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Maintenance: Freshwater system
40
Anti-freeze mixture
When there is risk of freezing, a mixture of 50% Volvo
Penta anti-freeze (glycol) and 50% water (complying
with ASTM D4985) must be used. This mixture will
protect against freezing down to approx. –40
to be used all year round.
IMPORTANT! Even if the temperature never
falls as low as –40
above should still be used to provide adequate
anti-corrosive properties.
Mix the glycol with water in a separate container befo-
re filling the cooling system.
WARNING! Glycol is a health hazard (poison!).
IMPORTANT! Alcohol must not be used in the
cooling system.
Anti-corrosion mixture
Water (complying to ASTM D4985) mixed with Volvo
Penta anti-corrosion agent can be used as a coolant
when there is no risk of freezing.
Using an anti-freeze mixture all year round is recom-
mended, however, whatever the climate.
Mix as directed on the packaging. Run the engine
warm after filling to obtain the best effect of the additi-
ve.
If the operating time exceeds 500 hours a year, the
anti-corrosive protection in the coolant must be supp-
lemented with 1/2 litre anti-corrosion agent every 500
hours.
WARNING! Anti-corrosion agent is a health
hazard (poison!).
IMPORTANT! Never mix anti-corrosion agent
with anti-freeze (glycol). Frothing can occur and
severley impair the cooling properties.
°
C and is
°
C, the mixture specified
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