CONTACTOR-TEMP 7W0872 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR MAY 6, 1991 SL - PSP FOR REPLACING THE TRACK IDLER SHAFT AND BEARINGS IN THE TRACK IDL ERS OF CERTAIN D3C, D4C TRACTORS; 931C, 935C LOADERS - PS4554 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISE D 06/91
  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.
June 5, 1991 (Revised June 1991) U-115 A-82 AU-68 E-74 O-85 SERVICE LETTER SUPPLEMENT This Revised Service Letter replaces the June 5, 1991 Service Letter. Changes have been made to the quantities of parts. Some information needs to be changed in the Service Letter which follows: May 6, 1991 - PS4554; Product Support Program For Replacing The Track Idler Shaft And Bearings In The Track Idlers Of Certain D3C Tractors, D4C Tractors, 931C Loaders, And 935C Loaders Under the heading Parts Needed, change the quantities for the following parts required. 1 - 8E7342 Idler (Use after failure only) 1 - 8E7343 Shaft 2 - 6Y4744 Bearing 2 - 1H9696 Seal (Use after failure only) 2 - 9W7220 Seal Group (Use after failure only) 2 - 6Y2110 Washer Quantities listed are per idler.