Yueming CMA1325 Owner's Manual page 62

replacement required; during processing, frequently check water level to ensure sufficient water
or if the water temperature is over high (higher than 35℃).
Steps of replacing cooling water:
 Power off the machine and stop the laser device;
 Unscrew valve of water outfall of the water chiller for a thorough drainage of water
from the water chiller;
 Open protective cover of the water chiller and pour purified water into the water
chiller;
 Start up the machine, observe if the laser tube is filled up with water. After circulation
for five minutes, if there are still plenty of air bubbles in the laser tube, it is to open the
discharge valve inside the machine to expel air from the laser tube making cooling water fill
up with the laser tube.
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