CRANKSHAFT-AIR COMPRESSOR 9N2380 - Caterpillar

Caterpillar: Confidential Yellow
PARTS STOCK ACTION ONLY - CERTAIN WATER PUMPS AND WATER PUMP GASKET KITS FOR 3176 ENGINES NEED TO BE REMOVED FROM PARTS STO CK - PI7254 - MAILED US AND CANADA, TRUCK TEPS
  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-221 TT-15 PARTS STOCK ACTION ONLY 1361 PI7254 Termination Date
January 31, 1991
Problem
9Y4361 and 0R2825 Water Pumps and 7X7976 Gasket Kits need to be removed from parts stock. A new 2W0712 Seal Assembly is used in the water pumps in place of the former 9Y1333 Seal Assembly.
Action Required
Remove all 9Y4361 and 0R2825 Water Pumps from parts stock that are not identified with 9Y4361-03X marking. See the illustration on Page 2. Remove all 7X7976 Gasket Kits from parts stock.
Service Claim Allowances
Submit one claim for all 9Y4361 and 0R2825 Water Pumps; and all 7X7976 Gasket Kits removed from parts stock.
Parts Disposition
Any parts removed (with the exception of cores used for Caterpillar Remanufactured parts) can be rendered useless and scrapped immediately upon completion of the repair. Examine pump housing at the outlet port area or bolt pad area for the part number/change level identification. Remove all 9Y4361 and 0R2825 Water Pumps from parts stock that are not identified with 9Y4361-03X marking. ****** IMAGE: SEBE4438.00001.001 CAPTION: Illustration 1 Location of Part Number And Change Level