8 - PROPULSION SYSTEM257
8.9 EXHAUST SYSTEM
8.9.1 Engine exhausts
The engine exhausts are underwater. This system reduces the smoke that
usually tends to soil the yacht’s stern.
In order to avoid the counter-pressure to engines with the yacht stopped, at
stern sides some by-pass minimum exhausts have been installed and they
are accessible from outside of the yacht.
The exhausts have to be checked at regular intervals to avoid the formation
of build-ups that could prevent the correct gas ejection.
Troubleshooting procedure
The main reason for a poor start-up or lack of power is the result of a clogged
lter or of an air leak in the fuel system.
If the device does not prime or does not hold the idle run, or air bubbles
are visible through the check glass, rst of all check the cover by means of
the T-handle and vent it, if it had not been closed properly. Then check all
connections and lines and make sure that no fuel line is clogged with con-
taminants. If the fuel tank is equipped with an incorporated lter, check for
its possible clogging. If the problem persists and the lter element is new,
address to Dealer.
CAUTION
The separators must be checked at regular intervals as suggested by the
Manufacturer, in order not to impair the generators’ operation.
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