Komatsu PC490-11, Installation And Instruction Manual

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• Set up labels to inform of road edges and soft ground. If the visibility is not good, position a conductor if
necessary. Operator should pay careful attention to the labels and follow the instructions from the conduc-
tor.
• Only one signalman should give signals.
• Make sure that all workers understand the meaning of all signals, signs, and labels before starting work.
BEWARE OF ASBESTOS DUST
Asbestos dust in the air can cause lung cancer if it is inhaled.
There is danger of inhaling asbestos when working on jobsite
where industrial waste is handled. Always observe the follow-
ing.
• Spray water to keep down the dust.
• Do not use compressed air.
• If there is danger that there may be asbestos dust in the
air, always operate the machine from an upwind position,
and make sure that all workers operate on the upwind
side.
• All workers should use an approved respirator.
• Prohibit anyone other than the operator from coming close to the machine during operation.
• Always observe the regulations for jobsite and environmental standards.
This machine does not contain asbestos, but any part which is not the genuine part, it has risk of containing
asbestos. Always use Komatsu genuine parts.
START ENGINE
USE WARNING TAGS
If there is a "DANGER! Do NOT operate!" warning tag dis-
played, it means that someone is performing inspection and
maintenance of the machine. If the warning tag is ignored and
the machine is operated, the person performing inspection or
maintenance may be caught in the rotating parts or moving
parts. It is dangerous and may cause serious personal injury or
death. Do not start the engine or touch the levers.
CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE
Perform the following checks before starting the engine at the beginning of the day's work to ensure that there is
no problem with the operation of the machine. If these checks are not performed properly, problems may occur
with the operation of the machine, and there is a danger which may lead to serious personal injury or death.
• Remove all dirt from the surface of the window glass to ensure a good view.
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PRECAUTIONS FOR OPERATION SAFETY
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