PRODUCT SUPPORT PROGRAM FOR REWORKING THE MUFFLER MOUNTING GROUP ON CERTAIN 308E MINI HYDRAULIC EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE MUFFLER MOUNTING GROUP ON CERTAIN 308E MINI HYDRAULIC EXCAVATORS

Usage:

REBE9683-00

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11Jun2013

D-213

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REWORKING THE MUFFLER MOUNTING GROUP ON CERTAIN 308E MINI HYDRAULIC EXCAVATORS
1062		PS43930

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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 "PS43930" 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

30Jun2015

PROBLEM

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The existing muffler can fail if the bracket vibrates at a particular engine RPM on certain 308E Mini Hydraulic Excavators. This may cause the bracket to break or the pipe to damage the muffler.

AFFECTED PRODUCT

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Model	Identification Number
308E CR	HAM00102-00170, 172-173 HEL00202-00271, 273-274 JSN00104-00125

PARTS NEEDED

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Qty	Part Number	Description
8	7X7729	WASHER-HARD
8	8T4196	BOLT-HEX HEAD
1	4159802	MUFFLER AS (After Failure Only)
1	4391625	PLATE
1	4391626	BRACKET AS
1	4391627	BRACKET AS
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 existing muffler mounting brackets and add a new plate in order to improve the engine vibrations at the muffler. 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%
0-2000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 1.0-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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Removal of Existing Muffler Brackets

1. Remove eight 8T-4136 Bolts and eight 7X-7729 Washers. Remove the existing two brackets. Refer to Image1.1.1, 1.1.2, 1.1.3, and 1.1.4.

Note: Muffler disassembly from the engine is not required.

Image1.1.1

Image1.1.2

Image1.1.3

Image1.1.4

Installation of New Brackets

1. Install a 439-1626 Bracket Assembly and 439-1627 Bracket Assembly temporarily on the flywheel cover. Install four 8T-4196 Bolts and four 7X-7729 Washers. Refer to Image1.2.1 and 1.2.2.

Note: Do NOT tighten the bolts.