ASSEMBLY STEP 2
Take out the main frame(1), one piece of Knob Nut (M*10) (10), two pieces of Hexagon Head Screw(M10*55)
(12), one piece of Nut (M*10),one piece of Safety-hook (D10*60). Install them to the module shown in the
picture. Align them in the accurate hole position and tighten them.