1.LOOSELY assemble the TOP CROSS MEMBER (1) onto the two UPRIGHT FRAMES (2) using four M10 X 70mm SCREWS (3), eight 3/8" SAE WASH- ERS (4), and four M10 NYLOCK NUTS (5) as shown.
2.Assemble the BOTTOM CROSS MEMBER (6) onto the two UPRIGHT FRAMES (2) using four M10 X 140 SCREWS (7), eight 3/8" SAE WASH- ERS (4) and four M10 NYLOCK NUTS (5) as shown.
3.Tighten all SCREWS and NUTS securely.