HOSE 4165220 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR JUNE 12, 1990 SL - PS0446 - PSP FOR REPLACING WORN INTAKE VALVE AND/OR VALVE SEATS ON CERTAIN 350 8, 3512, AND 3516 MARINE AND GENERATOR SET ENGINES - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE 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-228 A-160 AU-145 B-45 E-138 O-178 TM-10 Some information needs to be changed in the Service Letter which follows: June 12, 1990 - PS0446; Product Support Program For Replacing Worn Intake Valves And/Or Valve Seats On Certain 3508, 3512, And 3516 Marine And Generator Set Engines Under the heading Affected Product, change the identification numbers to those that follow. Model Identification Number 3508 96Y1-1036 23Z1-2917 69Z1-513 70Z1-731 3512 50Y1-873 24Z1-3070 66Z1-378 67Z1-740 3516 25Z1-1818 29Z1-919 72Z1-404 73Z1-316