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Caterpillar: Confidential Yellow
PARTS STOCK ACTION ONLY - THE DEFLECTOR SHIELDS ON CERTAIN UNIT INJECTORS IN PARTS STOCK MAY FAIL - PI7278 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS - REVISED 04/92
  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.
March 6, 1992 (Revised April 1992) U-41 A-29 AU-24 B-19 E-23 O-37 TM-3 PARTS STOCK THE DEFLECTOR SHIELDS ON CERTAIN UNIT ACTION ONLY INJECTORS IN PARTS STOCK MAY FAIL 1290 PI7278 This Revised Service Letter replaces the March 6, 1992 Service Letter. Changes have been made to the injector group part numbers listed under Action Required. Termination Date
June 30, 1992
Problem
The deflector shields on certain unit injectors in parts stock may fail. All unit injectors in parts stock need to be inspected for the date code "BO".
Action Required
Remove all of