GEAR & CASE GP-TRANSFER 3535016 - Caterpillar

Caterpillar: Confidential Yellow
PRIORITY - FLYWHEEL BOLT BREAKAGE ON 769C TRUCKS, 768C TRACTORS - MAILED WORLDWIDE EXCEPT BRAZIL
  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.
FLYWHEEL BOLT BREAKAGE ON 769C TRUCKS, 768C TRACTORS, 1156, PI3132 U-22 A-13 AU-19 C-22 E-17 O-18 priority COMPLETION DATE Termination Date
September 30, 1986 March 31, 1987
Problem
There have been low hour failures of the bolts which hold the flywheel to the crankshaft on the Affected Product. Stronger bolts need to be added to the following products.
Affected Product
Model Identification Number 769C 1X3294-3296, 3298-3303, 3305-3315, 3318-3462, 3465, 3467-3485, 3489, 3493 768C 2X358
Parts Needed
12-1N3825 Bolt 12-3G8856 Washer 1-4H6730 Seal 2-8M4433 O-ring Seal 1-2H6184 Seal 2-4J0524 O-ring Seal 1-9S8307 Seal 1-4J0522 O-ring Seal 1-1P3709 Seal
Action Required
Remove the torque converter. Remove the existing bolts and washers. See the Service Manual for installation instructions. Install the 1N3825 Bolts and 3G8856 Washers. Tighten the bolts to the specified torque. Install the torque converter.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification. WARRANTY ALLOWANCES Caterpillar Dealer Suggested Customer Suggested Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (D/N) (Sell) (C/L) (Sell) 100% 10 0 0 0 0 This a 10-hour job.
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. (Owner Notification) COPY OF
Owner Notification
FOR U.S. AND CANADIAN OWNERS XYZ Corporation 3240 Arrow Drive Anywhere, YZ 99999 PRIORITY - Flywheel Bolt Breakage MODELS INVOLVED - 769C Trucks, 768C Tractors Dear Caterpillar Product Owner: On products with the serial numbers listed below, it is possible for the bolts which hold the flywheel to the crankshaft to break. Stronger bolts are needed. The repair will be done at no cost to you. Contact your local Caterpillar dealer immediately and schedule a time to have this service performed. The repair time for this service is approximately ten hours. We regret the inconvenience this may cause you, but urge you to have this service performed to eliminate the possibility of a failure and unscheduled downtime. Caterpillar Identification #(s) Attached to March 17, 1986 Service Letter