Lubrication engine

Drain tank (or sump) with lubricant

The position of the drain tank

Pumps draw the lubricant
from the drain tank.

The lubricant is led through
filters to the cooler (heat exchanger).

cooler

sound

In the cooler the lubricant is
cooled by fresh water

sound

From the cooler the lube oil passes
through the

s

Lubrication of engine parts

In a crosshead engine oil bores run through the crankshaft, crankwebs

sound

so that the oil can flow
from the main bearing to
the

The oil passes through the main lube-oil supply line
to the

In a trunk engine
the cylinder-lubrication
is done by the
oil mist
thrown

sound

Used oil is passed through the strainers (S) before it

sound

strainer

Before the lubricating oil is entered
into the system again, it

sound

Air in the drain tank can escape
through the air vent (breather).

Air

sound

The oil-level is indicated with a level gauge