PRODUCT SUPPORT PROGRAM FOR REPLACING THE PIN ASSEMBLIES ON CERTAIN 330D AND 336D EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PIN ASSEMBLIES ON CERTAIN 330D AND 336D EXCAVATORS

Usage:

REBE4654-00

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21Nov2008

U-592

A-492

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE PIN ASSEMBLIES ON CERTAIN 330D AND 336D EXCAVATORS
6502 6501		PS42839

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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 "PS42839" 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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TERMINATION DATE

30Nov2010

PROBLEM

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The pin assemblies on certain 330D and 336D Excavators may have been incorrectly manufactured. This incorrect operation may lead to failure of the pin assembly. The affected machines will need to be inspected for the incorrectly manufactured pin assemblies. Pin assemblies found to be incorrectly manufactured will need to be replaced with a new pin assembly.

AFFECTED PRODUCT

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Model	Identification Number
330D L	MWP03355-03385
336D L	J2F00151-00170 W3K00201-00250, 252-263, 266

PARTS NEEDED

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Qty	Part Number	Description
1	5I3299	Pin Assembly - See Note in Action Required
2	1132963	Pin Assembly - See Note in Action Required
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 22% 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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Inspect the affected pin assemblies and replace if necessary. Refer to the attached Rework Procedure.

NOTE: Depending on the inspection results, the completion of this repair may require up to two (2) 113-2963 Pin Assemblies and/or one (1) 5I-3299 Pin Assembly. Only order parts that are required for replacement.

NOTE: Pin assemblies in Caterpillar parts or dealer inventory are not affected by this issue. This issue only applies to the pin assemblies installed at the factory on the affected product.

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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%
0-2000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-4000 hrs, 13-24 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 1.0-hour job
NOTE: 1 additional hour of labor will be allowed if 2 defective pins are found. NOTE: 2 additional hours of labor will be allowed if 3 defective pins are found.

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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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Prior to starting any work on the machine, please review, understand and adhere to all safety and environmental warnings in the appropriate disassembly and assembly manual.

Inspection Procedure:

1. Incorrectly manufactured pin assemblies can be identified by a resistance weld to the pin flag. Correctly manufactured pin assemblies are inertia welded to the pin flag.

The picture below is of an incorrectly manufactured pin with resistance weld.

Image1.2.1

The picture below is of a correctly manufactured pin with inertia weld.

Image1.3.1

2. Inspect pin assemblies at location PT-3, PT-5, and PT-6.

Image1.4.1

Pin Replacement Procedure:

1.Remove the suspect pin assembly and install new pin assembly for PT-3 and PT-5. For more information, refer to Disassembly and Assembly instructions, RENR8648, for "Stick Cylinder - Remove and Install".

2. Remove the suspect pin assembly and install new pin assembly for PT-6. For more information, refer to Disassembly and Assembly instructions, RENR8648, for "Bucket Cylinder - Remove and Install".