Komatsu H70051 Series Operation & Maintenance Manual page 182

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EXPLANATION OF COMPONENTS
If the fuse is corroded, or loose in the fuse holder, or looks white powdery, replace it.
Replace the fuse with the one of the same capacity.
Should the fuse is blown, investigate the cause and take necessary actions.
Inside rear console box
Loosen the knobs (1) (2 places), then remove the cover (2).
Fuse boxes are A, B, and C inside.
Fuse capacities and circuit names
Fuse box A
Fuse
No.
capacity
(1)
20 A
Starting switch
(2)
10 A
Hazard lamp
(3)
15 A
HST
(4)
30 A
Engine control
(5)
10 A
Monitor display
(6)
15 A
Radio
(7)
10 A
Auxiliary power supply
(8)
10 A
L.H. headlamp
(9)
10 A
R.H. headlamp
(10)
10 A
Turn signal lamp
(11)
10 A
Backup lamp and brake lamp
(12)
15 A
HST control
(13)
10 A
Boom
(14)
20 A
Wiper
(15)
20 A
Radio
3-116
Name of circuit
OPERATION

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