1. (A) 2 Spacers have been provided for use with the wheels that came with your screener. If you elect to use larger wheels you may remove the spacers to accommodate the larger wheel.
2. With Main Frame still lying inside box, upside down,install 1 spacer onto each axle.
3. Slide wheels (B) onto axles.
3. (C) Install (2) 1/2″ Wheel Retainers by tapping firmly with a hammer.