PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE SWING CYLINDER GROUP ON CERTAIN 424B BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE SWING CYLINDER GROUP ON CERTAIN 424B BACKHOE LOADERS

Usage:

TEBE5553-00

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28Nov2016

D-518

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE SWING CYLINDER GROUP ON CERTAIN 424B BACKHOE LOADERS
5105		PS53350

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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 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 "PS53350" 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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TERMINATION DATE

31May2018

PROBLEM

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The existing 454-0383 and 454-0402 Tube Assemblies of the swing cylinders may fail at the trunnion near the weld joint, and weld joint near the drain plug, which can lead to an oil leak on certain 424B Backhoe Loaders. If the existing tube assembly fails, it can be replaced with the improved 4174783/">417-4783 Swing Cylinder Group.

AFFECTED PRODUCT

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Model	Identification Number
424B	JRN01000-01100, 1102-3024
424B HD	JRY01000-01234

PARTS NEEDED

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Qty	Part Number	Description
1	4174783	CYL GP-0090-0249
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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IMPORTANT: Dealers must use this program with proper judgment and Field Service Technical Rep approval is required for this Service Letter program to be completed and before parts are ordered.

Note: Ensure that all safety information, warnings, and instructions are read and understood before any operation or any maintenance procedures are performed. Refer to the Operation and Maintenance Manual "Safety Section".

1. In the case of a weld joint crack in the swing cylinder tube, replace with an improved 4174783/">417-4783 Swing Cylinder Group. Refer to UENR5305, Disassembly and Assembly, procedures for swing cylinder replacement.

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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%
0-5000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.5-hour job
Note: A maximum of 5 liters of hydraulic oil is allowed for oil lost during cylinder replacement. Note: Dealers can replace only the failed swing cylinder in a specific machine, not both swing cylinders. Note: Dealers must attach a detailed failure analysis report including the cylinder part number, serial number, and clear failure images along with the claim.

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