Komatsu WA800-3E0, Operation & Maintenance Manual

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OPERATION
EXPLANATION OF COMPONENTS
3-47
DUST INDICATOR 3
The dust indicator is at the front of the engine hood at the rear
of the operator's compartment.
The display is given in five stages according to the degree of
clogging of the element.
If the air cleaner is clogged, the air cleaner clogging caution
pilot lamp on the maintenance monitor lights up to inform the
operator that the air cleaner needs to be cleaned.
After cleaning, press the reset button to cancel the lamp.
For details of the method of cleaning, see “CLEANING OR
REPLACING OUTER ELEMENT (4-22)“.
FUSE 3
NOTICE
Before replacing a fuse, be sure to turn off the starting
switch.
The fuses acts to protect the electrical components and wiring
from burning out.
Replace any fuse if it is corroded or covered in white powder, or
if there is any play between the fuse and the fuse holder.
Replace the fuse with another of the same capacity.