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It is important to let the engine run
for a while, in order to flush away any
sludge and salt that could otherwise
cause rusting. Then switch off the engine. Insert the
free end of the hose into a solution of water and
Volvo Penta coolant. Allow the liquid to circulate for
a while, without the bucket becoming empty. Switch
off the engine and replace the suction pipe.
N.B. Leave the liquid in the system, as it provides
good protection against freezing and corrosion.
Check and clean sea water filter, if fitted.
If you wish to protect the engine over a longer
period than the normal lay-up time, use Volvo Penta
emulsifying inhibiting oil, as it is specially designed
for the cooling water ducts. Follow the same proce-
dure as above, but empty the system completely, as
the liquid does not offer any protection against frost.
Check that all plugs and drain cocks
are fully closed.
N.B. Some engines have zinc anodes on the plugs
and these act as sacrificial anodes in the cooling
system. An anode must be replaced when about
50% of its volume has been used up.
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