15. Liquid cooling circuit
15.4 Expelling air from the liquid cooling circuit
Necessary tools
• Half a m eter of plastic tube with male v alved fitting.
• Half a meter of plas tic tube with female valved fitting.
• Bottle with cooling liquid (minimum 1/3 liter).
• Syringe equipped with male valved fitting.
• Female/female tube adapter (short tube with female v alved fittings at both sides).
•Cloths.
How to expel the air from the liquid cooling circuit ?
1. Interrupt the liquid cooling circuit by uncoupling the valved fitting at t he heat exchanger.
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Image 15-20
Uncouple heat exchanger
2. Fill a plastic tube, which contains a male fitting, with cooling liquid as follows:
a) Connect a tube, which contains a m ale (M) fitting, to the male (M ) fitting o f the syringe using a female/female (F) tube adapter.
b) Emerge the tube end and m ake sure that the piston of the syringe is completely pressed in.
c) Extract cooling liquid into the syringe by pulling out the piston.
d) Disconnect the filled tube from the syringe. Make sure that the tube remains imme rsed.
R5905312 HDF W SERIES 24/01/2013
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