Slow-Blow Fuse; Taking Off Power - Komatsu WA470-5H Operation & Maintenance Manual

Wheel loader
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EXPLANATION OF COMPONENTS

SLOW-BLOW FUSE

If the power does not come on when the starting switch is
turned ON, the slow-blow fuse may be blown, so check and
replace it.
The slow-blow fuse is beside the engine on the left side of the
machine.
SLOW-BLOW FUSE
(1)120A: Heater relay (electrical intake air heater)
120A: Main power
(2)30A: Battery power (starting switch, hazard)

TAKING OFF POWER

NOTICE
! There are two power sources: 12V and 24V
Check the voltage of the electrical equipment and select the appropriate power source.
! Mistaken use, such as using 24V as the power source for 12V equipment, will cause failure of the
equipment.
! When using the electric power source, do not install any equipment which will exceed the maximum
amperage.
When cigarette lighter (1) is removed, the lighter socket can be
used as a 24V power source.
Maximum amperage: 9A (216W)
Electric power source (2) can be used as a 12V power source.
Maximum amperage: 10A (120W)
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OPERATION
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