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.

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5) Avoid injury accident in reverse and rotation.
The person near the machine may be hit or overtaken and it may lead to the severe fatalities if there is anybody near the
machine when the machine is running in reverse direction, or the upper structure is rotated.
In order to avoid injury accident in reverse and rotation:
l Always look round before reversal and rotation to sure whether there is person around the machine or not.
l Keep the alarm device on active state. Watch out constantly for anyone coming into the work area. Use the horn or other
signal to warn other people before moving the machine.
l Use the signaler if your sight line is blocked in reversal. Always keep the signaler in your vision field.
l Use the hand signal which complies with local rules when the working condition requires the signaler.
l The machine can only be moved when the signaler and the operator understand the signal distinctly.
l Understand the meaning of all flags, signals and marks which are used for operation and confirm who is responsible for
the signal.
l Keep the cleanness and good conditions of the window, the reflector, and the lights.
l The dust, heavy rain and the mist, etc. will decrease the visual visibility range. Slow down the speed and use adequate
illumination when the visual visibility range is lowered.
6) Avoid the damage caused by the machine which is out of control.
The severe casualty accident may happen if someone try to climb up or shield off the moving machine.
In order to avoid losing control of the machine:
l Select level ground as far as possible when parking the machine.
l Do not park the machine on the slope.
l Lower the bucket and/or other tools on the ground.
l Tune out the automatic low speed switch.
l Run the engine with no-load at idling speed for 5 minutes to cool the engine.
l Stop the engine and take the key out of the key switch.
l Pull the pilot cut-off valve controlling lever to the LOCK position.
l The caterpillar on both sides shall be blocked by the blocks and the bucket shall
be lowered and cut into the ground if the machine must be parked on the slope.
l Fix the machine to prevent the rolling.
l Park the machine at a place which is away from other machine for an appropriate distance.
7) Refuse the person to enter the work area.
The person may be bumped by the rotating front end device or squeezed by other body and it may lead to the severe casualty
accident.
l Keep all personnel away from the operating and running area of the machine.
l Set up the enclosure at lateral and rearward of the swinging radius of the
bucket to prevent the person from entering the work area before operating the
machine.
8) Never put the bucket on the upper site of anybody.
Never lift, move or rotate the bucket across the upper site of anybody or truck cab.
The falling material from the bucket or the bucket may lead to the severe casualties
or the machine breakdown.
9) Avoid undercut
In order to pull out from the limes margins in case of the collapse of the foundation,
the travel motor shall be always set on the rear and the machine shall be parked
while the lower body is perpendicular to the limes margins.
Do not lose your head when the foundation begins to collapse but the machine
cannot be pulled out. Generally, the machine can be fixed if the front end device is
lowered at the time.

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10) Avoid overturn
Warning: Do not try to jump out of the machine which is off-balance, otherwise the serious or fatal bruise.
The overturn speed of the machine is quicker than your speed.
Buckle up safety belt.
There is the overturn danger of the machine when operating the machine on the
slope and it may lead to the severe casualty accident.
In order to avoid overturn:
It shall be especially careful when operating the machine on the slope.
l Planish the operational zone of the machine.
l Lower the bucket to the ground and keep this state and approach the
machine.
l Decrease the operating speed to prevent the overturn or slide.
l Avoid direction change when driving the machine on the slope.
l Never try to traverse the slope of which the gradient exceeds 15 degrees if
the slope traverse is inevitable.
l Decrease the rotational speed according to the situation when rotating the
load.
It shall be careful when operating the machine on the frozen ground.
l The temperature increment will make the ground soft and the travel of the
machine on the ground is unsteady.
11) Never undercut the high bank
The high bank undercut may lead to the collapse of the edge or the landslide and
it may lead to the severe casualty accident.
12) Keep clear of powerline
The casualty accident may happen if the safe distance from the machine or the
front end device to the electric wire is not kept.
l When operating the machine near the electric wire, never move any part or
load of the machine into the range of which the radius is 3m to the electric
wire plus 2 times of the insulation block length. The operating safety zone is
listed in the following table:
Voltage value of high
voltage cable
Minimum safe distance from
high voltage cable
6.6kv
3m
33.0kv
4m
66.0kv
5m
154.0kv
8m
275.0kv
10m
l Verify and comply with all applicative local regulations.
l Once the machine touch the electric wire, sit on the seat and do not move
and do not touch the machine and guarantee the safety of other person on
the ground until the power supply is switched off. The operator can jump out of the machine under emergency situation
but do not touch the machine.
l The wet land may enlarge the range which may electric shock the person, keep the surrounding person away from the
operational zone.
13) Be careful in excavation
The explosion, the fire or the serious casualty accident may happen if the underground cable or gas pipe is cut off by accident.
l Inspect the positions of the cable, the gas pipe and the water pipe before excavation.
l Keep at least legal minimum range from the cable, the gas pipe and the water pipe.

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l Do not see the end of the fiber optic cable or the eye may be seriously bruised if the
fiber optic cable is cut off by accident.
l If there are the "Excavation hot lines" on the district where you carry out the operation,
please contact them, or contact the local utility company directly to get the positions
of all underground cables and pipelines.
14) Pay attention to operation
If the front end device or other parts of the machine bump against the overbridged and
other overhead creel objects, all of them may be damaged, which may lead to the person
injury.
It shall be careful to prevent the boom or the arm knocking the overhead creel objects.
15) Lift and move body
If the suspensory body fall, the surrounding person may be hit and pressed, which leads to
the severe casualty accident.
l Be sure to comply with all local regulations before using the machine for
hoisting operation.
l Do not use the chain, the wire rope, the hoisting ring or the steel rope with
defect.
l Locate the upper rotating body and set the travel motor on the rear before
lifting.
l Move the body slowly and carefully, never move it abruptly.
l Keep all personnel away from the body lifted.
l Never move the body across the head of the person.
l Keep anybody away from the body lifted until the body is put on the supporting shoe or the
ground safely and firmly.
l Never hang the hoisting ring or chain on the bucket teeth. Otherwise the bucket teeth may slough
and the body lifted will fall.
16) Protection against fly fragment
The fly fragment come into the eye or any other part of the human body may lead to the
severe injury.
l Use the goggles or safe glassed to protect against the injury caused by the flappy
sheet-metal or other fragment.
l Prevent other people from entering the working space when knocking the body.
4. Parking
1) Park machine safely
In order to prevent an accident:
l Park the machine on the level ground.
l Lower the bucket on the ground.
l Turn off the automatic low speed switch.
l Run the engine with no-load at idling speed for 5 minutes to cool the engine.
l Stop the engine and take the key out of the key switch.
l Pull the pilot cut-off valve controlling lever to the LOCK position.
l Turn off the front window, the side window and the cab door.
l Lock all access door and box room.
2) Disposal liquid safely .Prevent fire
Disposal the fuel carefully for it is very inflammable. The explosion and fire will occur and it may lead to the personal injury if
the fuel is ignited.

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l Do not fill the fuel into the machine when smoking or near the naked flame or spark.
l Never fail to stop the engine when filling the fuel.
l Fill the fuel tank outdoors.
All fuel, most of lubricant and some coolant are inflammable.
l Store the inflammable liquid in a place which has no fire danger.
l Do not fire or puncture the pressure vessel.
l Do not store the oil-bearing rag for it can be ignited or self-ignited.
l Tighten the fuel filler cap and oil filler cap.
During repair and maintenance
1. Carry out safety maintenance
In order to prevent an accident:
l Understand maintenance instructions before operation.
l Keep cleanness and dryness of operational zone.
l Do not spray water or steam in cab.
l Do not add oil or carry out the maintenance when moving the machine.
l Prevent the hands, the feet and the clothes from contacting the driving part.
Before maintaining machine:
1) Park the machine on the level ground.
2) Lower the bucket on the ground.
3) Turn off the automatic low speed switch.
4) Run the engine with no-load at idling speed for 5 minutes.
5) Rotate the key switch to OFF and stop the engine.
6) Release the pressure of the hydraulic system by moving the controlling lever for
several times.
7) Take off the key from the key switch.
8) Hang a nameplate of "please don't operate" on the controlling lever.
9) Pull the pilot cut-off valve controlling lever to the LOCK position.
10) Cool engine.
l There must be an operator on the machine if the maintenance operation must be done while the engine is running.
l The angle between the boom and the arm shall be kept 90 to 110 degrees to support any parts of the machine lifted if the
machine must be lifted during the maintenance.
l Never carry out operation under the machine with uplifted boom.
l Periodically inspect some parts and carry out repairing or replacing operation as required. Refer to related content in
section "maintenance" of this manual.
l Keep all parts under favorable working condition and make sure that all parts
are installed correctly.
l Handle damaged parts in time and replace worn or cracked parts. Clear away
any accumulated grease, oil or crumb.
l Always use washing oil with uninflammability and never use the fuel, the
gasoline and other oil with high flammability to wash the parts or surfaces.
l The minus earth cable of the accumulator must be disconnected before carrying out the adjustment of the electrical
system or the weld operation on the machine.

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l Provide sufficient illumination on the operational field and use the maintenance working lamp when working under or in
the machine.
l Always use the working lamp with shield. Otherwise the broken bulb may ignite the fuel, oil, the anti-freeze liquid and the
window washing liquid spilled.
2. Warn other people that the machine is under maintenance.
The movement of machine beyond contemplation may lead to severe injury.
Hang a nameplate of "please don't operate" on the controlling lever before carrying
out any operation on machine.
3. Support machine correctly.
Never carry out the repair and maintenance operation before supporting the machine
well.
l Always lower the front end device on the ground before carrying out the
repair and maintenance operation on the machine.
l The machine or the front end device must be supported firmly if the machine
or the front end device must be uplifted to carry out the repair and
maintenance operation. Do not use the slag brick, the air core tire or the rack
stand to support the machine for they may collapse under continuous load,
do not work under the machine supported by single jack.
4. Keep away from rotating member
Involved by the rotating member may lead to severe injury.
It shall be careful to prevent the hands, the feet, the clothes, the ornaments and the
hairs from being caught by the rotating member when working near the rotating
member.
5. Prevent the part from fling off
The grease in the adjuster of caterpillar is under high pressure, the severe injury,
the sightlessness or casualty accident may happen if following matters need attention are not complied with.
l Do not remove the grease nipple or valve part.
l The body and face must be away from the valve body for the part may fly
off.
There is the pressure in the travel retarder.
l The body and face must be away from the air release cock to prevent the
injury for the part may fly off. The gear oil is hot.
l Loosen the air release cock gradually to release pressure after the gear oil
was cooled.
6. Store spare parts safely.
Spare parts stored, such as the bucket, hydraulic hammer and the plain shovel, may
fall and lead to the severe casualty accident.
Store spare parts and instrument safely to prevent falling. Keep children and other
persons away from the storage area.

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7. Prevent heat injury
Liquid ejected with high temperature:
l The engine cooling water is hot and with pressure after operation. There are
the hot water and steam in the engine, the radiator and the heater tube, and
the severe heat injury may be caused if the skin contacts the hot water or
steam spilled.
l Prevent the scald caused by hot water ejected. Do not open the cap of the
radiator before the engine is cooled. Rotate the cap to the end slowly at first
and take off the cap after the pressure was released completely when
opening the cap.
l There is the internal pressure in the hydraulic oil tank and the internal
pressure shall be released before removing the cap.
Liquid and surfaces with high temperature:
l The engine oil, the gear oil and the hydraulic oil will be heated during the
operation and the engine, the hose, the pipeline and other parts are heated
too.
l The inspection or maintenance work can only be done after the oil and components were cooled.
8. Periodically replace the rubber hose
The rubber hose containing the flammable liquid may crack under pressure for the weathering, the fatigue and worn. The
weathering and worn extent of the rubber hose cannot be judged by the inspection only.
l The rubber hose shall be replace periodically.（Refer to "Periodically replace parts" in operation crews manual)
l The Rubber hose replaced irregularly may lead to the accident of fire, the liquid injecting into the skin or the front end
device hitting the surrounding person, and the serious scald, mortification or other injuries and deaths.
9. Take care of the liquid with high pressure
The diesel fuel, the hydraulic oil and other liquid ejected under pressure may penetrate the skin or inject into the eye and lead to
the severe injury, sightlessness, or death.
l Release pressure before disconnecting the hydraulic pressure pipeline or other pipeline to avoid this danger.
l Tighten all connections before pressurization.
l Use the cardboard to find out the leakage, pay attention to protect your hand and body from contacting the liquid with
high pressure. Pull on the face shield or goggles to protect eyes.
l In the event of accident, please see the traumatic doctor who is familiar with this type traumatic for treatment. The liquid
come into the skin must be eliminated in few hours; otherwise it may lead to the mortification.
10. Prevent fire
Inspect oil leakage:
The leakage of the fuel, the hydraulic oil and the grease may lead to the fire.
l Inspect the loss of the holder, the twist of the hose, the mutual friction of the pipeline and the damage to the oil cooler as
well as the relaxation of the flange bolts on the oil cooler to prevent the oil leakage.
l Tighten, repair or replace any loss, loose or damaged holders, pipeline, hose, oil coolers and flange bolts on the oil
coolers.
l Do not bend or knock high pressure line.
l Do not install the bending or damaged pipeline, pipe or hose.
Inspect short circuit:
Short circuit may lead to the fire:
l Clean up and tighten all electrical connections.

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l Inspect the looseness, twist, hardening or burst of the cable and the electric wire before each shift or after an operation of
8 to 10 hours.
l Inspect loss or damage to the terminal covers before each shift or after an operation of 8 to 10 hours.
l Do not operate the machine if the cable or electric wire is loose or twisted.
Clear away the inflammable material:
l The fuel, the hydraulic oil, the ant freezing agent, the window washing liquid, the garbage, the grease, the crumb, the
accumulated breeze and other inflammable material may lead to the fire.
l Daily inspect and clean up the machine and eliminate the inflammable article sprinkled and accumulated to prevent fire.
Inspect key switch:
The fire behavior will be aggravated and it is not good for fire fighting if the engine cannot be stopped when fire occurs.
Daily inspect the function of the key switch before operating the machine:
l Start the engine and run the engine at low speed with no-load.
l Switch the key switch to OFF position to see whether the engine can be stopped or not.
l Any abnormality found must be eliminated before operating the machine.
Inspect thermal shroud:
l The damaged or lost thermal shroud may lead to the fire.
l If the damaged or lost thermal shroud is found, the new one shall be installed before operating the machine.
11. Pull out when fire
Pull out from the machine according to method below if fire occurs：
l Switch the key switch to OFF position to see whether the engine can be
stopped or not if possible.
l Use the fire extinguisher to fight fire if possible.
l Pull out from the machine.
12. Be cautious to exhaust smoke
l The exhaust gas of the engine may lead to the disease or death, take care to prevent the asphyxia.
l The sufficient ventilation must be guaranteed if the machine must be operated in
the building. Use the lengthened exhaust pipe to discharge the smoke or open the
door window to lead sufficient surrounding air into the work area.
13. Matters need attention in weld and grind
l The welding operation will generate gas and flame.
l The welding operation must be done in a place with well ventilation and sufficient
preparation. The combustible material must be placed at safety location before welding.
l The welding work can only be done by qualified and trained person.
l The grinding machine will generate the spark. The combustible material must be placed at a safety location before
grinding.
l Inspect welded peripheral zone again for abnormal phenomena such as smoke after welding and grinding.
14. Do not heat the vicinity of the pressure fluid pipe.
l The inflammable mist spray will be generated by the heat near the pressure pipe and it may lead to the serious burn to the
person nearby.
l Do not carry out the welding or autogenous cutting operation near the pressure fluid pipe or other flammable materials.
l The pressure fluid pipe may be cut at any time when the heat exceeds the direct firing area. The temporary fire prevention
sleeve shall be set up to protect hose or other material when carrying out the welding operation.

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15. Do not heat the pipe with inflammable liquid
l Do not weld or autogenous cut the pipe or hose with inflammable liquid.
l Use the non inflammable solvent to clear away the inflammable liquid in the pipe thoroughly before welding or
autogenous cutting the pipe.
16. Eliminate paint before welding or heating
The paint will let out noxious gas when it is heated during the welding or autogenous cutting.
l The gas inhaled may lead to the nausea.
l Eliminate the toxic gas and mill dust.
l Carry out the paint eliminating operation in outdoors or a place with well ventilation; handle the paint and the solvent
correctly.
Eliminate paint before welding or heating:
l Take measures to prevent the mill dust from inhaling when using the abrasive paper and abrasive wheel to eliminate the
paint. Put on the qualified respirator.
l If the solvent or varnish remover is used: The varnish remover shall be washed away by the water and the soap and the
solvent or varnish remover container and other combustible material in the working space must be eliminated. The
evaporable gas must be dropped away at least for 15 minutes before welding or heating.
17. Prevent explosion of accumulator
The gas from the accumulator may explode.
l Do not let the spark, the live match as well as flame approach the top of the accumulator.
l Do not inspect the electrical quantity of the accumulator by short-circuiting the terminals of the accumulator, the
voltmeter or the gravimeter shall be used.
l Do not charge the frozen accumulator, or the accumulator will explode. Heat the accumulator to 16℃.
l Do not use the accumulator or charge the accumulator when the electrolyte level is lower than the specified level,
otherwise the accumulator may explode.
l The looseness of the terminal may generate the spark, please tighten all terminals.
The electrolyte of the accumulator is harmful. The electrolyte of the accumulator may splash into the eyes when the
accumulator explodes and it may lead to the sightlessness.
l Take care to put on the goggles when inspecting the specific gravity of the electrolyte.
18. Handle chemicals safely
The direct contact with the noxious chemicals may lead to the serious injury to the human
body.
The chemicals, such as the lubricant, the coolant, the paint and the bonding agent used in
this machine may be harmful.
19. Handle waste correctly
The garbage handled inappropriately will lead to the hazard to the ecology. The potential hazardous waste in TMG equipment is
oil, coolant, brake fluid, filter and accumulator, etc.
l Use leak proof container when draining the liquid. Do not use the food product or beverage container, for it may lead to
the people to drink that material by mistake.
l Do not dump the waste liquid on the ground, into the sewerage or any water source.
l The refrigerant agent of the air conditioner leaked into the atmosphere may damage the aerosphere of the earth.
l Inquire the local environmental protection center or recovery center or your specified dealer for correct recovery or waste
handling method.

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Safety Signs
1.Always keep safety signs clean and legible.
2.Replace safety signs that are missing or have become illegible.
3.Replaced parts that displayed a safety sign should also display the current sign.
4.Safety signs have a part number in the lower righthand corner. Use this part number when ordering replacement parts.
5.Safety signs are available from your authorized Distributor or Dealer Parts Department or the factory.
Safety Decals

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