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SAFETY
GENERAL PRECAUTIONS
SAFETY
GENERAL PRECAUTIONS
SAFETY
GENERAL PRECAUTIONS
Voltage of Cables Safety Distance
100 V - 200 V Over 2 m (7 ft)
6,600 V Over 2 m (7 ft)
22,000 V Over 3 m (10 ft)
66,000 V Over 4 m (14 ft)
154,000 V Over 5 m (17 ft)
187,000 V Over 6 m (20 ft)
275,000 V Over 7 m (23 ft)
500,000 V Over 11 m (36 ft)
Even going close to high-voltage cables can cause electric
shock, which may cause serious burns or even death. Always
maintain a safe distance (see the table on the right) between the
machine and the electric cable. Check with the local power
company about safe operating procedure before starting
operations.
To prepare for any possible emergencies, wear rubber shoes
and gloves. Lay a rubber sheet on top of the seat, and be careful
not to touch the chassis with any exposed part of your body.
Use a signalman to give warning if the machine approaches too
close to the electric cables.
When carrying out operations near high voltage cables, do not
let anyone near the machine.
If the machine should come too close or touch the electric cable, to prevent electric shock, the operator should
not leave the operator's compartment until it has been confirmed that the electricity has been shut off.
Also, do not let anyone near the machine.
ENSURE GOOD VISIBILITY
This machine is equipped with mirrors to improve the visibility, but even with mirrors, there are places, which cannot
be seen from the operator's seat, so always be careful when operating.
When operating or traveling in places with poor visibility, if it is impossible to confirm the condition of the job side or
obstacle is in the area around the machine, there is danger that the machine may suffer damage or the operator may
suffer serious personal injury. When operating or traveling in places with poor visibility, always observe the following
items strictly.
If the visibility cannot be sufficiently assured, position a flagman if necessary. The operator should pay careful
attention to the signs and follow the instructions of the flagman.
The signals should be given only by one flagman.
When working in dark places, turn on the working lamps and front lamps of the machine, and if necessary, set
up additional lighting in the area.
Stop operations if there is poor visibility, such as in fog, snow, rain, or sand storms.
Check the mirrors on the machine before starting operations every day. Clean off any dirt and adjust the view
to ensure good visibility.
In areas where it is impossible to confirm the area behind the machine and observation cameras have been set
up, clean off any dirt from the lens and make sure that the camera gives a clear view of the rear. If a rear-view
camera has been installed to show the area to the rear of the machine, clean off any dirt from the lens and make
sure that the camera gives a clear view of the rear. If there is any problem with the camera and the rear view
cannot be displayed, contact your Komatsu distributor as soon as possible and ask for repairs to be carried out.
VENTILATION FOR ENCLOSED AREA
Exhaust fumes from the engine can kill.
If it is necessary to start the engine within an enclosed area, or
when handling fuel, flushing oil, or paint, open the doors and
windows to ensure that adequate ventilation is provided to
prevent gas poisoning.
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