PRODUCT SUPPORT PROGRAM FOR REPLACING THE LINE RELIEF VALVES ON CERTAIN 420E AND 430E BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE LINE RELIEF VALVES ON CERTAIN 420E AND 430E BACKHOE LOADERS

Usage:

REBE6206-03

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23Aug2010

(Revised 03Aug2011)

U-340

A-265

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE LINE RELIEF VALVES ON CERTAIN 420E AND 430E BACKHOE LOADERS
5051		PS43148

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NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43148" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "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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NOTE:	This Revised Service Letter replaces the 23Aug2010 (Revised 29Oct2010) Service Letter. Changes have been made to this Revision Note. Changes have been made to the Group 3 Parts Needed in order to add the additional 3489767/">348-9767 Relief Valve used on backhoe loaders with a 266-2558 8-bank hoe valve installed.

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TERMINATION DATE

31Aug2012

PROBLEM

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The existing relief valve needs to be replaced on certain 420E and 430E Backhoe Loaders. If the existing relief valve fails it can cause the implement to function improperly. The 3524225/">352-4225 Relief Valves are located on the (2) 269-1061 Stabilizer Valves. The 3489767/">348-9767 Relief Valve is located on the 269-1066 E-Stick Valve (if equipped) and the 269-1067 Auxiliary Valve (if equipped).

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
420E	PRA01734-01735, 1739, 1743
430E	RLN00437-00438

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*****Group 2*****
420E	PHC01055 PRA01726-01727, 1740, 1752, 1756, 1758
430E	RLN00435

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*****Group 3*****
420E	PHC01028-01041, 1043-1045, 1047-1051, 1053-1054, 1056-1057 PRA01716-01722, 1724-1725, 1729-1730, 1732-1733, 1736-1738, 1741-1742, 1744-1748, 1754-1755
430E	RLN00433-00434, 436, 439

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*****Group 4*****
420E	PHC01046 PRA01645, 1656, 1680, 1707, 1728, 1731, 1749-1750, 1761

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	3524225	VALVE GP-P RLF-A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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.
*****Group 2*****
1	3489767	VALVE GP-P RLF-A
2	3524225	VALVE GP-P RLF-A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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.
*****Group 3*****
3	3489767	VALVE GP-P RLF-A
2	3524225	VALVE GP-P RLF-A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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.
*****Group 4*****
2	3489767	VALVE GP-P RLF-A
2	3524225	VALVE GP-P RLF-A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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 the relief valve(s). Refer to the service manual. Tighten the locknut on the line relief valve to a torque of 13.5 +/- 1.5 Nm (119.49 +/- 13.28 lb in).

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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%
*****Group 1*****
0-2500 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2501-5000 hrs, 25-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 1.0-hour job for Group 1

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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%
*****Group 2*****
0-2500 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2501-5000 hrs, 25-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 1.5-hour job for Group 2

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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%
*****Group 3*****
0-2500 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2501-5000 hrs, 25-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 2.5-hour job for Group 3

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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%
*****Group 4*****
0-2500 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2501-5000 hrs, 25-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%