Komatsu PW118MR-11 Operation & Maintenance Manual page 199

OPERATION
• 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
Ite Fuses
m (A)
(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)
Optional power supply (2) (M10) - 12V socket
(13) 10
converter
(14) 5 Air conditioning control unit
(15) 5 Key ACC signal
(16) 10 Room lamp, system operating lamp
Monitor, pump control unit, machine control
(17) 20
unit
(18) 30 Engine controller
(19) 5 Air conditioner ECU backup
(20) 10 Optional power supply (M1A),
Fuses F01A
Name of circuit
WENAM00130
EXPLANATION OF COMPONENTS
RKA63090
RKA52310
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