ORIFICE 1974938 - Caterpillar

Caterpillar: Confidential Yellow
PARTS STOCK ACTION ONLY - 8D6947 AND 9G5589 SWITCHES NEED TO BE REMOVED FROM PARTS STOCK - PI7234 - MAILED US AND CANADA, CAC O, COFA, BRAZIL, CFEL, COSA
  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-82 A-50 AU-50 B-14 E-52 O-66 parts stock action only 1400 PI7234 Termination Date
July 31, 1990
Problem
The contacts on certain 8D6947 and 9G5589 Switches may burn and cause the switch to stay on or off.
Action Required
Check the date codes on the side of all 8D6947 and 9G5589 Switches in parts stock. Remove all of these switches from parts stock that do not have a date code or that have a date code that is 100 or less. This code is stamped on the side of the switch housing.
Service Claim Allowances
Submit one claim for all 8D6947 and 9G5589 Switches 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.