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Action when there is a risk of freezing
Check the antifreeze in the freshwater system after the engine has stopped if there is a risk of freezing. See
under the heading. “Coolant” on page 20.
Drain the water from the seawater system as described below. Check that all the water has drained out.
Check the batteries as described on page 67. A poorly charged battery may easily burst as a result of freezing.
Draining coolant
Before draining the coolant, the engine should be stopped, the filler cap unscrewed and the boat’s sea
cock closed. Then open the drain cocks or remove the drain plugs of the engine’s freshwater and seawater
systems. See the illustrations below and on the next page.
Check that all the water has drained out. There may be deposits inside the cock/plug which must be flushed
away, otherwise there is a risk that water may remain in the system and cause serious damage.
Check whether the installation has any more cocks or plugs on the cooling water and exhaust pipes’ lowest
points.
Remove the cover from the seawater pump and the cover on any extra pump.
Close the cocks, fit the plugs and put the cover on the seawater pump. Pump out the boat if required. Ensure
that there are no leaks before you leave the boat.
See the instructions on page 55 for filling with coolant.
TAMD71, TAMD72
F = Freshwater cocks/plugs S = Seawater cocks/plugs V = Venting cock
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