HANDHOLD 5T2998 - Caterpillar

Caterpillar: Confidential Yellow
PRIORITY - TRANSMISSION BOLT TORQUE MAY BE INCORRECT ON CERTAIN IT12 INTEGRATED TOOLCARRIERS, 910 LOADERS, AND D3B AND D3C TRACTORS - MAILED US, CANADA, COFA, CFEL, COSA, LIMITED CACO
  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.
U-146 A-66.1 AU-91 E-61 O-88 PRIORITY 3150 PI3355 COMPLETION DATE Termination Date
March 31, 1989 September 30, 1989
Problem
A recent discovery indicates the bolts that hold the rotating clutch together and the bolts that hold two carriers together in the planetary transmission group may have been incorrectly tightened on certain IT12 Integrated Toolcarriers, 910 Loaders, and D3B and D3C Tractors. Only single reverse speed models are affected.
Affected Product
Model Identification Number IT12 2YC1287 - 1306, 1308 - 1317, 1319 - 1322 910 40Y9152 - 9157, 9159 - 9193, 9195 - 9254, 9256 - 9257, 9259 - 9260, 9262, 9263, 9265, 9266, 9269 - 9286, 9288 D3B 23Y2586 24Y2494 - 2508 D3C 2RF322 - 326, 328 - 358, 360 - 366, 371, 376 - 379 6PF183 - 185, 191
Parts Needed
Dealers will need to order parts for this Program. 8 - 2S5818 Bolts - as needed 6 - 1T0414 Bolts - as needed
Action Required
1. Remove the transmission from the vehicle according to the procedure in the service manual. 2. Disassemble the planetary group, according to the procedure in the service manual, through the removal of the 8-2S5818 Bolts, the