MAINTENANCE, SERVICING AND CLEANINGThe NYOS® Quantum® skimmer can be completely disassembled formaintenance, cleaning and servicing. This is done in the order of thesteps described below.Step 1: Remove the device from the filter tank• Unplug it.• Remove the device from the water and empty it.Step 2: Disassemble the skimmer• Remove skimmer cup and air tube. Remove the venturi system.• Open the four screws on the skimmer body and remove them.• As needed, pull lightly on the water level control tube and remove therubber seal on the lower end. Now, remove the tube completely.• As needed, remove the air adjustment screw and the black screwbeneath the sound absorber. Then, you are ready to remove and dis-mantle the sound absorber including its supports.Step 3: Removal and disassembly of pump• Remove the bubble plate unit by turning the titanium screw in thecentre of the twister. Then, remove the union nut, which connectspump and bubble plate unit (not necessary in Quantum® 120).• Open the titanium screws on the pump holdings. Carefully removepump holdings and pump.• Remove the four screws on the pump housing.16