After the base has separated more it will be easy to fully remove it. Continue pulling the back edge of the gray base support, rotating it around the front tab until it comes off completely.
Take the 1.5 mm Flathead Screwdriver, or any thin elongated tool that fits into the semi-circular holes along side the AC power cord white wire. Press into the hole gently to release the grip on the wire.
The AC power cord wire should release with ease if done properly.
Take the 1.5 mm Flathead Screwdriver, or any thin elongated tool that fits into the semi-circular holes along side the wires. Press into the hole gently to release the grip on the wires.
The wires should release with ease if done properly.
Remove the screw at the center of the oscillator knob and remove the oscillator knob.
If the oscillator knob is clean and undamaged then the problem is with the oscillator. If the knob is damaged replace it and test your fan before proceeding forward in the guide.