6-Fix the plastic covers(E&F) to right
side of the backrest.
8-Fix the Control unit to the base of
the seat (Note:The lever of the
control unit should be on the right).
5-Attach the backrest to the
seat,tighten screws of both side
(Note:Please do not only tighten
screws tightly on one side,otherwise
it will be difficulty to tighten the
other side).
11
7-Fix the plastic covers(G&H) to the
left side.
9-lnsert the gas lift in the control
unit.