CYLINDER ASSEM. (L.H.) 7J9678 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER EXTENSION FOR FEBRUARY 25, 1990 SL - PS0434 - PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO RED UCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E240, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADER S - MAILED US AND CANADA, CACO, COFA, CFEL
  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-36 A-29 AU-25 E-30 The Termination Date has been extended for the following Service Letter. Change the Termination Date to February 29, 1992. February 25, 1990 - PS0434; Product Support Program For Installing New Piston Rings And Cylinder Liners To Reduce Oil Consumption On Certain Challenger 65 Tractors; 235C, E240, EL240, E300, And EL300 Excavators; And 963 And 973 Loaders