MAN B&W 5L28/32H, Manual

Page: 81 / 218

08028-0D/H5250/94.08.12
General
As standard the lubricating oil system is based on
wet sump lubrication. All moving parts of the engine
are lubricated with oil circulating under pressure in a
closed built-on system.
1613544-6.4
Page 1 (4)
Internal Lubricating Oil System B 12 00 0
L28/32H
99.48
Fig 1 Diagram for internal lubricating oil system.
DN 25
DN 25
DN 80
DN 80
DN 20
DN 50
DN 50
DN 25
Lubricating oil from separator
Lubricating oil to separator
Lubricating oil from separate filter
Lubricating oil to separate filter
Back-flush from full-flow filter
Oil vapour discharge
Lubricating oil overflow
Lubricating oil supply
C3
C4
C7
C8
C9
C13
C15
C16
Pipe description
Flange connections are as standard according to DIN 2501
The lubricating oil is furthermore used for the pur-
pose of cooling the pistons.
The standard engine is equipped with built-on:
– Engine driven lubricating oil pump
– Lubricating oil cooler
– Lubricating oil thermostatic valve
– Full-flow depth filter
– Prelubricating oil pump
Oil Quantities
The approximate quantities of oil necessary for a
new engine, before starting up are given in the table
on the next page.
If there are connected external, full-flow filters etc.,
the quantity of oil in the external piping must also be
taken into account.