Maintenance and care
66
Danger:
There is a risk of burns and
scalding.
D
Top up with coolant (approx. 5 litres)
and refit cap
À
Before the engine is next put into oper-
ation (with the engine cold) check the
coolant level and top up if necessary.
1
Note:
The turbochargers must not be bled while the cooling system is being topped up.
Danger:
If, in an
exceptional
case, the coolant level has to be checked in an engine that
has reached operating temperature, first carefully turn the cap with safety valve
to the first stop, let off pressure, then open carefully.
Note:
Don’t open the cooling system when the engine is at operating temperature.
This causes a pressure loss in the cooling system.
Coolant pressure in the expansion tank is only built up again when the engine
has cooled down. The cooling system must therefore only be filled up when the
engine is cold.
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