PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND IF NECESSARY INSTALLING UPDATED HOOK ASSEMBLIES ON CERTAIN PIN GRABBER COUPLERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND IF NECESSARY INSTALLING UPDATED HOOK ASSEMBLIES ON CERTAIN PIN GRABBER COUPLERS

Usage:

SEBE7967

April 19, 2002
U-81

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND IF NECESSARY INSTALLING UPDATED HOOK ASSEMBLIES ON CERTAIN PIN GRABBER COUPLERS
6129		PI10121

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI10121" 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 "PI10121" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

PROBLEM

Hook assemblies are being updated on certain pin grabber couplers within the pin grabber product line. Personal injury or death may result if the hook assembly fails and releases the attachment during operation.

AFFECTED PRODUCT

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Model	Identification Number
Coupler	APD112 ? APD422

PARTS NEEDED

1 ? 1728398 Hook Assembly
1 ? 1728395 Pin, hook pin
2 ? 1728412 Pin-spring

ACTION REQUIRED

Order parts listed in "PARTS NEEDED" section. Take parts along during inspection trip.
Inspect 1728398 Hook As currently installed in coupler as per instructions found in the "illustrations" section.
If hook assembly meets specifications, DO NOT replace.
If hook assembly DOES NOT meet specifications, replace hook assembly, hook pin and pin-springs.

If you have any questions please call CWTS PS @ 1-800-272-2787.

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-Illustrations)

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY ? REPLACE HOOK ASSEMBLY

MODELS INVOLVED - ON CERTAIN PIN GRABBER COUPLERS

Dear Caterpillar Product Owner:

Hook assemblies are being inspected and if necessary updated on certain pin grabber couplers within the pin grabber product line. Personal injury or death may result if the hook assembly fails and releases the attachment during operation. 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 April 19, 2002 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.

Caterpillar Inc.

Identification #(s)

Attached to April 19, 2002 Service Letter