Komatsu PC45MR-30403, Operation And Maintenance Manual

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PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING
The engine exhaust gas contains substances that may damage
your health or even cause death. Start or operate the engine in
a place where there is good ventilation. If the engine or ma-
chine must be operated inside a building or underground,
where the ventilation is poor, take steps to ensure that the en-
gine exhaust gas is removed and that ample fresh air is
brought in. When handling the fuel, cleaning oil, and paint,
work in a well-ventilated area with windows and doors open.
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GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE-
NANCE
SAFETY
2-22