PRECAUTIONS FOR MAINTENANCE
BEFORE CARRYING OUT MAINTENANCE
WARNING TAG
• If others start the engine or operate the controls while you are performing service or lubrication, you could suffer
serious injury or death.
• ALWAYS attach the WARNING TAG to the control lever in the operator’s cab to alert others that you are working
on the machine. Attach additional warning tags around the machine, if necessary.
• These tags are available from your Komatsu distributor. (Part No. 09963-03000)
PROPER TOOLS
• Use only tools suited to the task.
Using damaged, low quality, faulty, or makeshift tools could cause personal injury.
STOPPING THE ENGINE BEFORE SERVICE
• When carrying out inspection or maintenance, always stop the machine on firm flat ground, lower the dump body,
then stop the engine.
• If the engine must be run during service, such as when cleaning the radiator, always move the shift control lever
to the Neutral (N) position and set the parking brake lever to the PARKING position. Always carry out the work
with two people. One person should sit on the operator’s seat to stop the engine if necessary.
NEVER move any controls not needed to operate.
• When servicing the machine, be careful not to touch any moving part or get clothing caught.
• Put blocks under the wheels.
• When carrying out service with the dump body raised, always place the dump lever at the HOLD position, and
apply the lock (if equipped). Install the body-up safety pins (or cable) securely.
A03017 General Safety and Operating Instructions A3-11
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