PRODUCT SUPPORT PROGRAM FOR REPLACING THE WASTEGATE VALVE ASSEMBLY ON CERTAIN 797F OFF-HIGHWAY TRUCKS WITH HIGH ALTITUDE ARRANGEMENT ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE WASTEGATE VALVE ASSEMBLY ON CERTAIN 797F OFF-HIGHWAY TRUCKS WITH HIGH ALTITUDE ARRANGEMENT ENGINES

Usage:

TEBE4668-02

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15Jul2016

(Revised 23Feb2017)

U-372

A-282

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Before/After Parts stock action needed	PRODUCT SUPPORT PROGRAM FOR REPLACING THE WASTEGATE VALVE ASSEMBLY ON CERTAIN 797F OFF-HIGHWAY TRUCKS WITH HIGH ALTITUDE ARRANGEMENT ENGINES
7750 1057		PS45153

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NOTE:

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.

NOTE:

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 "PS45153" as the Part Number and "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.

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NOTE:

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.

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NOTE:

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.

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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.

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NOTE:	This Revised Service Letter replaces the 15Jul2016 (Revised 26Oct2016) Service Letter. A change has been made to the Parts Needed.

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TERMINATION DATE

31Jul2018

PROBLEM

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The existing wastegate can fail on certain 797F Off-Highway Trucks with high altitude arrangement engines. If the existing wastegate fails it can lead to high exhaust temperature or high inlet manifold pressure events.

AFFECTED PRODUCT

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Model	Identification Number
797F	LAJ00195-00196, 231, 353, 355, 357, 359, 361, 363-364, 366, 376-377, 379, 386, 388, 392, 395, 398, 478, 537, 539, 544-553, 566-568, 572, 585-595, 597-598, 613-615, 620

PARTS NEEDED

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Qty	Part Number	Description
4	3E8017	LOCKNUT
4	1541582	BOLT-HEX HEAD
1	2295333	SEAL
2	3025889	CLAMP-V-BAND
8	3450888	SPACER
1	3489252	BELLOWS AS
1	3762987	SHIELD AS
1	3762988	SHIELD AS
1	5022179	BYPASS GP-EXH -A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% 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

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****Parts Stock ****

Remove all 394-2568 Wastegates from dealer parts stock.

****Affected Product****

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Replace the wastegate assembly with a 502-2179 Wastegate. Refer to the Disassembly and Assembly manual for instructions on wastegate removal and installation.

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SERVICE CLAIM ALLOWANCES

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****Parts Stock****

Submit one claim for all parts removed from dealer parts stock.

****Affected Product****

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-16000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 4.0-hour job If there has been a previous repair, part age/hours 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.

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