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Maintenance: Freshwater system
Flushing the freshwater system
The system should be flushed before changing cool-
ant to avoid inferior cooling performance due to de-
posits in the cooling system.
IMPORTANT! Certain parts of the system are
made of light alloy. Chemical additives must
therefore not be used when cleaning.
1. Drain the coolant as described earlier.
2. Insert a hose into the filler opening in the heat ex-
changer and flush with fresh water.
3. Flush until the water running out of the drainage
points is clean.
4. Close all drainage points when all the fresh water
has run out.
5. Fill with coolant.
Changing the coolant filter
A coolant filter is available as an accessory. It filters
the coolant and adds anti-corrosion agent.
IMPORTANT! Do not change the filter when the
coolant is changed. The concentration of rust-
preventer in the coolant can become too high,
which would cause foaming and impaired cool-
ing.
WARNING! Hot coolant and hot surfaces can
cause burns.
1. Close the cocks (1).
2. Dismantle the filter using a suitable filter wrench.
3. Moisten the gasket on the new filter and screw on
by hand.
4. Tighten a further 1/2 turn after the gasket has
made contact.
5. Open the cocks (1).
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