Commissioning
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Carefully read the Assembly Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
6.2 Commissioning Coolant System
When inspecting the coolant circuit make sure that
S The coolant circuit can be quickly filled (w 8 l/min);
S The coolant circuit is completely vented;
S No vacuum can be produced ahead of coolant pump (cavitation);
S A system pressure is achieved in the cooling circuit (0.4-0.5 bar static) and is maintained after engine is
turned off;
S The required coolant flow rate is achieved in the coolant circuit at max. permissible coolant temperature
and with mixture valve completely opened;
S No coolant leaks out of coolant circuit even when engine is turned off at a high temperature;
S Approx. 10% of the coolant quantity can be drained from the expansion reservoir until air is swept along
in the filling line;
S The coolant circuit including engine and heat exchanger can be completely drained;
S Air bubbles are released from the coolant;
S No air pockets are present in cooling system;
S Hose connections are accessible for maintenance.
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