THE PRINCIPLES OF AIR BLOWERS To create a vacuum, an air blower employs a rotating impeller/rotor. This vacuum forces air into the blower. The air enters the impeller's center and is divided by the revolving blades. Centrifugal force accelerates the air and expands the volume of the air stream withi

Air filter cleaning instructions1. Open the suction grille in the Air filter and press the buttons on both sides to pull down gently;2. Drag the hook on the air Air filter to pull the Air filter obliquely downward;3. Use an Air filter like a vacuum cleaner to remove dust from it, or rinse it with wa

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