Action When There Is A Risk Of Freezing - Volvo Penta TAMD63L Instruction Book

Precautions against 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 94.
Drain the water from the seawater system as described below. Check that all the water has drained out.
Check batteries in accordance with instructions on page 72. A poorly charged battery can burst if it freezes.
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 runs out. There may be deposits by the cock/plug which must be removed. 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.
NOTE! To protect the environment please dispose of used coolant at a properly designated dis-
posal site.
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 (and any extra pump fitted). Pump out
the boat if required. Ensure that there are no leaks before you leave the boat.
See the instructions on page 59 for topping up the coolant.
TAMD71
F = Freshwater cocks/plugs
32
S = Seawater cocks/plugs V = Venting cock