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Coolant - Filling
Mix the anti-freeze with water in a
clean container before filling the
heat exchanger. The coolant must
be totally free from dust. Fill the
exchanger slowly not to introduce
air into the coolant system.
Refer to the chapter TECHNICAL
DATA to know the coolant capacity
of the heat exchanger. For Keel
Cooling system or when using a
water boiler, the coolant capacity
must be adapted according to the
pipes length and the tank capacity.
To fill the coolant system :
1. Turn the coolant filler cap
slowly to the first stop and let any
pressure escape from the system
then remove the cap.
2. Check that the drain plugs are
properly tightened.
3. Add coolant through the heat
exchanger filler port to the correct
level.
44
I CAUTION
If a boiler is connected to the en-
gine, follow the filling procedure
given by the manufacturer of the
boiler. If the boiler is above the
engine in the boat, first fill the
heat exchanger, the boiler, and
top up with coolant the recovery
tank.
4. Check the coolant level in the
recovery tank (if fitted). Top up if
necessary.
5. Start the engine and let it
operate few minutes at idle. Stop
the engine, wait few minutes and
check the coolant level in the
heat exchanger and in the reco-
very tank. Top up if necessary.
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