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12. OPERATION
12.1.4 OPERATIONS AND CHECKS BEFORE STARTING
ENGINE
WARNING
‡ If the control levers are touched by accident, the work equip-
ment may move suddenly. When leaving the operator's com-
partment, always set the safety lever securely to the LOCK
position.
‡ Before starting the engine, use a damp cloth to wipe off the
dust accumulated on the top surface of the battery or on the
starting motor and the alternator.
1. Check that parking brake switch 1 is at the ON position.
4. Insert the key in starting switch 5, turn the key to the ON
position, and check that the pilot lamp lights up.
When the starting switch is turned to the ON position before
starting the engine, all monitor lamps, gauges, and centralized
warning lamps will light up for approx. 3 seconds, and the alarm
buzzer will sound for approx. 1 second.
When this happens, 88 is displayed on the speedometer, and 8
is displayed on the transmission shift indicator.
If the monitor lamps do not light up, there is probably a failure
or disconnection, so please contact your Komatsu distributor for
inspection.
3. Lower the bucket to the ground, then check that work equipment
control lever 3 is locked by safety lock 4.
2. Check that directional lever 2 is at the N position.
When starting the engine, if directional lever 2 is not at the N
position, the engine will not start.
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