Komatsu Galeo PC800LC-8, Operation & Maintenance Manual

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OPERATION
DETAILED CONTROLS AND GAUGES
3-69
CIRCUIT BREAKER 3
NOTICE
When resetting the circuit breaker, always turn the starting
switch OFF first.
q
If the starting switch does not work, even when the starting
switch is turned on, open the circuit breaker box inside the
grease pump box located at the front right of machine, and
perform inspection.
q
If an excess current is generated, the circuit breaker cuts
off electrical current to protect electrical components and
wiring from damage. To return the circuit electrical current
to normal after it has been cut off, push in the reset button.
If the electric circuit is working normally, the reset button
remains in. If the reset button pops out again immediately
after it is pushed in, it is necessary to check the electric cir-
cuit.
REMARK
The circuit breaker is a circuit protection device installed to cir-
cuits where large current flows. It protects the electrical com-
ponents and wiring from damage caused by an abnormal
current in the same way as a normal fuse. After repairing and
restoring the location of the abnormality, there is no need to
replace the breaker. It can be used again.
If the starting motor does not work even when the starting
switch is turned to the ON position, breaker (6) has probably
cut off the circuit, so check and restore circuit breaker (6).
If the electrical equipment does not work even when the fuse is
replaced, breaker (1) or (9) has probably cut off the circuit, so
check and restore circuit breaker (1) or (9).
No.
Fuse
Capacity
Circuit Name
1 40A Fuse 1 to 15
2 20A
Work equipment headlamp
Right side headlamp
3 20A Power supply grease pump
4 20A Pump controller (VIS)
5 20A Cab upper headlamp
6 20A
Starting switch
Pump controller (VB)
7 30A Engine controller (Power supply)
8 20A Monitor,buzzer
9 20A Fuse 16 to 20