PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED 194-0115 TUBES ON CERTAIN 330D L HYDRAULIC EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED 194-0115 TUBES ON CERTAIN 330D L HYDRAULIC EXCAVATORS [REBE3177]

HYDRAULIC SYSTEM

LINES GP-FRONT

PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED 194-0115 TUBES ON CERTAIN 330D L HYDRAULIC EXCAVATORS

REBE3177-00

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18Dec2007

U-666

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED 194-0115 TUBES ON CERTAIN 330D L HYDRAULIC EXCAVATORS
5057		PS51422

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NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51422" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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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TERMINATION DATE

31Dec2009

PROBLEM

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Certain 330D L Hydraulic Excavators may experience leaking tubes attached to the main control valve and need to be replaced. The existing tubes may have defective welds that join the tube to the fitting. If leaking tubes need to be replaced, follow the attached Rework Procedure.

AFFECTED PRODUCT

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Model	Identification Number
330D L	MWP01683-01686, 1688-1723, 1725-1726, 1728, 1730, 1732

PARTS NEEDED

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Qty	Part Number	Description
2	1P3703	SEAL-RECTANGULAR
2	4J5267	SEAL-O-RING
4	6V0400	FLANGE-HALF
8	8T4223	WASHER-HARD
8	1017397	BOLT-HEX SOCKET
8	1017404	BOLT-SOCKET HEAD
2	1940115	TUBE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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 attached Rework Procedure.

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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%
0-2000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	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.

Rework Procedure

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Before service is performed on the hydraulic circuit, release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release" RENR8648.

1. Open the engine hood.

Image1.1.1

2. Remove bolts (4) from the 256-1897 Main Valve Cover.
3. Remove the 256-1897 Main Control Valve Cover.

Image1.2.1

4. Disconnect 087-4932 Hose Assembly from the 194-0115 Tube Assembly.
5. Disconnect 087-4935 Hose Assembly from the 194-0115 Tube Assembly.

Image1.3.1

6. Remove old 194-0115 Tube Assemblies (2) from the main control valve.

Image1.4.1

7. Install new 194-0115 Tube Assemblies (2) to the main control valve.
8. Insert new 4J-5267 Seal in both new 194-0115 Tube Assemblies.
9. Reconnect 087-4932 Hose Assembly to the 194-0115 Tube Assembly.
10. Reconnect 087-4935 Hose Assembly to the 194-0115 Tube Assembly.

Image1.5.1

11. Start the engine.
12. Check for leaks.
13. Extend and retract the bucket cylinder to ensure that the hydraulic circuit is functioning properly.
14. Stop the engine.
15. Reattach main control valve cover.
16. Close the engine hood.