Komatsu PC290LC-6K Operation & Maintenance Manual page 91

12.1.4 OPERATIONS AND CHECKS BEFORE STARTING
ENGINE
If the control lever is touched by accident, the work equipment or
the machine may move suddenly. When leaving the operator's
compartment, always set the safety lock lever securely to the
LOCK position.
1. Check that safety lock lever
2. Check the position of each lever.
Set the control lever to the neutral position.
When starting the engine, never touch the knob button.
3. Insert the key in starting switch
then carry out the following checks.
The buzzer will sound for approx. 1 sec, and the following monitors
and gauges will light up for approx. 3 sec.
• Radiator water level monitor
• Engine oil level monitor
• Hydraulic oil level monitor
• Charge level monitor
• Fuel level monitor
• Engine water temperature monitor
• Engine oil pressure monitor
• Engine water temperature gauge
• Fuel gauge
• Engine pre-heating monitor
• Air cleaner clogging monitor
• Swing lock monitor
• Overload caution monitor
If the monitors or gauges do not light up or the buzzer does not
sound, there is probably a broken bulb or disconnection in the monitor
wiring, so contact your Komatsu distributor for repairs.
WARNING
is at the LOCK position.
, turn the key to the ON position,
12. OPERATION
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