Specifications

86
4 Raw water cooling system
• Closetheseacock.
• Removethelidofthewaterstrainer.
• Ifnecessary,cleantherawwaterstrain-
er.
• Connecttherawwaterintaketoafresh
water (tap water) supply or a tank con-
taining fresh water. Open the tap and
allow the engine to idle for at least 5
minutes to remove any salt and con-
tamination from the raw water cooling
system.
Make sure that there is a sufficient sup-
ply of water to prevent the engine from
overheating.
• Stoptheengineandclosethecock.
• Theexternalwatersystemmustbepro-
tected in areas where the temperature
drops to below zero during the winter.
Pour 1 litre (1/4 gallon) of anti-freeze
into the water strainer and run the
engine until the anti-freeze has disap-
peared into the cooling system.
5 Winter storage procedure
VD00125
Tip!
Combine flushing the raw water cir-
cuit with fresh water with running
with the protec
Heat exchanger
Only clean the heat exchanger if this
is absolutely necessary, see page
74
Raw water pump
Check the impeller of the raw water
pump at least once every two years,
see page 65.