Replacement Procedures; Replacing Fuses And Relays - Komatsu AX20 Operation & Maintenance Manual

32. REPLACEMENT PROCEDURES

32. REPLACEMENT PROCEDURES
32.1

REPLACING FUSES AND RELAYS

32.1.1 CHASSIS FUSES (ALL TRUCKS)
NOTICE
• When replacing the fuses, always turn OFF the electric power first (turn the starting switch to the
OFF position).
• Always replace the fuses with a fuse of the same capacity.
The CHASSIS fuses are used to protect the electrical components and wiring from burning out and are located in a
fusebox located to the left of the steering column and below the dashboard panel of dials and gauges.
1. Turn the starting switch to the OFF position.
2. Open the cover of the fuse box and replace necessary fuses inside. To remove the cover from the fuse box,
push the side face of the cover lightly with your fingers and pull it out.
The fuse number in the tables below correspond from right to left in the illustration. Check the relationship
between the fuses and the electrical components when replacing.
.
Fuse capacity for lift trucks without
Operator Presence System
Capacity
No.
(Amp)
EPA gas: 5
(1)
Diesel: 10
(5) 10
(6) 10
(9) 10
(10) 15
(11) 15
Fuse capacity for lift trucks with
Operator Presence System
Capacity
No.
(Amp)
EPA gas: 5
(1)
Diesel: 10
(4) 15
(5) 10
(6) 10
(9) 10
(10) 15
(11) 15
4-30
Related Electrical
Component
Starter relay
(neutral safety switch)
Meter
Back-up lamp
Horn
Lamps
Stop lamp
Related Electrical
Component
Starter relay
(neutral safety switch)
Main relay
Back-up lamp
Meter
Horn
Lamps
Stop lamp
LIFT TRUCK WITHOUT
OPERATOR PRESENCE SYSTEM
LIFT TRUCK WITH
OPERATOR PRESENCE SYSTEM
METER BACK MAIN
OPT
LAMP
RELAY
10A (IGN)
10A
15A
SPARE SPARE
STOP LAMP HORN
OPT
LAMP
(BAT)
10A
15A 15A
STARTER
OPT
RELAY
(IGN)
5A
SPARE
OPT
FUSE
(BAT)
PULLER