If the seed, beans, or nuts have not been pre-cleaned, a cleaner is provided to remove foreign material. Larger foreign material passes over the top screen and exits the cleaner. The material and smaller foreign material passes through the top screen. The material then passes over the bottom screen and exits the cleaner while small foreign material passes through the bottom screen and exits the cleaner.
We find it important to provide a cleaner to remove foreign materials if the seed, bean, or nut has yet to be cleaned.