Komatsu WA70-7, Operation And Maintenance Manual

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Operation 3.3 Operation
WA70-7 – VENAM02003
3-57
Check gauges and indicators
Turn the starting switch to the 'B' (ON) position.
The fuel level and coolant temperature LCDs as well as all cau-
tion and pilot lamp LEDs light up for 2 seconds, and the acoustic
warning signal sounds.

The fuel level is displayed (1).

The parking brake caution lamp (2) lights if the parking brake
is engaged.

The caution lamps for battery charge circuit (3) and engine
oil pressure (4) are lit.

The intake air pre-heater pilot lamp (5) is lit if the intake air
pre-heater is active.
NOTICE
Contact your Komatsu distributor if one of the pilot lamps does
not light up.
Do not use only the gauges and indicators for the checks before
starting; also be sure to perfom the tasks specified for regular
maintenance.
Check electrical connections
ATTENTION
Fire hazard! Combustible material (leaves, twigs, grass, etc.) in
the electrical system may ignite.
Remove combustible material from the electrical system.
NOTICE
Contact your Komatsu distributor if a fuse blows or if there are
signs to indicate a short circuit in the electrical system.
Periodically check the terminals for firm seat and retighten loose
terminals.
A B
C
G0070421
G0070400A
1
5 2 3 4