1
.Insert the lower post assembly
(11)
the base assembly (16) and then fix
it tightly by means of 4 pcs M6X30
screws, and insert the clamp (12) into
the lower post (11). (fig.1)
2.
Join the Lower Post Assembly
(12)
and the Middle Post (9)
together with 3 pcs M5X6
screws (fig.2)