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PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING 1J4757 BEARINGS IN DEALER PARTS STOCK Caterpillar


PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING 1J4757 BEARINGS IN DEALER PARTS STOCK

Usage:

REBE5616-00

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25Nov2009


U-407
A-329
D-359
O-362

 
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Parts stock action only
  
  

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING 1J4757 BEARINGS IN DEALER PARTS STOCK
7750
PI70327
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NOTE:

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the 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
28Feb2010

PROBLEM

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Certain 1J4757 Bearings need to be removed from dealer parts stock. These 1J4757 Bearings may be non-conforming to specification which can result in early hour failures or reduced life of the bearing.

ACTION REQUIRED

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Inspect all existing 1J4757 Bearings in dealer parts stock for a 2008 date code. To determine which bearings have a 2008 date code check the two-letter code stamped on the end of the bearing race. 1J4757 Bearings with a 2008 date code can be identified by an "N" as the second digit in the code. An example of a date code with the second digit of "N" would be "KN". Remove all existing 1J4757 Bearings from dealer parts stock with a 2008 date code where the second digit is an "N".
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SERVICE CLAIM ALLOWANCES

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Submit one claim for all parts removed from dealer parts stock.

PARTS DISPOSITION

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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
 
 
 

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