Stopping The Engine; After Stopping The Engine; Laying Up; Cold Weather Precautions - Volvo Penta D1-20 Operator's Manual

Stopping the engine

The engine should be run for a few minutes at idle (in neutral) before turning it off. This will avoid boiling and even
out the temperature. This is especially important if the engine has been operated at high engine speeds and
loads.
24
Stopping
If the instrument panel has an ignition switch the
key should be turned to the stop position "S". The key
will automatically spring back to the "0" position when
it is released and can then be removed.
If the boat is fitted with an electric start/stop func-
tion: Push the rocker switch to the "Stop" position un-
til the engine stops. Release the rocker switch and it
returns automatically to the "Power OFF" position.

After stopping the engine

Inspect the engine and engine compartment for
any leaks.
Close the fuel cock and sea cock for the cooling
water intake.
IMPORTANT! Do not forget to open the cocks
before the engine is started again.
Read off the hours counter and do preventive
maintenance as in the maintenance schedule.
Switch off the main switch if the boat is not to be
used for some time.
IMPORTANT! Never break the circuit with the
main switches while the engine is running. This
could damage the generator.

Laying up

If the boat is not going to be used for some time but
is being left in the water, the engine must be run to
operating temperature at least once every 14 days.
This prevents corrosion in the engine. If the boat will
not be used for more than two months then inhibiting
should be carried out: See chapter "Laying up/
Launching".

Cold weather precautions

To prevent freezing damage, the seawater system
must be drained and the freshwater system coolant
must have sufficient antifreeze protection. See
chapter Maintenance "Cooling systems".
IMPORTANT! A poorly charged battery may
burst as a result of freezing.