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2. Servicing the liquid cooling circuit
OUT
IN
Image 2-10
Refresh cooling circuit
5. Switch on the projector. After projector boot-up procedure, the internal pump will automatically start sucking-up the fresh liquid
Note: Make sure that the end of the plastic tube remains immersed in the bottle with fresh cooling liquid.
6. Switch off the projector after 2/3 ofthefreshcoolingliquidissuckedupintothecircuit.
7. Proceed with expelling the air from the liquid cooling circuit. See procedure "Expelling air from the liquid cooling circuit", page 13.
Tip: You can use the bottle with the remaining fresh cooling liquid and the same tubes for the expelling procedure.
8. Pressurize the liquid cooling circuit. See procedure "Pressurizing the liquid cooling circuit", page 15.
2.5 Expelling air from the liquid cooling circuit
Necessary tools
• 2 x 60 cm of plastic tube with male 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. Close the vane.
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) fittingof 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 pis
ton.
d) Disconnect the filled tube from the syringe. Make sure that the tube remains immersed.
R59770032 COOLING LIQUID REFURBISHMENT 07/12/2006
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