PRODUCT IMPROVEMENT PROGRAM FOR TIGHTENING THE DAMPER ADAPTOR BOLTS ON CERTAIN 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, C27, C32 ENGINES 773E OFF HIGHWAY TRUCKS, AND D10T, D9R TRACK TYPE TRACTORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR TIGHTENING THE DAMPER ADAPTOR BOLTS ON CERTAIN 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, C27, C32 ENGINES 773E OFF HIGHWAY TRUCKS, AND D10T, D9R TRACK TYPE TRACTORS

Usage:

SEBE9594-01

June 3, 2006
(Revised June 2006)
U-152
A-118
D-117
O-132

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR TIGHTENING THE DAMPER ADAPTOR BOLTS ON CERTAIN 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, C27, C32 ENGINES 773E OFF HIGHWAY TRUCKS, AND D10T, D9R TRACK TYPE TRACTORS
1205		PI30958

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30958" 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 "PI30958" 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.

NOTE: This Revised Service Letter replaces the June 3, 2006 Service Letter. Changes have been made to the Title, Affected Product, Service Claims Allowance, and the Customer Notification Letter.

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COMPLETION DATE	TERMINATION DATE
December 31, 2006	June 30, 2007

PROBLEM

The damper adapter bolts may not have been tightened properly.

AFFECTED PRODUCT

****Group 1****

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Model	Identification Number
3408		99U12461, 12465-12466
3412		38S23928, 23943-23944, 23954, 23979 7BL2449-2451, 2453
3412D		REA2408-2409, 2419
3412E		9KS4285
C32		RXB2561, 2763-2764, 2766
D9R		WDM382-383, 390-391, 396-397, 401

****Group 2****

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Model	Identification Number
3408C	1TS3108-3109, 3115-3116, 3118, 3122 78Z8175-8176 TAM320, 323, 325-326, 328-329, 331-332
3412	38S23933, 23947-23948, 23951-23953, 23955-23960, 23962, 23969-23970, 23972-23974, 23976, 23983, 23986, 23999
3412C	4BZ7856, 7861, 8294-8295 9BR3227 9EP3813-3815, 3835, 3839, 3841 BCW1014-1015, 1017, 1019-1031, 1033, 1042 DJN895-896, 901, 907, 909-910, 912-913, 915-917, 919, 921-926, 928-932, 944 TFT504, 506-508, 510, 512, 515-517, 519-520, 545 RLR310
3412E	4CR4041, 4044 BDT4741-4750, 4756-4758, 4761-4762, 4765-4768, 4771-4772, 4774, 4780, 4786, 4816, 4834
773E	BDA1096, 1099, 1112, 1115, 1139
D10T	RJG531, 537-538, 540, 542-543, 545, 547, 551-555, 559, 561-564, 591, 606, 648

****Group 3****

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Model	Identification Number
3408 (988) 2W0988	4844976, 44986, 44991
3408 (988) 4P4988	48W44988-44990

****Group 4****

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Model	Identification Number
3408E (657) 1496376	99C9853
3412E (773) 2567544	5JJ4184
3412E (775) 1314878	80M8115
C27 (D10) 2122737	EHX2584

PARTS NEEDED

No parts are needed.

ACTION REQUIRED

Group 1 & Group 3
Torque the damper adapter bolts to 215 +/- 40 n/m.
Note: In D9 applications, the belly guard will need to be removed.

Group 2 & Group 4
Loosen and remove the crankshaft pulley V belts. Remove the crankshaft pulley to gain access to the damper adapter bolts. Torque the bolts to 215 +/- 40 n/m.
Note: In D9 & D10 applications, the belly guard will need to be removed.

Illustration 1

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%	100%	0	0	0	0
NOTE: Group 1: This is a 1.0 hour job. In D9 applications, this is a 4.0 hour job. NOTE: Group 2: Without V Belts installed, this is a 1.0 hour job. With V Belts installed, this is a 2.0 hour job. In 773 applications, this is a 3.0 hour job. In D10 applications, this is a 6 hour job. Note: If Group 1 or Group 2 Engines have been installed in an enclosure or other limited access application, additional labor hours must be justified. NOTE: Group 3: This is a 1.0 hour job. If the engine has been installed in 988 applications, this is a 3.0 hour job. NOTE: Group 4: Without V Belts installed, this is a 1.0 hour job. With V Belts installed, this is a 2.0 hour job. If the engine has been installed in 657, 773 and 775 applications, this is a 3.0 hour job. In D10 applications, this is a 6 hour job. NOTE: For Group 3 and Group 4 submit the claim using the 99Z021 as the serial number and put the engine serial number in the "Related Serial Number Field".

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 TIGHTENING THE DAMPER ADAPTOR BOLTS

MODELS INVOLVED - CERTAIN 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, C27, C32 ENGINES 773E OFF HIGHWAY TRUCKS, AND D10T, D9R TRACK TYPE TRACTORS

Dear Caterpillar Product Owner:

The damper adaptor bolts need to be inspected and tightened on the products listed below. 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 June 3, 2006 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 June 3, 2006 Service Letter