Komatsu D31EX-21, Operation & Maintenance Manual, Page: 37 / 256

SAFETY
PRECAUTIONS FOR OPERATION
2-19
PRECAUTIONS FOR OPERATION 2
STARTING ENGINE 2
If there is a warning tag hanging from the work equipment con-
trol lever, do not start the engine or touch the levers .
CHECKS BEFORE STARTING ENGINE
Carry out the following checks before starting the engine at the beginning of the day's work.
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Remove all dirt from the surface of the window glass to ensure a good view.
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Remove all dirt from the surface of the lens of the front lamps and working lamps, and check that they light up
correctly.
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Check the coolant level, fuel level, and oil level in engine oil pan, check for clogging of the air cleaner, and
check for damage to the electric wiring.
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Adjust the operator's seat to a position where it is easy to carry out operations, and check that there is no dam-
age or wear to the seat belt or mounting clamps.
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Check that the gauges work properly, check the angle of the lights and working lamps, and check that the con-
trol levers are all at the neutral position.
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Adjust the mirror to a position which gives a good view to the rear from the operator's seat.
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Check that there are no persons or obstacles above, below, or in the area around the machine.
PRECAUTIONS WHEN STARTING
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Start and operate the machine only while seated.
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Do not attempt to start the engine by short-circuiting the engine starting circuit. Such an act may cause a seri-
ous bodily injury or fire.
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When starting the engine, sound the horn as a warning.
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Do not allow anyone apart from the operator to ride on the machine.