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EXPLANATION OF COMPONENTS
Fuse box B
Fuse
No.
capacity
(1)
15 A
Horn
(2)
20 A
Transmission control
(3)
5 A
Parking brake
(4)
5 A
Secondary steering
(5)
15 A
Work equipment positioner
(6)
10 A
Backup lamp and brake lamp
(7)
30 A
Wiper and washer
(8)
20 A
Air conditioner blower
(9)
5 A
Main compressor
(10)
10 A
Monitor main circuit
(11)
30 A
Main lamp circuit
(12)
10 A
Right clearance lamp
(13)
10 A
Left clearance lamp
(14)
15 A
Right headlamp
(15)
15 A
Left headlamp
Fuse box C
Fuse
No.
capacity
(1)
20 A
Smart sensor
(2)
10 A
Smart sensor
(3)
10 A
DEF heater
(4)
20 A
DEF heater
(5)
10 A
Spare
SLOW-BLOW FUSE
NOTICE
When replacing the slow-blow fuse, be sure to turn the starting switch to OFF position and, after con-
firming that the system operating lamp is not lit, set the battery disconnect switch key to OFF position.
When the starting switch is turned to ON position, if the power
is not supplied, the slow-blow fuse may be broken. Check the
slow-blow fuse and replace it if necessary. Check or replace it.
The slow-blow fuse is on the side of the engine on the left side
of the machine.
Slow-blow fuse
(1) 50 A: Continuous power supply
(2) 50 A: Main power supply A
(3) 50 A: Main power supply B
(4) 120 A: Heater relay (ribbon heater)
3-118
Name of circuit
Name of circuit
OPERATION
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