PRODUCT SUPPORT PROGRAM FOR REWORKING THE FLOW LIMITER VALVE END PLUG ON CERTAIN 305.5E AND 306E MINI EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE FLOW LIMITER VALVE END PLUG ON CERTAIN 305.5E AND 306E MINI EXCAVATORS

Usage:

TEBE1495-02

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30May2014

(Revised 03Jun2014)

D-272

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REWORKING THE FLOW LIMITER VALVE END PLUG ON CERTAIN 305.5E AND 306E MINI EXCAVATORS
5137 5051		PS52679

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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 "PS52679" 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 30May2014 (Revised 02Jun2014) Service Letter. Changes have been made to the Rework Procedure Image and Image numbers.

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TERMINATION DATE

31May2015

PROBLEM

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The existing flow limiter valve end plug may have insufficient tightening on certain 305.5E and 306E Mini-Excavators. If the existing end plug fails, it can cause a leak on the flow limiter valve.

AFFECTED PRODUCT

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Model	Identification Number
305.5E	MX500100-00592
306E	FHL00100-01005

PARTS NEEDED

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Qty	Part Number	Description
2	3K0360	SEAL-O-RING
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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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%
0-3000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	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.

Rework Procedure

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1. Park machine on level ground with the implements lowered.

2. Release the system pressure. Refer to KENR9860, Disassembly and Assembly, "System Pressure - Release", for additional information.

3. Turn off the engine and battery isolator switch.

Refer to Image1.1.1.

Image1.1.1

4. Loosen hoses (1) and (2) and orient it away in order to access the flow limiter valve (3) and (4) as shown.

Refer to Image1.2.1.

Image1.2.1

5. Use a 5/16 inch Allen drive to unbolt end plug (5) for flow limiter valve (3) and (4) and check the O-ring (6) condition. Replace if damaged.

6. Assemble and tighten end plug (5) to a specified torque of 73.2 N.m (54 ft lbs).

7. Using a 1 inch box socket, re-check by tightening flow limiter valve (3) and (4) to a specified torque of 115.2 N.m (85 ft lbs).

Refer to Image1.3.1.

8. Tighten hoses (1) and (2).

9. Test run machine and check for leaks.

End of rework.