CLAMP 8N0878 - Caterpillar

REBE5236-02
20Nov2009
(Revised 03Mar2010)
U-404
A-326
D-356
O-358
Before/After
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE HUB ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS
1359 PS42991
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 "PS42991" 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.
This Revised Service Letter replaces the 20Nov2009 (Revised 17Feb2010) Service Letter. A change was made to Image1.7.2 in the attached Rework Procedure.
TERMINATION DATE
30Nov2010
PROBLEM
The existing fan drive bearings can fail on certain 773F and 775F Off-Highway Trucks. If the existing fan drive bearings fail it can cause engine vibration, excessive noise, or may damage