PRODUCT SUPPORT PROGRAM FOR REPLACING THE SPROCKET BOLTS ON CERTAIN 330D, 336D, AND 336E EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SPROCKET BOLTS ON CERTAIN 330D, 336D, AND 336E EXCAVATORS

Usage:

TEBE0504-04

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03Dec2013

(Revised 20Nov2015)

U-598

A-411

D-489

O-499

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE SPROCKET BOLTS ON CERTAIN 330D, 336D, AND 336E EXCAVATORS
4164		PS44106

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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 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 "PS44106" 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 03Dec2013 (Revised 10Apr2014) Service Letter. Changes have been made to the tightening specification in the Rework Procedure.

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TERMINATION DATE

31Dec2015

PROBLEM

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The existing sprocket bolts can loosen and fail on certain 330D, 336D, and 336E Excavators. If the existing bolts fail, it can result in damage to the drive sprocket and drive gear case.

AFFECTED PRODUCT

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Model	Identification Number
330D MH FCR	LEM00282-00287, 289-296
330D MH HCR	C5K00249-00259
336D 2L	ZCT00161-00305, 307-313
336D L	J2F00519-01099 M4T01906-02869 MDS00312-00472 ZML00454-00556
336E L	FJH00151-00370, 372-643 JRJ00201-00225, 227-265, 267-271, 273-301 YCE00248-00249, 251-575
336E LN	TMZ00253-00324

PARTS NEEDED

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Qty	Part Number	Description
32	8T0380	BOLT-HEX HEAD
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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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%
0-4000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 4.0-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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1. Degrease the new 8T-0380 Bolts before assembling. Use a suitable solvent/degreaser.

2. Remove and replace the existing 7X-2575 Sprocket Bolts with new 8T-0380 Bolts, one at a time, in an alternating sequence.

Note: When removing the bolts clean out the housing thread and the assembly face.

3. Apply Loctite 243 to the bolt thread before installing.

4. Tighten each bolt to a specified torque of 900 +/- 100 N.m.