FLAPPER-REPLT 2809663 - Caterpillar

TERMINATION DATE
31Dec2015
PROBLEM
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
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
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
Refer to the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
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%
This is a 4.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
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.