PRODUCT SUPPORT PROGRAM FOR REPLACING A CRACKED ALTERNATOR GUARD ON CERTAIN 12H MOTOR GRADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING A CRACKED ALTERNATOR GUARD ON CERTAIN 12H MOTOR GRADERS

Usage:

SEBE9095-01

March 5, 2005
(Revised April 2005)
U-71
A-54
D-62
O-62

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*After failure only*	PRODUCT SUPPORT PROGRAM FOR REPLACING A CRACKED ALTERNATOR GUARD ON CERTAIN 12H MOTOR GRADERS
7168		PS50938

NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS50938" as the Part number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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.

NOTE: This Revised Service Letter replaces the March 5, 2005 Service Letter. Changes have been made to the Parts Needed.

TERMINATION DATE

March 31, 2007

PROBLEM

The alternator guard on the engine of certain 12H Motor Graders may crack during normal operation. A new guard and bracket are available.

AFFECTED PRODUCT

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Model	Identification Number
12H	AMZ1-611
12H	CBK1-718
12H	12500001-Up

PARTS NEEDED

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Quantity	Part Number	Description
4	8T4121	WASHER
2	8T4133	NUT
2	8T4182	BOLT
3	8T4196	BOLT
1	8T4956	BOLT
1	2568792	GUARD AS-BEL
1	2568793	BRACKET

ACTION REQUIRED

See the attached procedure.

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
0-3000 Hours 0-Up Months	100%	2	0	0	0	0
3001-6000 Hours 0-Up Months	33.3 %	1	0	0	50 %	1
NOTE: This is a 2-hour job.

PARTS DISPOSITION

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

Attach. (1-Rework Procedure)

REWORK PROCEDURE

Remove the existing 191-6627 (Guard Assembly - Belt) and 191-5142 (Link) from the affected Motor Grader.

Install the new 256-8793 (Bracket) as shown in the photographs below.

Install the new 256-8792 (Guard Assembly-Belt) as shown in the above photographs and the depiction below. Make sure that an 8R-8088 Spacer (two included with the Guard assembly) is installed in the bore of each Guard Assembly mounting hole. This assures proper alignment and tightening of the 256-8792 Guard Assembly. Each Guard Assembly mounting bolt is inserted through an 8R-8088 Spacer, then the Guard Assembly is bolted to the new 256-8793 Bracket.

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