PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE COOLING HOSE POSITION ON CERTAIN 793D OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE COOLING HOSE POSITION ON CERTAIN 793D OFF-HIGHWAY TRUCKS

Usage:

TEBE8103-01

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10Aug2018

(Revised 06Nov2018)

D-420

O-422

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Before/After	PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE COOLING HOSE POSITION ON CERTAIN 793D OFF-HIGHWAY TRUCKS
4257		PS45977

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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 "PS45977" 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 10Aug2018 Service Letter. Changes have been made to the Affected Product.

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TERMINATION DATE

28Feb2019

PROBLEM

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The existing front brake cooling lines can be positioned incorrectly on certain 793D Off-Highway Trucks. If the existing brake cooling lines were assembled in the incorrect position it can lead to shorter service life and unplanned down time.

AFFECTED PRODUCT

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Model	Identification Number
793D	FDB01856-01953, 1956-1957, 1960-1967

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Note: Ensure that all safety information, warnings, and instructions are read and understood before any operation or any maintenance procedures are performed. Refer to the Operation and Maintenance Manual "Safety Section".

Refer to the Service Manual if/as necessary.

1. Determine the part numbers and positions of the front brake cooling hose that connect the wheel group to the chassis.

2. Confirm if the part number positions at the right front wheel group match Image 1.

3. Confirm if the part number positions at the left front wheel group match Image 2.

4. If the part numbers match no action is necessary. If the part numbers do not match then reposition the lines as necessary.

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Image1

Image2

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%
0-6000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%