Safe power extraction

Unplug the power safely.

Remove the protective fence

Remove the fan blade guard bar.

Gently push the fan blades.

Gently push the fan blades by hand. Can you feel the blade a little tight during pushing? If you push the fan blades a little tight, it's not normal! )

Fan blades are too tight.

When the fan blades are in urgent need of maintenance (it is caused by the dry lubricating butter of Madanes! You can remove the motor correctly and add butter! )

The fan blade is not tight

When the blades are not in a hurry to be repaired (there is an aging starting capacitor next to the motor, just replace it and replace it with the same capacity! )