AD30 Underground Articulated Truck Machine Electrical System Circuit Breaker Caterpillar


Circuit Breaker
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AD30 Underground Articulated Truck Machine Electrical System [RENR6921]
ELECTRICAL AND STARTING SYSTEM
CIRCUIT BREAKER GP
AD30 Underground Articulated Truck Machine Electrical System Circuit Breaker


NOTICE

Replace circuit breakers with the same type and size only. Otherwise, electrical damage can result.

If it is necessary to reset circuit breakers frequently, an electrical problem may exist. Contact your AVSpare dealer.


The circuit breaker panel is located in the cab, below and to the left of the dash panel. The circuit breakers protect the electrical system from damage caused by circuit overload.


Circuit Breakers - Push in the button to reset the circuit breaker. If the electrical system is working properly, the button will remain depressed. If the button does not remain depressed, check the appropriate electrical circuit. Repair the electrical circuit, if necessary.



Illustration 1g00993356

Circuit breaker panel




Illustration 2g00993363

Circuit breaker panel

(1) 30 amp (Automatic) - High beam relay, left head light, tail lights/backup light.

(2) 30 amp (Automatic) - High beam relay, right head light, tail lights/backup light.

(3) 15 amp - Idle timer/fire suppression control (foam type), Engine ECM, key start switch.

(4) 15 amp - 24v to 12v converter, horn relay, flasher, dome lamp, radio reducer, accessories.

(5) 15 amp - Spare, backup alarm.

(6) 15 amp - Block light/rear cab flood light.

(7) 15 amp - Wiper/washers.

(8) 30 amp - Air conditioning system.

(9) 15 amp - Automatic lubrication system (if equipped), health monitoring, compressor motor.

(10) 15 amp - AVSpare Monitoring System, health monitoring, fuel level buffer.

(11) 15 amp - ET service port, Engine ECM.

(12) 15 amp - Transmission oil pressure sensor, transmission gear position sensor, shift lever position sensor, hoist control position sensor, Power Train/Chassis ECM.

(13) 15 amp - Spare.

(14) 15 amp - 24v to 12v converter, radio reducer, cassette, accessories plug, spare, residual brake oil/stop light pressure switch, camera monitor.




Illustration 3g00995251

(15) 105 amp - Alternator




Illustration 4g00995255

(16) 80 amp - Main

The circuit breakers prevent circuit overload. Each circuit breaker has a specified current rating, depending on the system requirements. If an overload occurs on a system, the circuit breaker element will separate, power will not be supplied to the system until the circuit breaker has been reset. If the circuit breaker element separates again a fault is present in the related electrical system.

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