3.2. Assembly of main structure
3.2.1. Place Base Plate (2 pcs, front & rear) in position on ground
3.2.2. Put Carriage onto the Base Plates and place head side of Carriages on the
side of Post No. 2&3.
3.2.3. Put Platform onto Carriage, and bolt them together.
Head Side (with Chain Joint)
Tail Side (with Roller)