GROMMET 9M5617 - Caterpillar

SEBE8857-04 July 22, 2004
(Revised October 2004)
U-221
TT-17
beforeor
after failure PRODUCT SUPPORT PROGRAM FOR REPLACINGTHE EXHAUST ROCKER ARMS ON CERTAIN C15 TRUCK ENGINES EQUIPPED WITH COMPRESSIONBRAKES
11191123 PS41632
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS41632"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe July 22, 2004 (Revised September 2004) Service Letter. Changes havebeen made to the service claim allowance, parts needed, and the reworkprocedure.TERMINATION DATE
July 31, 2006PROBLEM
Excessive compression brake movement can causethe exhaust rocker arms to crack on certain C15 truck engines.AFFECTED PRODUCT
Model Identification Number
C15 BXS1-24464PARTS NEEDED
Qty
Part Number Description
BEFORE AND AFTER FAILURE
9 2572122 BOLT-HEX HEA
AFTER FAILURE
1 8L2777 SEAL-O-RING
1 9L7712 NUT-JAM
1 1049270 BUTTON
6 10R1364 ARM AS-V ROC
1 2213276 ARM AS-V ROC
1 2320253 SCREW-ROCKER
1 1309811 SENSORACTION REQUIRED
See the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-24 mos 100% 0* 0 0 0 0
NOTE*: This is at most a 5.5?hr job. Useapplicable SMCS codes shown below to claim labors for this service letter.
For before failure use: This letteronly pays for the additional labor and cost of replacing the bolts andadjusting the valve lash when you are already working under the valve coverfor some other reason. All other operations that would have normally beendone are not covered by this letter.LABOR HOUR/SUPPLEMENT BREAKDOWN BY CAB TYPE
After failure:
SMCS CODE DESCRIPTION SC MC CV CO
1123-035 Troubleshoot 0.5 0.5 0.5 0.5
1119-010-ES R&I Jake 0.6 0.6 0.6 0.6
1123-010-S R&I Rocker ArmSet 3.9 3.9 3.9 3.9
1123-017 Rocker Arms D&A 0.6 0.6 0.6 0.6
1123-030 Wash 0.3 0.3 0.3 0.3
1123-030 Test 0.3 0.3 0.3 0.3
1921-010 Inlet air temp R&I 0.1 0.1 0.1 0.1Before failure:
SMCS CODE DESCRIPTION SC MC CV CO
1119-037-BC Replace Bolts 0.5 0.5 0.5 0.5
1105-025-ES-S Adjust Lash settings 1.5 1.5 1.5 1.5PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.Attach. (1-Rework Procedure)Rework ProcedureDifferent procedures are needed for enginesequipped with Pac brakes versus engines equipped with Jacobs brakes. Thenew bolts used for Jacobs brakes will not fit on Pac brakes. Identify whichtype of compression brake is on the engine and follow the appropriate procedure.Pac Brake Only:Before failure: This procedure should be usedwhen the valve covers need to be removed