I remove the top but don't know how to remove part under the top.
Answer Hello Rozina. Once the cap is removed, you will need to remove the bolt in the center to remove the agitator from the unit.
Trying to remove/ replace a Agitator. Is there a video for this?
Answer Hello John Doe. Remove the cap by pulling it off and then the dust cover under it. Next, remove the screw and lift out the agitator.