HARNESS AS-PANEL 1262210 - Caterpillar

Caterpillar: Confidential Yellow
PSP FOR INSTALLING NEW PISTON RINGS AND CYLINDER LINERS TO REDUCE OIL CONSUMPTION ON CERTAIN CHALLENGER 65 TRACTORS; 235C E24 0, EL240, E300 AND EL300 EXCAVATORS; AND 963 AND 973 LOADERS - MAILED US, CANADA, CACO, COFA, CFEL - PS0434
  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-38 A-25 AU-25 E-21 1216, 1215 PS0434 This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0434" as Part Number, "7755" as Group Number, and "96" as Description Code. Termination Date
February 28, 1991
Problem
Oil consumption may be a problem on certain Challenger 65 Tractors; 235C, E240, EL240, E300, and EL300 Excavators; and 963 and 973 Loaders due to light load conditions and the type of piston rings used. New piston rings and cylinder liners can be installed to reduce the oil consumption in these light load conditions.
Affected Product
Model Identification Number Chall 65 7YC1-1506 235C 5AF1-787 3WG1-172 E240 1FG1-Up EL240 4JF1-Up E300 2CF1-Up EL300 4NF1-Up 963 21Z1-Up 973 86G1-Up
Parts Needed
***** Challenger 65 Tractors; 235C, E300, ***** ***** and EL300 Excavators; and 973 Loaders ***** 6 - 7E6047 Ring-Oil 1 - 4M2969 Gasket-Pan Plate 1 - 8M0904 Gasket-Oil Pump 1 - 9M4849 Seal-O-ring 6 - 2P8889 Liner-Cylinder 6 - 5P8768 Gasket-Cylinder Liner 1*- 5P8772 A/C Lines Gasket Kit 1 - 8S1965 Gasket-Oil Pan 1 - 6V8032 Cylinder Head Gasket Kit 6 - 2W1707 Ring-Top 6 - 2W1708 Ring-Int * Challenger 65 Tractors and 235C Excavators only ***** E240, EL240 Excavators; and 963