PRODUCT SUPPORT PROGRAM FOR REPLACING THE HYDRAULIC TANK FILTER SEAL ON CERTAIN 301.7D, 302.2D, AND 302.4D MINI HYDRAULIC EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HYDRAULIC TANK FILTER SEAL ON CERTAIN 301.7D, 302.2D, AND 302.4D MINI HYDRAULIC EXCAVATORS

Usage:

TEBE0407-01

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21Nov2013

(Revised 22Nov2013)

U-572

D-468

O-478

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE HYDRAULIC TANK FILTER SEAL ON CERTAIN 301.7D, 302.2D, AND 302.4D MINI HYDRAULIC EXCAVATORS
7555 5056 4332 7479 5068		PS52562

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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 "PS52562" 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 Caterpillar product analyst.

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NOTE:	This Revised Service Letter replaces the 21Nov2013 Service Letter. Changes have been made to the Rework Procedure Images.

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TERMINATION DATE

30Nov2015

PROBLEM

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The existing hydraulic tank seal can fail on certain 301.7D, 302.2D, and 302.4D Mini Hydraulic Excavators. If the existing seal fails it may create a hydraulic leak and require replacement.

AFFECTED PRODUCT

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Model	Identification Number
301.7D	LJH00151-00153, 155-620, 622-671, 673-823, 826-841, 843-968, 970, 974-975, 978
302.2D	LJG00151, 153-247, 249-258
302.4D	LJN00151-00153, 155-468, 471-546, 548-571

PARTS NEEDED

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Qty	Part Number	Description
1	4502440	KIT-FILTER SEAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-2400 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 1.0-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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1. Remove 397-2577 Hose (3) from the 399-2946 Filter Assembly. Refer to Image1.1.1.

Image1.1.1

2. Loosen and remove the fasteners securing the 399-2946 Filter Assembly (22) to the 399-2948 Hydraulic Tank (1). Remove the filter assembly along with the old seal, plate, and O-ring seal. Refer to Image1.2.1.

Note: The 399-2946 Filter Assembly will be reused. The hardware, seal, plate, and O-ring will be replaced with components in the 450-2440 Filter Seal Kit. Refer to Image1.3.1.

Image1.2.1

3. Install the new 2M-2561 O-Ring Seal (6) into the groove in the new 450-2438 Plate (5). Slide new 450-2437 Seal (4) along with the plate and O-ring assembly over the filter assembly. Refer to Image1.3.1.

4. Install the filter assembly and new seal kit components into the the hydraulic tank. Install 7X-2537 Bolt (1), 372-1078 Washer (2), and 8T-4224 Washer (3) and tighten to a specified torque of 20 N.m. Refer to Image1.3.1.