COLUMN A 6K5342 - Caterpillar

This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52244" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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 14Jun2012 Service Letter. Changes have been made to the Termination Date to terminate the program early. A new program has been released to incorporate this repair.
TERMINATION DATE
30Apr2013
PROBLEM
The existing 4-bar link casting to fabricated rail welded joint can fail on certain 793F, 793F CMD and 793F XQ Off-Highway Trucks. If the failed joint is not repaired correctly and the interior weld updated to the new weld classification this failure could repeat.
AFFECTED PRODUCT
Model Identification Number
793F SSP00112-00578
793F CMD RBT00111-00118
793F XQ SND00100-00115
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
Refer to REHS7193 "Procedure for Repairing Cracks where the 4-Bar Casting Transitions to the Main Rail on the Frame of Certain 793F Off-Highway Trucks" for instruction on repairing and updating the welded joint.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-18000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 16.0-hour job
Note: One additional hour of labor will be allowed for each corner joint requiring rework.
Note: 4 additional labor hours will be allowed for removal & reinstallation of the chassis brake valve when a top joint of the left side rail is to be repaired.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.