LG AB-BL200X Owner's Manual page 8

Attaching the Vertical Stand Frame and Horizontal Stand Frame
2
Place the horizontal stand frame on top of the angle guide of the vertical stand frame,
insert a nut on each side, then fasten with two M8 x 15 mm bolts as illustrated with the arrow.
Then insert one bolt (M8 x 15) on each side.
Insert one nut on each side
Follow the same procedure to fix the nuts and bolts as required.
Example of Assembled Stand
8