COUPLING-ELBOW 7N4901 - Caterpillar

REBE9114-00
04Dec2012
D241
D580
E455
E459
J440
L323
Before/After
(Limited distribution)
Parts stock action needed PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE CYLINDER HEADS ON CERTAIN C280-6, C280-8, C280-12, AND 3612 MARINE AND PETROLEUM ENGINES
1100 1101 PS43779
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 "PS43779" 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.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.
Although this Program is to be administered as described above on the Affected Product,parts should be removed from parts stock as soon as possible.
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
31Dec2014
PROBLEM
The existing cylinder heads may have a casting flaw which can lead to failure on certain C280-6, C280-8, C280-12, and 3612 Marine and Petroleum Engines. If the cylinder head fails, it can allow jacket water to enter the cylinder or combustion gas to enter the coolant.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
C280-6 SCB00129-00130
*******Group 2*******
C280-8 PKA00171-00172
*******Group 3*******
C280-12 TSJ00165-00167, 169
*******Group 4*******
C280-12 TSJ00168
*******Group 5*******
3612 9RC00546-00547
PARTS NEEDED
Qty
Part Number Description
*******Group 1*******
6 9X2838 KIT-GASKET(CHR) (As Required)
6 1422826 GASKET-COMB (As Required)
6 2525626 HEAD GP-CYL BSC (As Required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation