Check Electrical Harnesses And Fuses - Hitachi ZW 550-6 Operator's Manual

Check Electrical Harnesses and Fuses

--- every 50 hours
d
CAUTION: If dirt or dust is adhered on the wirings
or relays, it may cause fire.
Check the electrical harness and terminals of the batteries,
starter motor, and alternator for loose connection and/
or short circuit (broken shield). If any burned mark or a
burning odor is noticed at a harness, consult your nearest
authorized dealer.
Replace Fuse
1. If any electrical equipment becomes inoperable, first
check the fuses in the fuse boxes (A, B) located in the
left console in the operator's station.
2. One or two each spare fuse for respective fuse
capacities is provided in the fuse boxes (A, B).
3. Finally, check slow blow fuses (1, 2) located on the left
side of the machine.
1- 140 A x 2
2- 70 A x 2
MAINTENANCE
Fuse box A
7-86
Fuse box B
Front
attachment side
1 2
Battery box
FuseBox_550
115Z7B-SlowBlow