Komatsu D31EX-21, Operation & Maintenance Manual, Page: 94 / 256

EXPLANATION OF COMPONENTS
OPERATION
3-42
Fuse box (2)
q
Cab (machines equipped with cab)
Fuse box (3) (Machine equipped with cab)
ELECTRIC POWER TAKE-OUT ADAPTER 3
NOTICE
q
Do not use as a power supply for 12V equipment.
This will cause failure of the equipment.
q
When using as a power supply pickup, do not install equipment which exceeds 120W (24V x 5A).
(Machines equipped with cab)
It is possible to remove the cigarette lighter and use the socket as a power supply.
Capacity of cigarette lighter: 120W (24V x 5A)
(Machine not equipment with cab)
1. Open the engine side cover on the right side of the
machine.
2. There is a connector for the power takeoff.
The connector is held securely in position with clamps.
Capacity of each connector:
(1) CN17: 480W (24Vx20A) (Use when the starting switch
is ON)
NO.
Fuse
capacity
Name of circuit
(A) 10A Cab power source
(B) 10A (spare)
(C) 15A Canopy heater
(D) 20A Power port
(E) 30A Chassis power source
No.
Fuse
capacity
Name of circuit
(A) 10A Radio memory
(B) 20A Radio, lamp, cigarette lighter
(C) 10A Rear wiper
(D) 30A Air conditioner
(E) 10A Front wiper