How do I clean the PLASMA filter?

The PLASMA filter should be checked and cleaned once every month or more often if necessary. After removing the Panel-Cover, draw the Air Cleaner Bracket slightly sideward to remove the PLASMA filter. Dip the filter into water mixed with mild detergent for 20-30 minutes, then dry it in the shade for a day. Be careful not to cut the electric discharge lines while washing, and do not touch the filter within 10 seconds after drawing out the Air Cleaner Bracket as it may cause electric shock.