Fuel system
53
Fuel lines
Fuel lines from tank to engine
Fuel hoses
À
and
Á
are used to connect the
engine fuel system with that of the ship side.
Fuel supply connection
À
:
Threaded connector
M30x2
. . . . . . . . . . . . . . . . . . .
Note:
The inside diameter (DN) of the fuel intake
line leading from the tank to the fuel
prefilter must be at least 20 mm.
Fuel lines from engine to tank
Fuel return connection
Á
:
Threaded connector
M22x1.5
. . . . . . . . . . . . . . . . . .
The fuel return in the tank must always be under
the fuel level.
Caution:
The fuel pressure is constantly monitored
at measuring point
Â
.
If the max. permissible suction vacuum is
exceeded, the engine monitor triggers an
alarm due to insufficient fuel supply.
2
1
4
3
Permitted pressures in fuel system
Permitted suction vacuum measured at
measuring point
Ã
:
0−0.25 bar with a clean fuel prefilter
max. 0.35 bar with a dirty fuel prefilter
Permitted overpressure in fuel return to tank
measured at the measuring point
Â
:
max. 0.2 bar.
Summary of Contents for V12-1800
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Page 12: ...Planning of engine installation 10 V12 1800 1 2 3 4 5 V8 1200 6 7 8 9 4 10 11...
Page 78: ...Notes 76...
Page 79: ...77 Appendix...
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