Komatsu PW118MR-11, Operation & Maintenance Manual, Page: 199 / 462

• The fuse holder is installed inside the cover at the rear left
of the operator's seat.
• The fuses protect the electrical component and wiring from
burning out.
• If the fuse becomes corroded, or looks white powdery, or
the fuse is loose in the fuse holder, replace the fuse.
• Replace the fuse with the one of the same capacity.
Fuse capacities and circuit names
Fuses F01A
Ite
m
Fuses
(A)
Name of circuit
(1) 5 Redundant resistor, working lamp switch
(2) 30 Solenoid valves
(3) 5 PPC hydraulic circuit shut-off solenoid valve
(4) 10 Window washer, cigarette lighter
(5) 10 Horn
(6) 5 Spare
(7) 10 Rotating lamp
(8) 10 Radio, speakers
(9) 20 Spare
(10) 20 Air conditioning
(11) 10 Working headlamp on boom
(12) 10 Optional power supply (1) (M09)
(13) 10
Optional power supply (2) (M10) - 12V socket
converter
(14) 5 Air conditioning control unit
(15) 5 Key ACC signal
(16) 10 Room lamp, system operating lamp
(17) 20
Monitor, pump control unit, machine control
unit
(18) 30 Engine controller
(19) 5 Air conditioner ECU backup
(20) 10 Optional power supply (M1A),
RKA63090
RKA52310
OPERATION EXPLANATION OF COMPONENTS
3-127
WENAM00130