Replace Slow Blow Fuse - Komatsu WA470-5H Operation & Maintenance Manual

SERVICE PROCEDURE

REPLACE SLOW BLOW FUSE

NOTICE
! Always turn the power OFF when replacing the slow
blow fuse (turn the starting switch to the OFF position).
! Always replace the slow blow fuse with a fuse of the
same capacity.
1. Turn the starting switch to the OFF position.
2. Remove the slow blow fuse box from the chassis.
3. Open covers (1), (2), and (3) of the slow blow fuse box.
Covers (2) and (3) can be removed easily by using protru-
sion (A) on the body as a fulcrum and levering the catch of
the cover with a flat-headed screwdriver to release it.
4. Loosen screws (4) and (5), and remove.
When screws (4) and (5) are removed, slow blow fuse 6 will
also come off together with electric wiring (7) and (8).
5. Using screws (4) and (5), install a new slow blow fuse
together with electric wiring 7 and 8 to the slow blow fuse
box, then close covers (1), (2), and (3).
6. Install the slow blow fuse box to the chassis.
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