Engine preheating
IntroductionControl and regulating unit for air conditioning system -J127
This control and regulating unit switches off the
refrigerant flow through the second evaporator if the
temperature at the cooling fins of the second evaporator falls
to the freezing point of water (icing protection).
...
Balancing wheel, conditions
Before you start balancing the wheels, the following
requirements must be met.
Tyre pressure must be OK.
Tread must not be worn on one side. Tread depth should be at
least 4 mm.
T ...
Charge factor
There must be space both for liquid and vapour in a
container. As the temperature rises, the liquid expands. The
space occupied by the vapour becomes smaller. Eventually, there
will only be liquid in the container. After that time, even a
small increase ...