2-5
1
1
2
2
3
4
5
6
7
2
2
3
Closed thermostat
The thermostat is closed if the temperature of the cooling liquid drops below 75° C. The water pump 1 pumps the cooling liquid
through the cylinder and cylinder heads
2 and the thermostat 3.
Open thermostat
The thermostat 3 opens at 75° C. The water pump 1 pumps the cooling liquid through the cylinder and cylinder heads 2, the
aluminum cooler
4 and the thermostat. The pressure in the cooling system (max. 1.4 bar) is regulated by a valve in the radiator
cap
5. The cooling liquid level in the compensating tank 6 must be between the MIN and MAX marks when the engine is cold.
The fan
7 switches on at 102° C.
Cooling system
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