TANDEM VALVE ASSEMBLY 6K1265 - Caterpillar

TEBE1492-01
01Aug2014
(Revised 22Sep2014)
U-456
A-332
D-403
O-385
Priority
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE TURBOCHARGERS ON CERTAIN 3412C GENERATOR SETS
1052 PI32378
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program must be administered as soon as possible.When reporting the repair, use "PI32378" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Codeand "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI32378" as the Part Number, "7751" as the Group Number,"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 01Aug2014 Service Letter. Changes have been made to the Affected Product.
COMPLETION DATE
TERMINATION DATE
28Feb2015 31Aug2015
PROBLEM
The turbochargers need to be inspected on certain 3412C Generator Sets. The existing tubochargers can prematurely fail the thrust washer.
AFFECTED PRODUCT
Model Identification Number
3412C RTY03526-03536, 3539, 3541, 3543, 3545-3546, 3548, 3550, 3552, 3554, 3556-3558, 3561-3563, 3613, 3685-3690, 3776, 3778-3784, 3786-3789, 3791, 3793-3798, 3801, 3803-3805, 3807, 3810-3827, 3830-3842, 3846, 3848, 3855-3864, 3867-3870, 3872, 3874, 3876-3879, 3882, 3887, 3891, 3897-3904, 3906-3915, 3917, 3920-3927, 3929-3930, 3933-3934, 3944-3945, 3947-3949, 3951-3952, 3960, 3968-3975, 3978-3981, 3983, 3985, 3988, 3990-3994, 3996-3999, 4002-4006, 4008, 4010, 4013-4022, 4024-4025, 4124, 4127, 4131, 4135, 4140, 4142-4143, 4145-4148, 4161, 4163-4166, 4168-4170, 4172, 4174
TGC01062, 1064-1080, 1082-1101, 1103-1105, 1107, 1109-1110
PARTS NEEDED
Qty
Part Number Description
2 1S4295 GASKET-TURBO (AS NEEDED)
8 2N2765 BOLT-HEX FLG HD (AS NEEDED)
8 2N2766 LOCKNUT (AS NEEDED)
2 4P2783 TURBO GP-BASIC (AS NEEDED)
2 5P7530 SEAL-O-RING
8 6V3917 SEAL-O-RING
4 6V5103 SEAL-O-RING
6 7E4369 SEAL AS-EXHAUST
2 1986068 SEAL-INTEGRAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 20% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Inspect the turbochargers for thrust bearing wear.
Note: Only replace turbochargers that do not meet the endplay measurements set forth in this program.
Refer to the attached Rework Procedure.
OWNER NOTIFICATION
Owners in the following countries will receive the attached Owner Notification:
US
Canada
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
100% 100% 0% 0% 0% 0%
This is a 1.5-hour job
An additional 1 hour is allowed for each turbo if replacement is necessary.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
EXAMPLE COPY OF OWNER NOTIFICATION
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE TURBOCHARGERS ON CERTAIN 3412C GENERATOR SETS
MODELS INVOLVED - 3412C
Dear Cat Product Owner:
The turbochargers need to be inspected on the products listed below. The existing turbochargers can fail the thrust bearing at less than 100 hours. You will not be charged for the service performed.
Contact your local Cat dealer immediately to