Lubricant oil
Mineral oil
Coolant oil
Hydraulic oil
.
Boiling temperature should be low
Should develop foam
Oil viscosity should not be same in hot and cold condition
Oil viscosity should be suit the operating conditions
Crank Shaft
Cam Shaft
Crank pulley
Timing gears
Main journal
Crank pin
Cylinder wall
Through drilled oil passages
Through crank pulley
Through sprocket
Through vibration damper
