PRODUCT SUPPORT PROGRAM FOR REPLACING THE HIGH PRESSURE FUEL PUMP ON CERTAIN 793F AND 797F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HIGH PRESSURE FUEL PUMP ON CERTAIN 793F AND 797F OFF-HIGHWAY TRUCKS

Usage:

TEBE6724-05

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28Sep2017

(Revised 16Nov2018)

U-511

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE HIGH PRESSURE FUEL PUMP ON CERTAIN 793F AND 797F OFF-HIGHWAY TRUCKS
1256 1251		PS45616

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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 "PS45616" 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:

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 28Sep2017 (Revised 07Aug2018) Service Letter. Changes have been made to the Action Required.

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TERMINATION DATE

31Dec2019

PROBLEM

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The high pressure fuel pump can fail causing damage to the engine on certain 793F and 797F Off-Highway Trucks. The latest version of engine software can predict pump failure by activating the 1684-12 diagnostic code for high pressure fuel pump failure.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
793F	D3T00142-00160

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*****Group 2*****
797F	LTZ00140-00141

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	3P1156	SEAL-O-RING
2	2385080	SEAL-O-RING-STOR
1	2385081	SEAL-O-RING-STOR
1	3303517	SEAL-O-RING
1	3552701	SENSOR GP-PRESS
1	4913757	PUMP GP-FUEL
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 only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
*****Group 2*****
2	3P1156	SEAL-O-RING
2	2385080	SEAL-O-RING-STOR
1	2385081	SEAL-O-RING-STOR
1	3303517	SEAL-O-RING
1	3552701	SENSOR GP-PRESS
1	4913758	PUMP GP-FUEL
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 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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Refer to the service manual if/as necessary.

Replace the high pressure fuel pump every 2000 hours, or if the pump fails, or trips the 1684-12 code.

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SERVICE CLAIM ALLOWANCES

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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%
*****Group 1*****
0-24000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 8.0-hour job for Group 1 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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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%
*****Group 2*****
0-24000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 8.0-hour job for Group 2 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.

PARTS DISPOSITION

Hold all 491-3757 and 491-3758 High Pressure Fuel Pumps for a Parts Return Request (PRR). A Parts Return Request (PRR) will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program number on the packing slip and include the closed work order paperwork. Failure to provide the requested information and/or the failed high pressure fuel pump could result in a claim being debited or rejected.