Use the hex key/allen key
to tighten the four screws
in place on both sides,
holding the supporting
rods firmly.
Securely tighten the bolt
joining the connecting wire
to the base frame.
Remove the three cables
tied to the base frame and
sort out the rotation lock
wire.
Unscrew the eight screws
from the top of the
supporting rods and store
them for the future use.
Insert the bolts of the back
support to the square holes
at the top of supporting
rods, and ensure that the
stickers “1” and “4” are
aligned.
Tighten the screws on each
side to the vertical tube at
the top of the supporting
rods.
12
13
11
14
15
16
17
