New Planetary Gear Bearings Need To Be Installed In The Final Drives Of Certain 769C Trucks Caterpillar

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.

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI3606" as the Part Number, "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 "PI3606" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Completion Date

Termination Date

Problem

New bearings and spacers need to be installed in the final drives of certain 769C Trucks to insure that they are assembled with the correct combination of spacers and bearings.

Affected Product
Model & Identification Number

769C, (01X5850-5919, 01X5962-5986)

Parts Needed

Dealers will need to order parts for this Program.

2 - 6D0692 Seal-O-Ring

12 - 8X4552 Washer

6 - 8X5689 Shaft

6 - 8X9563 Spacer

12 - 6Y9885 Bearing Assembly

Action Required

NOTE: Some of the final drives may have been assembled with one bearing and two spacers. New bearings and spacers need to be installed in these final drives to insure that they are assembled with the correct combination of spacers and bearings.

Remove the planetary carrier from each of the final drives.

Remove each of the planetary gear shafts along with its gear, the two existing spacers and the existing bearing.

NOTE: If two bearings and one spacer is found on a planet shaft it is not necessary to install new parts.

Install each of the gears in the carrier using two new bearings, one new spacer, two new washers and one new shaft.

Install the planetary carriers in the final drives.

Owner Notification

U.S. and Canadian owners will receive the attached Owner Notification.

Service Claim Allowances

NOTE: This is a 6-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.

NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach. (1-Owner Notification)

Copy Of Owner Notification For U.S. And Canadian Owners