PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE FUEL LINES ON CERTAIN 3508B AND 3508C LOCOMOTIVE ENGINES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE FUEL LINES ON CERTAIN 3508B AND 3508C LOCOMOTIVE ENGINES

Usage:

REBE9400-02

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20Feb2013

(Revised 20May2013)

U-61

A-48

D-56

O-59

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE FUEL LINES ON CERTAIN 3508B AND 3508C LOCOMOTIVE ENGINES
1252 1254		PI10917

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10917" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code.
Exception: If the repair is done after failure, use "PI10917" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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NOTE:	This Revised Service Letter replaces the 20Feb2013 (Revised 04Mar2013) Service Letter. Changes have been made to Affected Product, Parts Needed, and Action Required.

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PROBLEM

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Some engines have experienced fuel leaks at the connections to the fuel manifold. This change improves the reliability and durability of the fuel system by reducing the stress at these connection points.

AFFECTED PRODUCT

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Model	Identification Number
3508B	5PS00208-00816 C8R00100-00160
3508C	F1X00100-00208

PARTS NEEDED

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Qty	Part Number	Description
1	0L1143	BOLT
1	0L2070	BOLT
1	0S1608	BOLT
1	0T0055	BOLT
8	4P0692	CLAMP AS
4	5M2894	WASHER-HARD
4	6V8626	ADAPTER-ELBOW
1	6V8783	ADAPTER-TEE
1	6V9003	ADAPTER-ELBOW
1	6V9845	ADAPTER-TEE
3	6V9852	ADAPTER-ELBOW
1	8S9191	BOLT
4	8T1897	CLIP
4	8T1898	CLIP
1	9S8752	NUT-FULL
2	9X6458	WASHER-HARD
1	0307982	UNION-FLARED
1	1747088	HOSE AS
2	1790469	SPACER
12	2287091	SEAL-O-RING-ORS
5	2385081	SEAL-O-RING-STOR
4	3537952	GROMMET
1	4243584	HOSE AS-FUEL (see Action Required)
1	4243585	HOSE AS-FUEL (see Action Required)
1	4243586	HOSE AS-FUEL (see Action Required)
1	4287378	TUBE AS-FUEL - LH Fuel Only
1	4326562	TUBE AS-FUEL - Duplex Fuel Only
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% 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 Hydraulic Information System (HIS) to build the hose assemblies that are listed in the Parts Needed.

Refer to Image 4 through Image 8 below for the appropriate lines group on the affected engine being reworked.

1. Remove 111-3388, 111-3389, and 8N-6327 Tube Assemblies from 101-1246 Lines Group 101-1246. Remove clamps, brackets and associated hardware used for the mounting of the tube assemblies. Refer to Image 1.

2. Replace existing rigid fuel lines with new flex lines consistent with the Parts Needed. Refer to Image 2.

3. Ensure that all flexible fuel lines are securely mounted. The new flexible fuel lines should not rub or contact other lines or components. Refer to Image 3.

4. Operate the engine after completion and check for leaks and repair as necessary.

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Image1

Image2

Image3

Image4

Image5

Image6

Image7

Image8

OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada
Australia
New Zealand

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

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NOTE: This is a 4.0-hour job

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PARTS DISPOSITION

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FUEL LINES ON CERTAIN 3508B AND 3508C LOCOMOTIVE ENGINES

MODELS INVOLVED - 3508B, 3508C

Dear Cat Product Owner;

The fuel tubes listed needs to be Replaced on the products listed below. The existing fuel tubes may leak due to a stress failure which could, in conjunction with other factors or circumstances, result in a risk of personal injury or death. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated.

You may now search for open Safety Service Letters by entering your product serial number(s). Visit the SAFETY.CAT.COM website and click on the Product Safety page for more information.

Please refer the dealer to their Service Letter dated 20Feb2013 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.

Caterpillar Inc.

Identification #(s)

Attached to 20Feb2013 Service Letter