PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE FUSE PANEL POWER SUPPLY CONNECTIONS ON CERTAIN 735B, 740B, 740B EJ, AND 740B OEM ARTICULATED TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE FUSE PANEL POWER SUPPLY CONNECTIONS ON CERTAIN 735B, 740B, 740B EJ, AND 740B OEM ARTICULATED TRUCKS

Usage:

REBE7977-00

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03Apr2012

U-183

A-152

D-161

O-174

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE FUSE PANEL POWER SUPPLY CONNECTIONS ON CERTAIN 735B, 740B, 740B EJ, AND 740B OEM ARTICULATED TRUCKS
1408		PI32015

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32015" 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 "PI32015" 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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COMPLETION DATE	TERMINATION DATE
31Oct2012	30Apr2013

PROBLEM

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The nuts that retain the power supply cables on the cab main fuse panel may not be properly tightened on certain 735B, 740B, 740B EJ, and 740B Articulated Trucks.

AFFECTED PRODUCT

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Model	Identification Number
735B	L4D00363-00389 T4P00255-00301
740B	L4E00375-00768 T4R00269-00318, 320-439, 442, 445, 447-467
740B EJ	L4F00383-00392 T4S00273-00284
740B OEM	E4S00121-00126

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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The cab main fuse panel power cable connections need to be accessed and reworked. Refer to the attached Rework Procedure.

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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 REWORKING THE FUSE PANEL POWER SUPPLY CONNECTIONS ON CERTAIN 735B, 740B, 740B EJ, AND 740B OEM ARTICULATED TRUCKS

MODELS INVOLVED - 735B, 740B, 740B EJ, 740B OEM

Dear Caterpillar Product Owner:

The nuts that retain the power supply cables may not be properly tightened.

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 03Apr2012 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 03Apr2012 Service Letter

Rework Procedure

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Before performing this procedure, ensure that the battery disconnect switch is in the OFF (open) position. Refer to the Operation and Maintenance Manual, "Battery Disconnect Switch".

Image1.1.1

1. Remove two bolts (1) from the fuse panel box cover.
Note: The auxiliary power socket (2) will be disconnected in the next step when the cover is removed.

Image1.2.1

2. Open the fuse box door. Remove four bolts (3). Carefully remove the cover to a position where the auxiliary power socket connection (2) can be disconnected. Remove the cover.

Image1.3.1

3. Loosen nut (4). Retighten nut (4). Use an appropriate torque wrench to tighten the nut to 8 +/- 0.5 Nm (70.8 +/- 4.4 lb in).

4. Loosen nut (5). Retighten nut (5). Use an appropriate torque wrench to tighten the nut to 6 +/- 0.5 Nm (53.0 +/- 4.4 lb in).

5. To install the fuse box cover, repeat Step 1 and Step 2 in reverse order. Turn the battery disconnect switch to the ON (closed) position. Refer to the Operation and Maintenance Manual, "Battery Disconnect Switch".