Komatsu WA100M-7, Operation And Maintenance Manual

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3.2 Descriptions of the individual elements Operation
3-46
WA80M-7, WA100M-7 – VENAM03001
3.2.11 Slow-blow fuses
If the power supply fails, one of the slow-blow fuses might be
blown. Check the electrical system and replace defective fuses.
The fuse box is located in the battery compartment.
3.2.12 Relays
G0010080A
250A
5
4
2
3
1
6
7
8
1. Starter motor relay 70 A
2. Battery fuse 100 A
3. Intake air pre-heater relay 200 A
4. Intake air pre-heater fuse 250 A
5. Battery relay 120 A
6. Engine controller fuse 30 A
7. Engine controller fuse 5 A
8. Pilot lamp, controller
1. A450 option Immobiliser
2. K56.1 Relay (headlight)
3. K56.2 Relay (high beam)
4. K67 Turn indicator
5. K158.2 Relay (KOMTRAX)
6. K167 Relay 0.8 SEC.
7. K209 option Return to dig
8. K235 Relay (speed range)
9. K296 option Relay (air conditioner)
10. K314 option 650 Hz switch or 400 Hz switch
11. K373.1 Relay (parking brake)
12. K373.2 Relay (parking brake)
13. K376 option Relay (differential)
14. K385 Relay (back-up alarm)
15. K411 option Relay (hose break safety device)
16. K464 option Relay (4th control circuit)
17. KOP3 option Relay (option)
18. V118 Diode