PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLLY REMOVING CERTAIN 3E-7848 AND 9W-2126 RELAY MODULES FROM DEALER PARTS STOCK Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLLY REMOVING CERTAIN 3E-7848 AND 9W-2126 RELAY MODULES FROM DEALER PARTS STOCK

Usage:

REBE5114-00

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05May2009

U-175

A-152

D-147

O-155

TT-23

TM-15

TA-8

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*Parts stock action only*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLLY REMOVING CERTAIN 3E-7848 AND 9W-2126 RELAY MODULES FROM DEALER PARTS STOCK
7750		PI70303

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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

31Aug2009

PROBLEM

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Certain 3E-7848 and 9W-2126 relay modules have the ribbon connector installed incorrectly from the supplier.

ACTION REQUIRED

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Inspect the ribbon cable connector that is installed on the relay circuit board.

There are two notches(1) on the relay board connector to ensure proper polarity of the mating ribbon cable. The two notches(1) should be facing towards the center of the circuit board as shown in Image 1.

- If the two notches are facing the center of the circuit board as shown in Image 1, repackage the relay module in the original packaging and return to dealer parts stock.
- If the two notches(1) are facing away from the center of the circuit board, towards the metal housing of the relay module, remove the part from dealer parts stock.

Suspect serial numbers(2) for the 3E-7848 relay module begin with:
66769-00XX
71691-00XX
72019-00XX

Suspect serial numbers(2)for the 9W-2126 relay module begin with:
62227-00XX
62228-00XX

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Image1

SERVICE CLAIM ALLOWANCES

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

PARTS DISPOSITION

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Outside NACD:

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

Within NACD:

Return all relay modules removed from stock to:

Caterpillar Inc.
Attn:PI7XXXX
Service Claims Room
8201 N. University
Peoria, IL 61615

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