Marine Installation Manual
2021-08
4-82
4 Ancillary Systems
4.7 Air supply system
X72DF
4.7
Air supply system
The latest version of the
Marine Installation Drawing Set
relevant for the air
supply system (DG 9725) is provided on the WinGD webpage under the fol
-
lowing link:
Compressed air is required for engine starting and control, exhaust valve air
springs, the washing plant for the scavenge air cooler(s), and general services.
The starting and control air system shown in
-
pressors, two air receivers, and systems of pipework and valves connected to the
engine starting air manifold.
Figure 4
-
46 Air supply system
SM-0034
PI
PI
Drain
Drain
Automatic
drain
Drain
Clean and dry instrument air,
7...9 bar, supplied from board
Pipes on engine
Starting air feed pipes
Control air pipes
Ancillary equipment pipes
Starting air receiver
Starting air compressor
Control air inlet
for control system and air spring
Starting air inlet
Distribution pipe
with automatic starting air shut-off valve
Main engine
Pipe connections
Pressure indicator
PI
