82
6 Maintenance
Coolant replacement
Every 1000 operating hours.
65 Filling the cooling system
• Remove the cap of the filler neck on the top
of the heat exchanger housing.
• Remove the bolt from the upper side of the
thermostat cover, so that air can escape
from the cooling system.
• Fill the cooling system.
Use a mixture of 40% antifreeze (ethylene-
glycol based) and 60% tap water or use a spe-
cial coolant.
For specifications see page
.
Coolant quantity
:
litres
Imp. pt
US pt
M2
:
2.2
3.9
4.6
M3
:
3.0
5.3
6.3
M4
:
6.5
11.4
13.7
C
aution
Never fill the cooling system with sea wa-
ter or brackish water.
n
ote
For a keel-cooled version, see page
If a water heater is connected, see page
and
17
VD00988
VD00987
Содержание M Series
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