A New Generator Circuit Breaker Undervoltage/Shunt Trip Circuit is Now Used on Certain XQ800 Rental Generator Sets {4461, 4490, 7002} Caterpillar

A New Generator Circuit Breaker Undervoltage/Shunt Trip Circuit is Now Used on Certain XQ800 Rental Generator Sets {4461, 4490, 7002}

Usage:

C27 N1B

Generator Set: C27 GEN SET (S/N: N1B1-371)

Description Of Change: The new shunt trip circuit is used to trip the breaker and undervoltage circuit breaker is for undervoltage function only.

Adaptable To:

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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

The 559-8229 Conversion Ar Gp is used to rewire generator sets with the new shunt trip circuit and undervoltage circuit breaker. Refer to Special Instruction, M0093090, Procedure to Update Generator Circuit Breaker Undervoltage/Shunt Trip Circuit on Certain XQ800 Rental Gensets for the rework procedure.

Caterpillar Information System:

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