Always unplug the fan before cleaning. Use the Allen key to loosen the safety screw on the front grille, rotate the grille to unlock it, and lift it off. Loosen the blade nut, lift the blade off the motor shaft, and rinse the blade, blade nut, and front grille by hand with mild detergent. Let all parts dry completely before reassembling. Wipe the exterior and rear grille with a soft, slightly damp cloth — do not immerse any other parts in water.

Slide the blade back onto the motor shaft and tighten the blade nut. Align the front grille and rotate it until it locks, then tighten the safety screw with the Allen key. If the fan vibrates after reassembly, the blade nut maybe loose — tighten it and retest