CARRIER STATOR 1T1713 - Caterpillar

REBE8167-00
07May2012
U-248
Before/After
PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN C18 INDUSTRIAL ENGINES IN A LOCOMOTIVE GENERATOR SET APPLICATION
1901 1920 PS43591
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 "PS43591" 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
31May2013
PROBLEM
The existing software can exhibit low load instability on certain C18 Industrial Engines in a Locomotive Generator Set application that are operating at 1800 RPM (60Hz).
AFFECTED PRODUCT
Model Identification Number
C18 WJH04706, 4712, 4714, 4717-4718, 4722, 6164-6165, 6169, 6313-6315, 6320-6321, 6325, 6327, 6329-6330, 6332, 7023, 7026, 7028, 7367-7376, 7378-7380, 7382, 7384, 7387-7388, 7469-7470, 7472, 7474-7475, 7566-7573, 7577, 7579, 8399, 8415, 8621
PARTS NEEDED
Qty
Part Number Description
1 3948205 SOFTWARE GP-ELEK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 22% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
If engine speed instability at low load is experienced, update the engine ECM with the new software.
Refer to the Service Manual if/as necessary.
SERVICE CLAIM ALLOWANCES