PRODUCT SUPPORT PROGRAM FOR TIGHTENING THE TIGHTENER BOLTS ON THE FAN DRIVE BELT TIGHTENER ON CERTAIN 785 AND 789 OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR TIGHTENING THE TIGHTENER BOLTS ON THE FAN DRIVE BELT TIGHTENER ON CERTAIN 785 AND 789 OFF-HIGHWAY TRUCKS [UEBE0614]

BASIC ENGINE

BELT TIGHTENER GP

PRODUCT SUPPORT PROGRAM FOR TIGHTENING THE TIGHTENER BOLTS ON THE FAN DRIVE BELT TIGHTENER ON CERTAIN 785 AND 789 OFF-HIGHWAY TRUCKS

UEBE0614-01

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16Apr2020

(Revised 21Apr2020)

U-201

A-157

D-187

O-187

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Before/After	PRODUCT SUPPORT PROGRAM FOR TIGHTENING THE TIGHTENER BOLTS ON THE FAN DRIVE BELT TIGHTENER ON CERTAIN 785 AND 789 OFF-HIGHWAY TRUCKS
1359 1358		PS46637

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NOTE:

AVSpare’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 AVSpare.

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 "PS46637" 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 AVSpare product analyst.

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NOTE:	This Revised Service Letter replaces the 16Apr2020 Service Letter. Various changes have been made to remove Group 2.

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TERMINATION DATE

30Apr2022

PROBLEM

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The existing tightener bolts on the fan drive belt tightener may be loose on certain 785 and 789 Off-Highway Trucks. If the bolts are not tightened to the proper torque it may result in damage to, or failure of, the tightener arm.

AFFECTED PRODUCT

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Model	Identification Number
785D	MSY00752-00865
785D OEM	DMC00195
789D	SPD00763-00861, 868-892
789D XQ	SHH00320-00322

PARTS NEEDED

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Qty	Part Number	Description
2	1653933	BOLT-HEX HEAD
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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.
Inspect the machine and ensure the bolts are tightened to the proper torque. Ensure proper grease amount is present on the bearings. Torque values can vary by model and version.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	AVSpare		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-7000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%