Fuse Locations - Komatsu PC130-8 Shop Manual

SEN04117-03

Fuse locations

Connection table of fuse box
a This connection table shows the devices to which each power supply of the fuse box supplies power (A
switch power supply is a device which supplies power while the starting switch is in the ON position and
a constant power supply is a device which supplies power while the starting switch is in the OFF and ON
positions).
a When carrying out troubleshooting related to the electrical system, you should check the fuses and fus-
ible links to see if the power is supplied normally.
Type of power supply
Switch power supply
Switch power supply
Switch power supply
Constant power supply
Starting switch
Switch power supply
6
Fusible link Fuse No.
1
2
F04
3
(65A)
4
5
6
7
F04
8
(65A)
9
10
11
12
F04
(65A)
13
14
15
16
F05
(30A)
17
18
19
ACC
20
Fuse
capacity
Pump resistor, light switch, swing holding brake release
10A
switch
30A Pump controller
10A Starting motor cutout relay, PPC oil pressure lock switch
Windshield washer, cigar lighter, electrical intake air
10A
heater
10A Horn
10A (Spare)
10A Rotary lamp (If equipped)
20A Working lamp relay
10A Radio, speaker, one-touch power max. switch
10A (Spare)
20A Air conditioner unit
10A (Spare)
10A Relay for cab light
10A Optional power supply (1)
10A Optional power supply (2)
10A Radio backup, room lamp
20A Machine monitor, pump controller, starting switch (B)
10A (Spare)
30A Engine controller
5A Engine controller
40 Troubleshooting
Destination of power
1
PC130-8