Komatsu PC14R-3, Operation & Maintence Manual

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INSTRUMENTS AND CONTROLS
96
WEAM009300
3.2.11 FUSES
IMPORTANT
q
When changing a fuse, make sure that the ignition key is in
position OFF.
q
If the fuses are oxidized, corroded or do not fit perfectly in
their seat, replace them only with new fuses having the
same capacity.
The fuses protect the electrical equipment and wiring from
burning out.
If a fuse is corroded, covered with white powder, or loose in the
fuse holder, change it.
Replace the fuse with a new one having the same capacity.
Fuse capacity and circuits involved.
F1
F5 F6
F9 F10 F11
F7 F8
F2 F3 F4
RKA16520
RKA22790
POSITION COLOUR CAPACITY (A) CIRCUIT INVOLVED
F1 Red 10 Radio power supply
F2 Green 30
Supply for engine stop solenoid, timer on solenoid, safety relay,
alternator regulator
F3 Red 10 Fuel supply pump, working headlamp on arm
F4 Yellow 20 High-low speed switch, PPC solenoid valve, display power supply
F5 Light blue 15 Horn
F6 Light blue 15
Windscreen wiper, overhead lamp, heating fan, solenoid valve for
blade change/variable width
F7 Red 10 Optional, 12V power outlet
F8 Red 10 Revolving light
F9 Light blue 15 Working headlamp on cab (optional)
F10 - - Free
F11 - - Free