Fuses And Relays; Fuses; Equipment Fuses - Komatsu PC27R-8 Operation & Maintenance Manual

3.4 FUSES AND RELAYS

IMPORTANT
When changing a fuse, make sure that the ignition key is in position « ».
If the fuses are oxidized, corroded or do not fit perfectly in their seat, replace them only with new fuses
having the same capacity.
If the engine does not run when the ignition switch is turned to position (
fuse and if necessary change it.

3.4.1 FUSES

The equipment fuses are grouped on a single base positioned on the left control box, while the main fuse is posi-
tioned inside the battery compartment.
3.4.1.1

EQUIPMENT FUSES

POSITION COLOUR
1 Green
2 Violet
3 Light blue
4 Red
5 Brown
6 Red
7 Brown
8 Brown
9 Brown
10 Brown
11 Brown
RWAA0880
CAPACITY (A)
30 Engine stop
3 Engine accosting alarm, start relay, instrument power supply
15 Fan
10 Arrangement for radio set installation
7,5 Revolving light, servocontrol solenoid valve
10 Fuel pump, horn, TBG
7,5 Hammer solenoid valve
7,5 Outlet, cab
7,5 Alternator, speed increase solenoid valve
7,5 Engine stop solenoid
7,5 Working light
FUSES AND RELAYS
) (START), check the main
1 2 3 4
9 10 11
5 6 7 8
INVOLVED CIRCUIT
RWA10030
75