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Maintenance: Seawater system
Seawater system. Cleaning and inhibiting
To prevent the build up of deposits and salt crystals in
the seawater system it must be flushed with freshwa-
ter. When the boat is laid up it must also be inhibited.
WARNING! Risk of water penetration. Cleaning
and inhibiting the seawater system should be car-
ried out with the boat on land.
1. Detach hose from the seawater pump and connect
a hose which reaches to a bucket filled with fresh-
water. Check that there is nothing that will get
splashed behind the exhaust outlet.
2. Take care of filling.
3.
WARNING! Approaching a running engine is
dangerous. Watch out for rotating components
and hot surfaces.
IMPORTANT! The impeller will be damaged if it
runs dry.
Set the gear control lever in the neutral position.
Check that nobody is near the propellers.
Start the engine. Let it run at fast idle a few min-
utes.
Stop the engine.
4. For inhibiting fill a bucket with antifreeze mixture
(50/50 freshwater and antifreeze).
Secure a container by the exhaust outlet.
Repeat step 3.
5. Connect seawater hose.
6. The system is now inhibited. The antifreeze mixture
should be left in the system while the boat is laid
up.
Drain the mixture just before the boat is launched.
Deposit the mixture at a properly designated dispos-
al site.
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