Komatsu PC30MR-5 Operation & Maintenance Manual page 59

SAFETY
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING
To prevent accident, do not perform maintenance with the engine running. When it is necessary to perform the
maintenance with the engine running, always observe the following.
• One worker must always sit on the operator's seat and be ready to stop the engine at any time. All workers
must maintain contact with the other workers.
• Rotating parts such as the fan, fan belt are dangerous that
they may easily catch a body part or an object someone
wears. Be careful not to come close to the rotating part.
• Never drop or insert tools or other objects into the fan, fan
belt, or other rotating parts. They may contact the rotating
parts and break, and be scattered. It is dangerous.
• Release the remaining pressure in the hydraulic system,
and place lock lever (1) to LOCK position (L).
• Do not touch the control levers or pedals. When it is nec-
essary to operate the control levers or pedals, always give
a signal to your fellow workers to evacuate them to a safe
place.
PRECAUTIONS WHEN INSTALLING, REMOVING, OR STORING ATTACHMENTS
• Appoint a leader before starting removal or installation operations for attachments.
• Place attachments that have been removed from the ma-
chine in a stable condition so that they do not fall. And take
steps to prevent unauthorized persons from entering the
storage area.
PRECAUTIONS FOR WORKING AT HIGH PLACES
When working at high places, use a step ladder or other stand to ensure that the work can be performed safely.
There is a danger falling from high place that can lead to serious personal injury or death.
PRECAUTIONS WHEN WORKING ON MACHINE
• When performing maintenance work on the machine,
maintain the foothold clean and orderly to prevent falling.
Always observe the followings.
• Avoid spilling of oil and grease.
• Do not litter the tools.
• Watch your step when walking around on the ma-
chine.
• Remove mud and greases stuck to the shoe sole.
WENAM00150
PRECAUTIONS FOR MAINTENANCE
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