PSP FOR INSTALLING NEW TURBOCHARGERS ON CERTAIN 789 TRUCKS AND 3516 ENGINES (SPARE) - PS4472 - MAILED US AND CANADA, COFA, LIM ITED CACO, LIMITED COSA, LIMITED CFEL Caterpillar

PSP FOR INSTALLING NEW TURBOCHARGERS ON CERTAIN 789 TRUCKS AND 3516 ENGINES (SPARE) - PS4472 - MAILED US AND CANADA, COFA, LIM ITED CACO, LIMITED COSA, LIMITED CFEL

Usage:

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Caterpillar: Confidential Yellow

PSP FOR INSTALLING NEW TURBOCHARGERS ON CERTAIN 789 TRUCKS AND 3516 ENGINES (SPARE) - PS4472 - MAILED US AND CANADA, COFA, LIM ITED CACO, LIMITED COSA, LIMITED CFEL

NOTE: 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.


U-192
A-132.2
AU-122
E-115.1
O-148.2
1052   PS4472
NOTE: This Program can be administered either before or after a
failure. In either case the decision whether to apply the Program
is made by the dealer. When reporting the repair, use "PS4472"
as Part Number, "7755" as Group Number, and "96" as Description
Code.

Termination Date

September 30, 1991

Problem

New turbochargers can be installed on certain 789 Trucks and 3516 Engines
(Spare) to improve performance/response, lower smoke levels, and reduce
exhaust gas temperatures. These turbochargers also include the improvements
to the compressor wheel, turbine wheel, and bearing housing that were
implemented in the May 27, 1989 Service Letter - PS4278.

Affected Product

Model Identification Number
789  9ZC1-454, 457, 458, 460-462
3516 54Z170, 179, 190, 196, 206, 217, 233, 239, 240, 264, 284, 291,
293-296, 311, 334, 349, 350, 364, 381, 384, 385, 406, 407,
431, 432, 441, 458-461, 494, 495, 512

Parts Needed

***** If Remanfuactured Products Are Available *****
1 - 7M7273 Gasket
1 - 7N7559 Gasket
4 - 7N7628 Gasket
1 - 7N8875 Gasket
1 - 0R6158 Turbocharger
2 - 5P5700 Seal
Quantities listed are per turbocharger. There are 4 turbochargers per
Affected Product.
***** Only If Remanfuactured Products Are Not Available *****
9ZC1-335  9ZC336-462
1 - 7M7273 Gasket  1 - 7C6370 Clamp
1 - 7N7559 Gasket  1 - 7M7273 Gasket
4 - 7N7628 Gasket  1 - 7E9496 Turbine Housing
1 - 7N8875 Gasket
1 - 7E9497 Turbocharger
2 - 5P5700 Seal
Quantities listed are per turbocharger. There are 4 turbochargers per
Affected Product.

Action Required

Replace each of the four existing turbochargers with a 0R6158 Turbocharger,
the new gaskets, and seals. Adjust the smoke limiter to the proper setting.

Service Claim Allowances

Product Caterpillar Dealer Suggested Customer Suggested
smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
(D/N) (Cost)  (C/L) (Sell)
0-4000 100% 4 0 4 0 0
4001-7000 33 1/3% 2 0 2 50% 4
NOTE: This is an 8-hour job to replace all four turbochargers.
NOTE: If there has been a previous repair in which the customer
participated, part age will apply. Retain a copy of the previous
repair invoice in the dealer's records for audit purposes, and
specify repair date and machine hours in the "Additional
Comments" section of the warranty claim.
When filing a claim for a spare engine use the following serial numbers as
the vehicle serial number:
U.S. Dealers - 99Z21
Canadian and CACO Dealers - 99Z621
CofA Dealers - 99Z121
CFEL Dealers - 99Z821
COSA Dealers - 99Z421

Parts Disposition

Any parts removed (with the exception of cores used for Caterpillar
Remanufactured parts) can be rendered useless and scrapped immediately upon
completion of the repair.