SEAL KIT- 7X2729 - Caterpillar

REBE5809-00
08Jul2010
U-249
Before/After
PRODUCT SUPPORT PROGRAM FOR REWORKING THE WIRING FOR THE AUTO-STOP-RUN SWITCH ON CERTAIN C2.2, C3.3, AND C4.4 GENSET PANELS
1408 PS43114
This Program must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43114" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Jul2011
PROBLEM
The shunt trip causes the main circuit breaker to open when the genset has the unit stopped in the auto position on certain C2.2, C3.3, and C4.4 Gensets. The existing wiring design has a DC supply to the shunt trip when in the auto position.
The protection relays (overload relay and under voltage timer) operate from the Genset AC supply. The protection relays are fail-safe units and default to the fault position when they are not powered. The power to the shunt trip is removed when the unit is in the OFF position and the breaker does not open.
AFFECTED PRODUCT
Model Identification Number
C2.2 GBE00123-00132, 143-148, 153-160, 162-168, 171-174, 181-183, 186, 206-208, 210-212, 214, 236, 238, 240, 243, 252-254, 269, 285-286, 290-293, 304, 312-314, 360
C4.4 GLE00301-00302, 700-722, 724-756, 770-771
C6.6 MRW00100-00102, 104-189
PARTS NEEDED