Assemble the bottom frame onto the flat with screws (x2).
1. Place the plane of the board facing down on the axis of the Bottom Frame.
2. Place the front steering frame on the axis of the bottom frame.
3. Place the Gasket on the shaft of the bottom frame.
4.
Lock the shaft with a nut. Note that it cannot be locked, and a gap is required to
rotate the Front Steering frame.
6