PRODUCT SUPPORT PROGRAM FOR REPLACING THE ROD BEARINGS ON CERTAIN G3612 AND G3616 ENGINES Caterpillar


PRODUCT SUPPORT PROGRAM FOR REPLACING THE ROD BEARINGS ON CERTAIN G3612 AND G3616 ENGINES

Usage:

SEBE7364-05

July 7, 2000
(Revised November 2003)
U-206
AU-123
O-181


 
 
before or
after failure

PRODUCT SUPPORT PROGRAM FOR REPLACING THE ROD BEARINGS ON CERTAIN G3612 AND G3616 ENGINES

1230
PS40230
NOTE: This Program can 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 "PS40230" as the Part number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
NOTE: This Revised Service Letter replaces the July 7, 2000 (Revised July 2003) Service Letter. Changes have been made to the Termination Date, Problem, Affected Product, Parts Needed, and the Service Claim Allowances.

TERMINATION DATE

December 31, 2004

PROBLEM

The connecting rod bearing on high compression ratio G3612 and G3616 engines may fail at less than 1/2 of their expected life. This service letter authorizes the replacement of connecting rod bearings on those engines that are susceptible to the failure after 20,000 hours of operation have elapsed on the part.

AFFECTED PRODUCT

Model Identification Number
G3612 1YG30-33, 36-45, 48, 56-57, 60, 66, 67, 70, 76, 77, 79-82, 96, 105, 106, 135, 142, 143, 154, 176, 177, 178, 192
G3616 4CG25-34, 37, 39, 41-48, 50-52, 57, 62, 63, 65-67, 72, 73, 75, 77, 78, 82-91, 94-96, 121, 125-127, 135, 137, 144, 145, 148, 149, 152-154, 159-165, 174, 175, 176-187, 192, 193, 196-199, 209-212, 217-224, 226, 244, 245

BLB174-176, 178, 179, 184, 194-196

PARTS NEEDED

***** G3612 *****

12 - 1927870 BEARING-ROD

***** G3616 *****

16 - 1927870 BEARING ROD

NOTE: Use the following parts only as needed:
2050640 Nut ? 12 point
1W0098 Bolt ? Connecting Rod
NOTE: The 2050640 Nut can be re-torqued a maximum of five times. Reuse the nuts until the maximum number of retorquing events has been achieved.

NOTE: Follow the reusability guidelines for the connecting rod bolts. Use new bolts only as required per the reuse guide.

ACTION REQUIRED

Replace the rod bearing.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts
Labor Hrs
Parts
Labor Hrs
Parts
Labor Hrs
***** G3612 *****
Unlimited
100 %
21
0
0
0
0
***** G3616 *****
Unlimited
100 %
28
0
0
0
0
NOTE: This program should be applied when the rod bearings have between 15,000-20,000 hours. Do not exceed 20,000 hours of operation.

NOTE: The customer is responsible for all maintenance costs associated with bearing replacement at all normally expected overhaul periods.

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

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