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SAFETY
PRECAUTIONS FOR OPERATION
PRECAUTIONS WHEN TRAVELING
Never turn the key in the starting switch to OFF position. It is dangerous if the engine stops when the machine
is traveling, because the steering becomes heavy. There is danger that this will cause misoperation of the
steering wheel and may lead to serious personal injury or death. If the engine stops, depress the brake pedal
immediately to stop the machine.
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 traveling on flat ground, keep the work equipment 30 to 50 cm (12 to 20 in) above the ground. If the work
equipment is to close to the ground surface, the work equipment may contact the ground and cause the machine
to tip over.
It is necessary to operate the work equipment control lever, stop the machine first, then operate the control lever.
When traveling on rough ground, travel at low speed and do not operate the steering suddenly. There is danger
that the machine may turn over. The work equipment may hit the ground surface and cause the machine to lose
its balance, or may damage the machine or structures in the area.
Operate carefully when the wheels are leaning. It is prohibited to
travel on roads with the wheels leaning.
Travel at a maximum speed of 10 km/h (6.2 MPH) when using
the articulation. If the articulation is used when traveling at a
speed of over 10 km/h (6.2 MPH), there is danger that the
machine may overturn. Never use the articulation at speeds of
over 10 km/h (6.2 MPH).
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 mass of
the machine.
When operating in tunnels, under bridges, under electric wires, or other places where the height is limited, operate
slowly and be extremely careful not to let the machine body or work equipment hit anything.
If you drive the machine at high speed continuously for a long time, the tires will overheat and the internal pressure
will become abnormally high. This may cause the tires to burst. If a tire bursts, it produces an extremely large
destructive force, and this may cause serious injury. When traveling continuously, travel for 2 hours or 80 km,
then rest for 30 minutes. Next, travel for 2 hours, then rest for 1 hour, or contact your Komatsu distributor. If you
are going to travel continuously, please consult your Komatsu distributor.
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