PRODUCT IMPROVEMENT PROGRAM FOR REWORKING REAR AXLE SPINDLES ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING REAR AXLE SPINDLES ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS

Usage:

REBE6479-00

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15Dec2010

U-501

A-413

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING REAR AXLE SPINDLES ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS
4201		PI10833

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10833" 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 "PI10833" 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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PROBLEM

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The rear axle spindles need to be replaced on on certain 773F and 775F Off-Highway Trucks. The existing rear axle spindle can fail due to fatigue fracture in the bell housing.

AFFECTED PRODUCT

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Model	Identification Number
773F	EED00750-00754, 757-759, 768-773, 785-793, 796, 811-812, 825-828, 831-834, 848-850, 863-866, 887-891, 894-903, 907-911, 914-915, 918-920, 933-934, 936-938, 943, 962-963, 973-977, 979-980, 998-1001, 1004, 1009-1011, 1014, 1017-1031, 1071-1089, 1105-1107
773F OEM	EXD00100-00109
775F	DLS00753-00754, 756-759, 762-764, 778, 780-781, 786-787, 808-809, 822, 824, 831, 843-847, 857-858, 880-881, 888, 908, 910, 913, 951, 974, 977-978, 986-987, 995-997, 1000, 1004-1007, 1028-1033, 1046-1047, 1049-1052, 1079, 1081-1086

PARTS NEEDED

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Qty	Part Number	Description
2	3K0360	SEAL-O-RING
2	4D5738	SHIM
4	4J0527	SEAL-O-RING
2	4S5924	SEAL-O RING
2	5P4342	SEAL-O-RING
2	6F6672	SEAL-O RING
1	6V8237	WASHER-HARD (IF REQUIRED)
4	7J9108	SEAL-O-RING-ORFS
2	8L9241	SEAL-O-RING
20	8T0357	BOLT
4	9M5892	SEAL-O RING
1	2934936	BOLT-HEX HEAD (IF REQUIRED)
2	3144128	SEAL GP-DUO CONE
2	3176441	SEAL GP-DUO CONE
2	3561487	SPINDLE-REAR
NOTE: The 356-1487 Spindles are frozen in the parts system until an adequate supply is available. To facilitate the order filling, dealers are asked to enter the order for the 356-1487 Spindle as a "Priority 26 ? Down." ===== ===== ===== ===== ===== ===== ===== ===== ===== ===== In order to allow equitable parts availability to all participating dealers, please limit your initial parts order on all other parts to not exceed 45% 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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Replace both rear spindles. Refer to Special Instruction REHS5086 "Procedure for Rear Wheel Spindle Removal and Installation" for the recommended repair procedure.

Note: The (1) 293-4936 Bolt and (1) 6V-8237 Washer listed are only required if the left side spindle has previously been rotated under PI10794 or PI31713. These parts are required to replace the bolt and washer that were left out when the spindle was rotated. The rest of the 293-4936 Bolts and 6V-8237 Washers are to be reused.

The 356-1487 Left Side Spindle that is installed for this program should be installed in the original configuration (with TCS sensor port towards the front of the machine). The TCS harness (if equipped) should be routed back to the original routing.

Record the machining codes for the new left and right side spindles. The machining codes are located on the flange of each spindle. Include the machining codes with the Service Information Management System (SIMS) entry and warranty claim submission.

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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 55.0-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

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING REAR AXLE SPINDLES ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS

MODELS INVOLVED - 773F and 775F Off-Highway Trucks

Dear Caterpillar Product Owner:

The rear axle spindles need to be replaced on the products listed below. The existing rear axle spindle can fail due to fatigue fracture in the bell housing. This failure may, in conjunction with other factors or circumstances, result in a risk of personal injury or death. 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 15Dec2010 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 15Dec2010 Service Letter