1.3 Circulating water systems
1.3 Forced lubrication
? In motorships the oil,after passing through main
and motion bearings and oil-cooled pistons,etc.,
is either retained in the bedplate or flows by
gravity to a sump tank.
? In either case,the oil pumps,which may be self-
priming,submerged centrifugal or rotary positive
displacement,draw the oil through magnetic
strainers and discharge to,filters - oil coolers -
engine lubricating and/or cooling manifolds.
sound
Lub oil can flow
from the main bearing to
the crank,
connecting rod,
crosshead,
crosshead guide shoes and
crosshead guides.