PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TILT LEVER ON CERTAIN 950G AND 962G WHEEL LOADERS FOR OUT OF SPECIFICATION WELDS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TILT LEVER ON CERTAIN 950G AND 962G WHEEL LOADERS FOR OUT OF SPECIFICATION WELDS

Usage:

SEBE7864

December 14, 2001
U-344
A-242

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TILT LEVER ON CERTAIN 950G AND 962G WHEEL LOADERS FOR OUT OF SPECIFICATION WELDS
6116		PI30270

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30270" 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 "PI30270" 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.

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COMPLETION DATE	TERMINATION DATE
June 30, 2002	December 31, 2002

PROBLEM

The tilt lever on certain 950G and 962G Wheel Loaders needs to be inspected for out of specification welds and replaced if necessary. If the welds are out of specification cracking of the lever may result.

AFFECTED PRODUCT

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Model	Identification Number
950G	8JW291-317, 319-328, 330-333, 335-336, 400-401, 404-408
962G	6EW277-330, 332-335, 400-405, 407-419, 422-425

PARTS NEEDED

Dealers will need to order parts for this Program.

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Quantity	Part Number	Description
See Note	1276368	LEVER ASSEMBLY
NOTE: See the attached rework procedure. All of the affected product must be inspected. Only lever assemblies with a weld rework greater than 20 mm diameter are to be replaced.

ACTION REQUIRED

See the attached procedure.

All of the affected product must be inspected. Only lever assemblies with a weld rework greater than 20 mm diameter are to be replaced.

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.
*** Inspection Only ***
100%	.5	0	0	0	0
NOTE: This is a .5-hour job to inspect the lever.
NOTE: U.S. and Canadian Dealers Only - This Program does not qualify for a Type 2 SIMS Report

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Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
*** Inspect and Replace Lever ***
100%	3.5	0	0	0	0
NOTE: This is a 3.5 hour job to inspect and replace the lever.
NOTE: U.S. and Canadian Dealers Only - This Program does not qualify for 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 INSPECTING THE TILT LEVER ON CERTAIN 950G AND 962G WHEEL LOADERS FOR OUT OF SPECIFICATION WELDS

MODELS INVOLVED - 950G AND 962G WHEEL LOADERS

Dear Caterpillar Product Owner:

The tilt lever on the products listed below needs to be inspected for out of specification welds and replaced if necessary. If the welds are out of specification cracking of the lever may result.

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 December 14, 2001 when scheduling this service. You will not be charged for the service performed.

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 December 14, 2001 Service Letter

REWORK PROCEDURE

Tools and materials required:

Grinder
Sand paper 60
Nital (Solution of alcohol and nitric acid to 5%)
Cotton
Tweezers
Alcohol Inspection procedure

Start by lifting the arm, tilting the bucket down and placing the tip in the ground to gain access to the bottom face of the Tilt Lever. Turn the start key to the 'OFF' position, turn disconnect key to the 'Disconnect' position, and remove 'disconnect' key..
Record the Lever NUMERAL KOD and the three digits sequence number.
Grind the area as indicated in the illustration below until complete paint removal and provide a good sand paper finish.

Illustration - Location Requiring Inspection

Clean up the area with alcohol.
Use the tweezers to soak the cotton with Nital and apply over the prepared area several times.
Verify results. After apply Nital, a reaction, clear coloration in contrast with the metal base could be noticed in the surface, which indicates whether the part was welded or not. Welds up to 20 mm in diameter are acceptable.
If out of specification weld rework is found, replace the Tilt Lever Assembly per SENR1392-04, Machine Systems Disassembly And Assembly
After inspection, clean up the area with alcohol until Nital is complete neutralized and repaint it.