PRODUCT SUPPORT PROGRAM FOR REPLACING THE MOTOR MOUNT ASSEMBLY FOR THE THERMOSTATIC VALVE ON CERTAIN 793F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE MOTOR MOUNT ASSEMBLY FOR THE THERMOSTATIC VALVE ON CERTAIN 793F OFF-HIGHWAY TRUCKS

Usage:

TEBE6757-00

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06Oct2017

E500

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Containment - Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REPLACING THE MOTOR MOUNT ASSEMBLY FOR THE THERMOSTATIC VALVE ON CERTAIN 793F OFF-HIGHWAY TRUCKS
135V		PS90761

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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 Containment Program can be administered either before or after a failure occurs. In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.

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NOTE:	When reporting the repair, use "PS90761" as the Part Number and "7777" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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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TERMINATION DATE

31Oct2019

PROBLEM

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The existing thermostatic valve motor mount assembly can fail on certain 793F Off-Highway Trucks. If the existing thermostatic valve mount assembly fails it will cause unplanned downtime for repair or replacement. Expected failure modes are piston seizure, degradation of performance due to dirt/water ingress and snap ring failure.

AFFECTED PRODUCT

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Model	Identification Number
793F	SSP00394, 471, 648, 653, 672, 693, 696, 767, 841, 861, 875, 992, 998, 1065

PARTS NEEDED

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Qty	Part Number	Description
2	1188706	SEAL-O-RING
2	3998110	GASKET-MOTOR HSG
1	4940387	MOUNT AS-MOTOR
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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Replace the original thermostatic valve motor mount assembly with the new thermostatic valve motor mount assembly. Refer to Disassembly and Assembly, KENR8578 for removal and installation instructions.

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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%
0-55000 hrs, 0-94 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%