11. Attach the Seat Handlebar (18) to the Seat
Carriage (11) with four M8 x 40mm Screws (56);
start all the Screws, and then tighten them.
12. Slide the Backrest Frame (14) onto the Seat
Handlebar (18).
Attach the Backrest Frame (14) with four M6 x
30mm Screws (51) and four M6 Washers (112);
start all the Screws, and then tighten them.
11
56
11
12
14
112
51
18
12
18