Refill of empty system
NOTICE!
Mix the correct amount of coolant in advance
to ensure that the cooling system is completely filled.
Refer to Technical Data, page 86 for the correct
coolant volume.
1 Check that all drain points are closed.
2 Only open the filler cap (1). Do not open the
pressure cap.
3 Fill with coolant, so that the level is between the MIN
and MAX marks. Fill slowly, to allow air to flow out.
4 Start the engine when the cooling system has been
completely filled and bled. Open any bleeding
nipples a short while after starting, to allow trapped
air to escape.
If a heating unit is connected to the engine cooling
system, the heat control valve should be opened
and the installation vented during filling.
5 Run the engine at idle a while. Increase engine
speed to 1600-1700 rpm over three minutes.
Check the coolant level.
6 Start the engine and run it until it reaches operating
temperature (thermostat open). Check the coolant
level again, top up as necessary.
7 Carry out a follow-up check of the coolant level after
approx 1 hour's operation.
Maintenance
67
47711083 09-2018 © AB VOLVO PENTA
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