will move backwards when push the pedal/lever forward.
4) Send the signal for multimachine operation
Use the signal known to all operating persons under multimachine operation.
Specify one signaler to organize the operation to make sure that all operating
persons submit the command of the signaler.

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5) Inspection of oil level
l Inspect fuel level and lubricating oil level as well as the cooling water level. It is strictly forbidden to smoke when
inspecting or filling the oil. Inspect the radiator cap and each oil filler cap or oil filler hole plug to sure whether they are
tightened or not.
l Inspect the fuel system, the lubricating oil system and the hydraulic system for leakage and repair any leakage, remove all
superfluous oil or other inflammable liquid.
6) Adjust seat
The seat unfit for the operator will lead to the fatigue of the operator soon and lead to
the operating failure.
l The seat shall be adjusted every time of changing the machine operator.
l The pedal can be pedaled down to the end when the operator rest his back on
the seat back and the operating lever can be operated correctly.
l The seat shall be moved fore and after until the operation mentioned above can
be down well.
7) Buckle up safety belt
In the event of roll-over accident, the operator may be injured or throw-out of the cab,
or squeezed by the tipping machine, which leads to severe casualty accident.
l Inspect the belt, the buckle and the fastener of the safety belt carefully before
operating the machine. The damaged or worn safety belt or its parts shall be
replaced before the operation.
l The operator shall sit on the seat and buckle up safety belt well all the time
during the operation when the machine is running to decrease the possibility of
the injury caused by the accident to the minimum.
l The safety belt shall be replaced every three years regardless of its conditions.
8) Only start the machine when sitting on the operating seat
Incorrect engine start procedures may bring about the machine is out of control and
lead to the severe casualty accident.
l Only start the engine when sitting on the seat in the cab.
l Never start the engine when standing on the caterpillar or the ground.
l Do not start the engine by short-circuiting the terminal of the starter.
l Make sure that all operating levers are on the mid positions before starting the engine.
2. After starting engine
l Make sure that functions of all instrument and warning device are normal and the meter readings are within the specified
range.
l Operate the working equipment and make sure that the function of it is normal.
l Drive the excavator slowly and listen to the engine and traveling mechanism carefully for abnormal noise.
l Operate the travel pedal/lever and make sure that the function of the move forward and move backward as well as the
running speed are normal.
l Select secure place. Turn the excavator to the left and right to make sure whether the function of the steering gear is
normal or not.
l Please contact the person who is responsible for the excavator and the excavator can only be operated with the
permission of the person if there are any troubles even if it is very trivial.

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3. In operation
1) Move and operate machine safely
Person around the machine may be run down
l Be careful not to run down the surrounding person. Confirm the position of
the surrounding person before moving, rotating or operating the machine.
l Always keep travel alarm device and horn under operating mode. Those
devices can warn the person around when the machine begin to move.
l Please get the help of the signaler and the hand signal shall be coordinated
when travelling on the narrow area and rotating or operating the machine.
2) Jump start
The gas from the accumulator may explode and lead to the severe casualty
accident.
l Take care to do follow the procedures described in section "operating engine"
if the engine must be started by using the jump start method.
l The operator must sit on the operating seat to control the machine when
starting the engine. Accordingly, the jump start must be done by two persons.
l Never use frozen accumulator.
l The accumulator may explode or the machine may be out of control if the correct jump start procedures are not followed.
3) Do not let the machine carry the passenger
The passenger on the machine may be hurt easily, for example, being hit by the
foreign matter or dropped from the machine.
l Only the operator is permitted on the machine.
l The passenger can also block the sight line of the operator and the operation
may be not safe.
4) Drive the machine safely
Make sure of the traveling direction of the machine when you operate the travel controlling lever before operating the machine.
l Never fail to detour any obstructions.
l Do not drive the machine over the obstruction. There may be the clod, the stone
block and metal article around the machine. Do not let the person stay near the
machine when the machine is running.
The machine may slip or overturn and lead to the serious injury or death when the
machine is running on the sloping field.
l The bucket shall be placed to the traveling direction and the distance from the
bucket to the ground is of about 0.5 to 1.0m (A) when climbing up or down the slope.
l The bucket must be lowered immediately if the machine begins to slip or becomes
instable.
l There is the danger of side slipping or the overturn when traversing or changing the
direction on the slope. The machine shall be driven to the level ground and then
change the direction.