PRODUCT IMPROVEMENT PROGRAM FOR RESETTING THE SLAVE LASH ON CERTAIN C-15 TRUCK ENGINES EQUIPPED WITH 340D JACOBS BRAKES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR RESETTING THE SLAVE LASH ON CERTAIN C-15 TRUCK ENGINES EQUIPPED WITH 340D JACOBS BRAKES

Usage:

SEBE8521

October 1, 2003
U-265
A-187
D-195
O-225
TT-22

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR RESETTING THE SLAVE LASH ON CERTAIN C-15 TRUCK ENGINES EQUIPPED WITH 340D JACOBS BRAKES
1102		PI30553

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30553" as the Part number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI30553" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "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.

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COMPLETION DATE	TERMINATION DATE
March 31, 2004	October 31, 2004

PROBLEM

The slave lash needs to be reset on certain C-15 truck engines equipped with 340D Jacobs brakes. Some engines were built with a slave lash setting that may lead to broken exhaust rocker arms resulting in increased noise and loss of power.

AFFECTED PRODUCT

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Model	Identification Number
C-15	MBN8077-22118

PARTS NEEDED

No parts needed.

ACTION REQUIRED

Adjust valve lash, (both inlet and exhaust) injector height, and compression brake per normal procedure specified in the engine service manual. The proper lash setting for a 340D brake on a MBN engine is 0.76 +/- 0.08 mm (0.030 +/- 0.003 inch).

OWNER NOTIFICATION

U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
100%	1.8	0	0	0	0
NOTE: This is a 1.8-hour job. NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report

PARTS DISPOSITION

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach. (1-Owner Notification)

COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR RESETTING THE SLAVE LASH

MODELS INVOLVED - CERTAIN C-15 TRUCK ENGINES EQUIPPED WITH 340D JACOBS BRAKES

Dear Caterpillar Product Owner:

The slave lash needs to be reset on the products listed below. Certain C-15 engines were built with a slave lash setting that may lead to broken exhaust rocker arms resulting in increased noise and loss of power. You will not be charged for the service performed.

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated October 1, 2003 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)