PRODUCT SUPPORT PROGRAM FOR REWORKING LOCK-UP CLUTCH (LUC) SUPPLY LINE ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING LOCK-UP CLUTCH (LUC) SUPPLY LINE ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS

Usage:

TEBE6399-00

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16Aug2017

U-421

A-288

D-346

O-352

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Before/After	PRODUCT SUPPORT PROGRAM FOR REWORKING LOCK-UP CLUTCH (LUC) SUPPLY LINE ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS
3016 3067 3154		PS45578

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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 "PS45578" 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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TERMINATION DATE

31Aug2019

PROBLEM

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The existing Lock Up Clutch (LUC) supply line may be incorrectly routed on certain 797F and 797F XQ Off-Highway Trucks. If the existing hose is routed incorrectly, it will provide unfiltered oil to the LUC valve.

AFFECTED PRODUCT

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Model	Identification Number
797F	LAJ00141-00477
797F XQ	WSP00100-00124

PARTS NEEDED

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Qty	Part Number	Description
1	6V9007	ADAPTER-ELBOW (If Required)
1	9S8010	PLUG-LD STOR (If Required)
2	2287092	SEAL-O-RING-ORFS (If Required)
1	2287096	SEAL-O-RING-STOR (If Required)
1	2385082	SEAL-O-RING-STOR (If Required)
1	4388236	HOSE AS (If Required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 22% 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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Before starting any repairs, refer to the OMM for proper maintenance procedures. Refer to the rework procedure below.

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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%
0-60000 hrs, 0-120 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 0.5-hour job
30 minutes is provided to perform the inspection. If required, an additional one hour of labor may be claimed to update the lines routing.

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PARTS DISPOSITION

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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

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Refer to the Service Manual if/as necessary.

If a 339-9705 Filter Group is installed (refer to Image1.1.1), no further action is required.

Image1.1.1

If a 193-0922 Filter Group is installed, inspect the LUC supply line. If the LUC supply line is routed as seen in Image1.2.1, no further action is required.

Image1.2.1

If the hose is routed as seen in Image1.3.1, the line must be replaced. Proceed to the rework procedure below.

Image1.3.1

Rework procedure
1. Remove the 9S-8008 Plug from the filter head (leave the larger 4S-6679 Plug installed). The removed plug and seal will not be re-used.
2. Install a 6V-9007 Adapter using a 238-5082 Seal (reference Image1.2.1 for proper orientation)
3. Disconnect the 9R-4082 Hose Assembly and remove adapter from side of filter head. The removed hose, adapter, and seals may be discarded, clipping will be reused.
4. Install a new 438-8236 Hose using existing clipping points to the newly installed adapter using (2) 228-7092 Seals.
5. Install a 9S-8010 Plug using a 228-7096 Seal on the side of the filter head.