Caterpillar — 99709-68120 (EN)

HOW TO READ THIS MANUAL ii How This Manual Is Compiled • This manual is compiled by classifying various systems into certain groups. • Each group contains specifications; troubleshooting; maintenance service standards; tightening torque; lubricant, fluid and sealant; special tools; and service procedure. • Page enumeration is independent by every group where first page is always 1. Group No. Group denomination Contents 00 General General specifications, engine No.

and name plate, precautions for maintenance operations, table of standard tightening torques 11 Engine Engine body 12 Lubrication Lubrication system 13 Fuel and engine control Fuel system 14 Cooling Cooling system 15 Intake and exhaust Intake and exhaust system, intercooler 54 Electrical system Alternator, starter, preheating system, engine start system 61 Special equipment Air compressor