PRODUCT SUPPORT PROGRAM FOR REPLACING THE STABILIZER CHECK VALVE ON CERTAIN 415F2, 416F2, 420F2, AND 430F2 BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE STABILIZER CHECK VALVE ON CERTAIN 415F2, 416F2, 420F2, AND 430F2 BACKHOE LOADERS

Usage:

TEBE5705-00

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09May2017

U-259

A-175

D-206

O-211

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE STABILIZER CHECK VALVE ON CERTAIN 415F2, 416F2, 420F2, AND 430F2 BACKHOE LOADERS
5051 5067		PS53470

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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 "PS53470" 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

31May2019

PROBLEM

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The existing stabilizer 437-2890 Check Valve can allow the stabilizer to drift overnight on certain 415F2, 416F2, 420F2, and 430F2 Backhoe Loaders. If the existing stabilizer check valve is not replaced, it may allow the stabilizer cylinder rod to drift more than 10mm during a 24 hour period of inactivity.

AFFECTED PRODUCT

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Model	Identification Number
415F 2	HWA00154-00417
416F 2	HWB00153-00923 LBF01000-01200 LYA00151-00287
420F 2	HWC00152-01501 LBS00150-00188 LYB00153-00466, 468-536
420F 2 IT	HWD00154-01184 LYC00150-00341
430F 2	HWE00151-00325, 327-468 LYD00150-00184
430F 2 IT	HWG00153-00234, 236-376 LYE00151-00190

PARTS NEEDED

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Qty	Part Number	Description
2	4999323	VALVE GP-CHECK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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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Replace both of the existing check valves in the stabilizer valve with new 499-9323 Check Valve Groups. Refer to the Image1 and 2 for the location of the check valves.

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".

Refer to the Service Manual if/as necessary.

Image1:
(A) Boom lock lever
(1a) Right stabilizer lockout
(1b) Left Stabilizer lockout

Image2:
(1a) Right stabilizer lockout
(1b) Left stabilizer lockout

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Image1

Image2

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%
0-3000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%