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SAFETY
PRECAUTIONS DURING OPERATION
PRECAUTIONS DURING OPERATION
Never turn the key in the starting switch to the OFF position. It is dangerous if the engine stops when the machine
is traveling, because the steering becomes heavy. If the engine stops, depress the brake pedal immediately to
stop the machine.
Lower the dump body, setting the dump lever at FLOAT position, then travel.
To prevent the machine from rolling over when traveling on rough ground, travel at low speed and avoid sudden
changes in direction.
When traveling or carrying out operations, always keep a safe distance from people, structures, or other
machines to avoid coming into contact with them.
When passing over bridges or structures, check first that the structure is strong enough to support the weight of
the machine.
When operating in tunnels, inside buildings, or under bridges or electric wires, or other places where the height
is limited, operate slowly and be extremely careful not to let the machine or dump body contact anything.
Continuous long time traveling at high speed may cause tires to heat up, abnormally increasing the inflation
pressure inside the tires, and to blow up. The explosion of the tire is very destructive, and it can lead to serious
injury or death.
Contact with your Komatsu distributor before doing long continuous traveling.
PRECAUTIONS WHEN TRAVELING ON THE SLOPES
To prevent the machine from tipping over or slipping to the side, always do as follows.
When traveling downhill, use the retarder brake to reduce speed. Do not turn the steering wheel suddenly.
Travel on grass, fallen leaves, or wet steel plates with low speed. Even with slight slopes there is a hazard that
the machine may slip.
If the engine should stop on a slope, apply the brakes fully and apply the parking brake also to stop the machine.
Do not shift the gear while traveling downhill or travel downhill with the transmission in neutral. If this is neglected,
the engine does not work as a brake, and that is dangerous. Be sure to set the transmission in one of the lower
gear speeds. In addition, apply the brake and use the engine as a brake, if necessary.
PRECAUTIONS WHEN OPERATING DUMP BODY
Before starting the dumping operation, check to be sure there is no person or object behind the machine.
Stop the machine in the correct position, and check again that there is no person or object behind the machine.
Give the determined signal, then slowly operate the dump body.
If necessary, use blocks for the wheels or position a flagman.
Do not carry out dumping operations on slopes. The machine stability will become poor and there is the danger
that it could tip over.
Do not travel with the body raised.
Do not leave or return to the operator's seat during loading work.
PRECAUTIONS FOR OPERATION
Do not load the dump body above the maximum payload. The brakes will lose their effect.
When operating in tunnels, or under bridges or electric wires, or in other places where the height is limited,
operate slowly and be extremely careful not to let the dump body contact anything.
To prevent accidents caused by hitting other objects, always operate the machine at a speed which is safe for
operation, particular in confined spaces, indoors, and in places where there are other machines.
METHOD OF USING BRAKES
Do not rest your foot on the brake pedal unless it is necessary.
Do not depress the brake pedal repeatedly if not necessary.
When traveling downhill, use the braking force of the engine, and always use the retardar at the same time.
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