Komatsu D31EX-21, Operation & Maintenance Manual, Page: 93 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-41
FUSE 3
NOTICE
Before replacing a fuse, be sure to turn ignition switch to the OFF position.
The fuses protect the electrical equipment and wiring from burning out.
If the fuse becomes corroded, or white powder can be seen, or the fuse is loose in the fuse holder, replace the
fuse.
Replace the fuse with another of the same capacity.
q
Chassis
Fuse boxes (1) and (2) are installed inside the engine side
cover on the left side.
q
Cab (machines equipped with cab)
Fuse box (3) is installed to the rear right of the ceiling.
FUSE CAPACITY AND CIRCUIT NAME
q
Chassis
Fuse box (1)
NO.
Fuse
capacity
Name of circuit
(A) 20A Head lamp, Rear lamp
(B) 10A Chassis power source, monitor panel
(C) 10A Controller
(D) 10A Horn
(E) 15A Stop solenoid