8MAINTENANCEPeriodic maintenance is required to insure that the Living Air Classic operatesproperly. A severely polluted environment can foul an Ecotech purification plate inas little as two weeks or as long as a year. Shown here are basic maintenanceprocedures that should be carried out to keep your unit running at top performance.EcoHelp filter cleaning:You have two options to clean the carbon lint screen:• When visibly dirty, simply remove the lint screen and with a hand-held vacuumremove the heavy particulate from the screen. This method will extend the life of thefilter.-OR-• When visibly dirty, remove the lint screen from the back of the unit and wash in hotwater, brushing gently with a toothbrush to remove particulate. Allow to dry prior tore-installing the lint screen.Ecotech purification plateCarefully remove the Ecotechpurification plate from thecard cage by grasping themiddle of the edge nearest toyou, and slowly pullingstraight out.Clean the plate with hot waterand ammonia. Dry completelyusing a hair dryer if necessary.Reinstall plate. Be sure tocheck that the electrical tabs are in contact with the plate.Plate Card CageAlso be sure to clean the white stand-offs at thecorners of the plate card cage. (A cotton swab withalcohol works well.)Fan Blade and Front GrillWipe off fan blade and front grill if dirty with dampwashcloth. The fan requires no maintenance (with theexception of the first time it is used, when it may benecessary to give it a gentle push to get it started). Ifthe fan squeaks, a drop of lightweight oil may beneeded on the fan shaft.