16. FLM liquid cooling circuit
16.8 Expelling air from the liquid cooling circuit
Necessary tools
• Half a meter of plastic tube with male valved fitting.
• Half a meter of plastic 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 valved 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 the heat exchanger.
Tip: Sometimes a little cooling liquid will be spilled. Wrap a small cloth around the valved fitting while uncoupling to absorb
the spilled cooling liquid.
2
1
Image 16-23
2. Fill a plastic tube, which contains a male fitting, with cooling liquid as follows:
a) Connect a tube, which contains a male (M) fitting, to the male (M) fitting of the syringe using a female/female (F) tube adapter.
b) Emerge the tube end and make 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 immer
sed.
bacd
M
F
F
M
Image 16-24
Caution: It’s important that there is no air inside the tube. The pump is not self priming and hence is only capable of sucking
through small volumes of air.
3. Push the male valved fitting of the filled tube into the female valved fitting at the heat exchanger. This is the entrance of the liquid
cooling circuit. Make sure that the inlet of the filled tube remains immersed.
4. Couple the other plastic tube, which contains the female valved fitting, to the other side of the cooling circuit and immerge the
tube end without fitting in the same bottle wherein the first tube is immersed. This is the exit of the liquid cooling circuit.
170
R59770072 FLM SERIES 19/03/2007
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