PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND INSTALLING BOOM PROTECTION PLATES ON CERTAIN 587T PIPELAYERS WITH 28 FOOT BOOMS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND INSTALLING BOOM PROTECTION PLATES ON CERTAIN 587T PIPELAYERS WITH 28 FOOT BOOMS

Usage:

REBE3286-01

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20May2008

(Revised 03Jul2008)

U-271

A-221

D-220

O-242

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND INSTALLING BOOM PROTECTION PLATES ON CERTAIN 587T PIPELAYERS WITH 28 FOOT BOOMS
6301		PI31504

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31504" 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 "PI31504" 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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NOTE:	This Revised Service Letter replaces the 20May2008 Service Letter. Changes have been made to Affected Product.

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COMPLETION DATE	TERMINATION DATE
30Nov2008	31May2009

PROBLEM

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The boom arms need to be inspected on certain 587T Pipelayers fitted with 28 foot booms. In addition, boom protection plates may need to be installed. This letter covers the area where the blocks might have rubbed on the tubes when pulled up tight (two-blocked). The existing boom can exhibit wear that may contribute to material fatigue over time.

Please contact your Track-Type Tractor Product analyst at (309)675-0628, (309)494-0886, or (309)494-0887 with questions regarding applicability of this service letter.

AFFECTED PRODUCT

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Model	Identification Number
587T	FAT00214-00384, 389-429

PARTS NEEDED

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Qty	Part Number	Description
12	8T4223	WASHER-HARD
6	8T4244	NUT-HEX
6	8T4648	BOLT
6	2284710	SPACER
1	3247661	PLATE
1	3267569	PLATE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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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Refer to the Service Manual as necessary.

1. Park the machine on a level surface and put the parking brake on.
2. Remove the boom and turn it over.
3. Visually inspect the boom for damage in the block area.
4. Measure the extent of the damage. If damage is less than 3mm in depth on the tube, buff the area smooth and repaint. Install the protection plates on the boom as shown in Image 1.
5. If damage is greater than 3mm but less than 6mm in depth on the tube, buff the area clean, apply a weld repair (ref REHS1841), buff the weld smooth and repaint. Inspect the repaired area utilizing the dye penetrant process (ref REHS1841). Install the protection plates on the boom as shown in Image 1.
6. If damage is greater than 6mm, please take photos of the damage and contact your Track-Type Tractor Product analyst at (309)675-0628, (309)494-0886, or (309)494-0887.

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Image1

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 1.0-hour job

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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 INSPECTING AND INSTALLING BOOM PROTECTION PLATES ON CERTAIN 587T PIPELAYERS WITH 28 FOOT BOOMS

MODELS INVOLVED - 587T Pipelayers

Dear Caterpillar Product Owner:

The boom arms need to be inspected on certain 587T Pipelayers fitted with 28 foot booms. In addition, boom protection plates may need to be installed. This letter covers the area where the blocks might have rubbed on the tubes when pulled up tight (two-blocked). The existing boom can exhibit wear that may contribute to material fatigue over time. 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 20May2008 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 20May2008 Service Letter