How to remove the knob of Liren electric baking pan

The removal steps of the knob of Liren electric baking pan are as follows.

1, the center of the upper cover has a small black circular convex part. This part is a small independent protective cover that can be removed.

2. pry it down with a tool with a cutting edge to expose a screw below.

3. This screw is the fixing screw between the outer cover and the upper plate. The upper cover can be separated from the upper plate by loosening.