．
Find a suitable Phillips screwdriver and unscrew the center base.
two
When the screw is sufficiently loose, it is unscrewed by hand, so that the base is loose and taken out.
three
When taking out the base, it is best to tilt and choose the place with the largest diameter in the washing machine bucket to take it out, otherwise it will get stuck and cannot be taken out.
four
After taking out the base, you can see that there are a lot of dirty things in the inner cylinder, and wipe it clean with a wet rag.