PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HIGH PRESSURE TURBOCHARGER ON CERTAIN C15 TRUCK ENGINES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HIGH PRESSURE TURBOCHARGER ON CERTAIN C15 TRUCK ENGINES

Usage:

REBE2069-00

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13Aug2007

TT-24

U-395

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HIGH PRESSURE TURBOCHARGER ON CERTAIN C15 TRUCK ENGINES
1053 1052		PI31326

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31326" 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 "PI31326" as the Part Number, "7751" as the Group Number, "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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COMPLETION DATE	TERMINATION DATE
29Feb2008	31Aug2008

PROBLEM

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The high pressure turbocharger needs to be replaced on certain C15 600hp and 625hp engines. The engines were built with the incorrect turbocharger which does not allow the engine to create the expected boost (approximately 50 PSI).

AFFECTED PRODUCT

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Model	Identification Number
C15	MXS22687, 35392, 45414, 48665, 48786, 52560, 53365, 57267, 60512, 66019, 67079, 73837, 74742, 77265, 81487, 83384, 84211, 92320, 93234, 95573-95574, 97622-97623 NXS02125, 2485-2486, 6380, 9771, 10763, 14488, 14730, 18601, 18895, 22538, 28509, 30520, 30835

PARTS NEEDED

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Qty	Part Number	Description
1	10R3284	TURBO GP-BASIC
4	1687800	LOCKNUT HEX
1	2338014	SEAL
1	2338015	RING-BACKUP
4	2384665	STUD-TAPERLOCK
1	2746851	GASKET-TURBO

ACTION REQUIRED

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1. Check the part number on the high pressure turbocharger.
2. If the part number is 269-4178 or 10R3284, no other action is required.
3. If the turbocharger is not one of these part numbers, follow the procedure in Disassembly and Assembly Guide, RENR9403. Remove the original high pressure turbocharger and replace with a 10R3284 high pressure turbocharger.
4. Replace studs and nuts.
5. Replace gasket, seal, and backup ring.

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OWNER NOTIFICATION

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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%	100%	0%	0%	0%	0%

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NOTE: This is a 4.3-hour job
Description_______SMCS Code__ Hours R & I Turbo______ 105H-010_____3.9 hrs Test after repair_1053-010_____0.4 hrs

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PARTS DISPOSITION

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

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

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HIGH PRESSURE TURBOCHARGER ON CERTAIN C15 TRUCK ENGINES

MODELS INVOLVED - Certain C15 MXS and NXS truck engines

Dear Caterpillar Product Owner:

The production turbocharger may need to be replaced on the engine listed below. The existing turbocharger may not produce the expected boost (up to 50 PSI). 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 13Aug2007 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)

Attached to 13Aug2007 Service Letter