PRODUCT IMPROVEMENT PROGRAM FOR RE-TIGHTENING THE 292-7595 OR 292-7590 TUBE ASSEMBLY ON CERTAIN 319D L AND 319D LN EXCAVATORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR RE-TIGHTENING THE 292-7595 OR 292-7590 TUBE ASSEMBLY ON CERTAIN 319D L AND 319D LN EXCAVATORS

Usage:

REBE4630-00

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19Nov2008

U-584

A-487

O-538

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR RE-TIGHTENING THE 292-7595 OR 292-7590 TUBE ASSEMBLY ON CERTAIN 319D L AND 319D LN EXCAVATORS
5057		PI31578

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31578" 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 "PI31578" 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:

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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COMPLETION DATE	TERMINATION DATE
31May2009	30Nov2009

PROBLEM

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The 292-7595 or 292-7590 Tube Assembly needs to be loosened and re-tightened on certain 319DL and 319D LN Excavators. The existing tube assembly can be misaligned on the 148-8335 Connector Assembly on the main valve causing a leak of hydraulic oil between the connector and the tube.

AFFECTED PRODUCT

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Model	Identification Number
319D LC	BZH00159-00160, 170-171, 173-175, 178-179, 181, 183, 185-188, 193, 196-197, 201-202, 204-205, 215, 218, 220-221, 225-227, 232-233, 235, 237, 243, 247-248, 251, 254-255, 257, 259, 264, 268, 270, 275, 283, 286
319D LN	DAY00172-00177, 181, 183-185, 187-189, 192, 194-196

PARTS NEEDED

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Qty	Part Number	Description
1	5K9090	SEAL-O RING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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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1) Disassemble the tube from the 148-8335 Connector Assembly on the main valve.
2) Loosen the front and lateral clamps so that the tube is totally free of constraint.
3) Replace the 5K-9090 Seal-O-Ring in the 148-8335 Connector Assembly.
4) Hand screw the tube onto the 148-8335 Connector Assembly on the main valve.
5) Tighten the tube on the connector assembly to a torque of 190+/-20 Nm.
6) Only after step (5), tighten the front clamp to a torque of 34 +/-4 Nm.
7) Only after step (6), tighten the lateral clamp to a torque of 100 +/-20 Nm.

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Image1

OWNER NOTIFICATION

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U.S. and Canadian owners will receive the attached Owner Notification.

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 0.5-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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COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR RE-TIGHTENING THE 292-7595 OR 292-7590 TUBE ASSEMBLY

MODELS INVOLVED - 319D L AND 319D LN EXCAVATORS

Dear Caterpillar Product Owner:

The 292-7595 or 292-7590 Tube Assembly needs to be loosened and re-tightened on the products listed below. The existing tube assembly can be misaligned on the 148-8335 Connector Assembly on the main valve causing a leak of hydraulic oil between the connector and the tube. You will not be charged for the service performed.

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

Please refer the dealer to their Service Letter dated 19Nov2008 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 19Nov2008 Service Letter