The Generator May Crack on Certain XQC1600 PM3516 Generator Sets {1404, 4456} Caterpillar

Power Module

XQC1600 (S/N: N1M1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

Illustration 1	g06428996
(1) Weld (2) Drive end stator ring (3) Generator shell

Illustration 2	g06429001
Cracked weld

Illustration 3	g06429003
Cracked generator shell

On certain XQC1600 PM3516 generator sets using the 430-8990 Generators, the generator body may crack in the weld between the drive end stator ring and generator shell. In some cases, this crack may propagate to the generator shell.

Illustration 4	g06429006

The 243-1512 Inner Coupling may also be cracked.

Solution

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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.

If generator or coupling cracks are found, have the Dealer Technical Communicator (TC) report the findings by submitting request to CPI number 444032 through CPI Feedback within the Service Information Management System (SIMSi). Repair instructions will then be provided.