Komatsu PC18MR-3, Operation & Maintenance Manual

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INSTRUMENTS AND CONTROLS
116 WEAM012101
3.2.12 MAIN FUSE
IMPORTANT
q
Before replacing fuses, be sure to first turn the starting
switch to the OFF position, wait for over one minute, then
switch the battery disconnect switch to OFF and take out
the battery disconnect switch key.
q
If the engine does not start when the start-up key is set to
START, check the mains fuse and replace it, if necessary.
If the starter does not run when the ignition switch is turned to po-
sition START, the fuse (1) may have blown. Open the battery cov-
er on the left hand side of the machine, check the fuse and
replace if necessary. The mains fuse (45A) is located above the
battery. For instructions for opening and closing the battery cover,
see "3.2.8 BATTERY COVER".
NOTE
q
The main fuse is the high-capacity fuse installed to protect the
electric components and the wiring.
3.2.13 12V OUTLET FUSE
IMPORTANT
q
Before replacing fuses, be sure to first turn the starting
switch to the OFF position, wait for over one minute, then
switch the battery disconnect switch to OFF and take out
the battery disconnect switch key.
The fuse (2), with 12V power outlet protection, is fixed to the horn
wiring located on the machine rear left side.
Loosen the screws (3) and remove the cover to access the fuse.
Always replace the fuse with one of the same capacity.
10A fuse capacity