The facts were undeniable: my task chair's wheels had the ride of a Jeep traversing off-road terrain with a flat tire and roadkill stuck to the bottom. After weeks of home improvement projects, our apartment's floors had become dirty with an assortment of debris, half of which seemed to have found itself stuck onto the caster wheels. Combine that with the normal amount of dust and pet hair that accumulates on the floor, and it's no wonder my task chair wasn't rolling smoothly. It was time to get cleaning! Follow the instructions step by step above via slideshow, or with all images at once below.