PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING SPACERS IN THE HYDRAULIC PUMP HEAD GROUP ON CERTAIN TK711, TK721, TK722 AND TK732 TRACK FELLER BUNCHERS AND 1190, 1190T, AND 1290T TIMBER KING FELLER BUNCHERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING SPACERS IN THE HYDRAULIC PUMP HEAD GROUP ON CERTAIN TK711, TK721, TK722 AND TK732 TRACK FELLER BUNCHERS AND 1190, 1190T, AND 1290T TIMBER KING FELLER BUNCHERS

Usage:

SEBE9220-01

June 18, 2005
(Revised October 2005)
U-194
A-144
D-156

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING SPACERS IN THE HYDRAULIC PUMP HEAD GROUP ON CERTAIN TK711, TK721, TK722 AND TK732 TRACK FELLER BUNCHERS AND 1190, 1190T, AND 1290T TIMBER KING FELLER BUNCHERS
5070		PI30823

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30823" 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 "PI30823" 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 18, 2005 Service Letter. Changes have been made to the Affected Product.

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COMPLETION DATE	TERMINATION DATE
December 31, 2005	June 30, 2006

PROBLEM

The 177-2502 Center Pin for the rotating group main hydraulic pump, galls with the 216-0037 Shaft on certain TK711, TK721, TK722 and TK732 Track Feller Bunchers and 1190, 1190T, and 1290T Timber King Feller Bunchers. This may generate debris and damage other hydraulic components. This may cause a loss of hydaulic functions and or pump noise.

AFFECTED PRODUCT

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Model	Identification Number
1090	BZJ205, 206
1190	BZK205, 206
1190T	BZL205-208
1290T	BZM205-207
TK711	10100185-251
TK721	10200185-349
TK722	10300185-453
TK732	10400185-549

PARTS NEEDED

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Qty	Part Number	Description
6	8T-2394	BOLT-SOCKET
2	268-3003	SPACER
2	270-3522	SPACER
4	6J-3134	SEAL-O-RING
2	7Y-5269	SEAL-O-RING

ACTION REQUIRED

See the attached Rework Procedure.

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%	1.0	0	0	0	0
NOTE: This is a 1.0-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)
(2-Rework Procedure)

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING SPACERS IN THE HYDRAULIC PUMP HEAD GROUP

MODELS INVOLVED - TK711, TK721, TK722 AND TK732 TRACK FELLER BUNCHERS AND 1190, 1190T, AND 1290T TIMBER KING FELLER BUNCHERS

Dear Caterpillar Product Owner:

Spacers need to be installed on the products listed below. The center pin for the main hydraulic pump rotating group, galls with the shaft and may generate debris. This may cause damage to other hydraulic components. 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 18, 2005 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 18, 2005 Service Letter

Rework Procedure

The 268-3003 and 270-3522 spacers must be installed in the pump head group. These spacers will allow the pumps to maintain a minimum flow at all times, thereby providing adequate lubrication to the pump center pin and shaft.