Hanse 300 Yachtzentrum Greifswald
15/20
Openings in the hull are potential dangers for ingress of water. They require your special attention.
They are manually operated, therefore their condition needs regular checking.
All underwater through-hull fittings may be closed with a sea valve. You should always close them if you
leave the boat unattended for a longer period of time.
Through-hull openings for instruments, e.g. echo sounding gear, are special designs and cannot be closed
by a sea valve.
WARNING!
If possible, keep sea valves closed when not in use!
Test the lock state and the position of the lever.
In closed position the lever should be crosswise to hose or pipe.
You should keep on board different sizes of leak stoppers with a view to preventing danger. In case of
damages you can quickly and efficiently close the openings with them.
3.15 Engine
NOTE!
After you have started the engine, please check whether the exhaust also ejects water besides
exhaust gas, also intermittently.
If not, the cooling water supply has to be checked and repaired.
A thermostat with optical and acoustic alarm reports superheating of the engine. In such case switch off
the engine and check the cooling water circuits!
ATTENTION!
If the engine does not start after a third try, please close the sea valve for the cooling system
of the engine. Start the engine again. If the engine works, open the sea valve again (during ½
minute).
3.16 Anchoring, Towing and Mooring
Anchoring
DANGER!
Please mind that the holding power of the anchor may not be sufficient at bad holding
grounds, rough weather, waves and strong wind and that you have to take special seamanlike
precautions to increase the holding power or to leave the anchoring place in time.
Towing
The anchor cable may be used for towing. It is however better to use a special towing line of the same
thickness. For towing you fix the towing line at the two bow chocks like a bridle and/or if the towing
distances are longer, you put an equally thick rope around the whole boat in order to distribute the strong
forces. Other places are not suitable for towing, e.g. the mast base.
The tow line is to be attached in such a way that it may be slipped under load!
NOTE!
Please mind that when towing the speed must be less than what is called the hull speed.
Otherwise the towing forces may damage the boat. The hull speed for this boat is approx. 6.8
kn (=12.6 km/h).
In accordance with the weather conditions, wave action and depth of water it may become necessary to
strongly reduce this speed as the loads occurring in this case may cause damage.
Mooring
For mooring the boat belaying cleats and/or bollards are attached at the bow and the stern which are
sufficiently strong to withstand normal forces in a protected port.
Protect the mooring lines against chafing and unintended loosening when the boat is unattended over a
longer period of time.
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