To clean it and I actually just did mine wasn’t necessary to take it apart. Took me less than 10 minutes to do. I separated the bottom part and flipped it over. While holding it i took a sharp razor blade and made small repeated strokes cutting hair and debris. It did one section at a time then pinched it out with my hands. Vacuum is now spotless and didn’t have to go through the hassle of removing all those screws unless you need to replace the roller that is