PRODUCT SUPPORT PROGRAM FOR REWORKING THE TANDEM BREATHER ON CERTAIN 16M MOTOR GRADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE TANDEM BREATHER ON CERTAIN 16M MOTOR GRADERS

Usage:

REBE5663-01

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01Dec2009

(Revised 22Jul2010)

U-414

A-335

D-366

O-369

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REWORKING THE TANDEM BREATHER ON CERTAIN 16M MOTOR GRADERS
4064 4062		PS42997

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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 "PS42997" 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 01Dec2009 Service Letter. Changes have been made to the Affected Product and Parts Needed. Tandem oil and tandem oil additive were added.

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TERMINATION DATE

31Dec2011

PROBLEM

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The existing breather can leak water into the tandem on certain 16M Motor Graders. If the existing breather leaks water into the tandem it can cause a high water content in oil samples.

AFFECTED PRODUCT

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Model	Identification Number
16M	B9H00100-00780

PARTS NEEDED

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Qty	Part Number	Description
2	1U9891	ADDITIVE-OIL -- NOT FOR EAME USE
2	4H6112	BREATHER AS
2	6B5072	BUSHING-REDUCING
2	0026453	ELBOW-PIPE
2	1854771	ADDITIVE-OIL -- FOR EAME USE ONLY
1	BULKOIL	TDTO Oil -- 242 LITERS (64 GAL)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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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Rework the inside rear left hand and right hand tandem cover plates in location (A) by adding a 1/2-14 NPTF port to the center of the plate.
Install a 002-5453 Elbow, 6B-5072 Bushing-Reducing, and a 4H-6112 Breather into the pipe thread port. Orient the elbow and breather to point up.
Remove the breathers on top of the tandems and plug the ports with a 7H-3171 Plug-Pipe.
Seal the tandem brake tube and manifold block bolts on top of the tandem by removing the bolts, applying loctite, and then reinstalling the bolts.

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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%
0-6000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
6001-10000 hrs, 25-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%