STEP 1
Attach one Frame I ASSY (#1) and one Frame II ASSY (#9) to one Upper Connection
Bracket Frame ASSY (#4) and one Support Frame ASSY (#11), using:
eight M12*85 Socket Head Cap Screw (#19)
sixteen Φ13*Φ26*2 Flat Washer (#20)
eight M12 Nylon Lock Nut (#21)
Note: No Need To Tighten Bolts.
Assembly
20