9
8.
Attach the Backrest (18) to the two Backrest
Frames (16) with four M6 Washers (42) and four
M6 x 40mm Screws (48).
Do not tighten the
Screws yet.
9.
Grease an M10 x 140mm Bolt (50). Attach the
Backrest Frames (16) to the Seat Carriage (7)
with the Bolt, two M10 Washers (41), and an M10
Nylon Locknut (40).
Do not overtighten the
Nylon Locknut; the Backrest Frames must be
able to pivot easily.
Tighten the four M6 x 40mm Screws (48) used
in step 8.
10. Orient the Seat (19) with the wide end toward the
Backrest (18). Attach the Seat to the Seat
Carriage (7) with four M6 x 25mm Screws (49).
8
10
9
19
18
Wide
End
49
48
48
18
16
42
42
7
49
50
41
41
40
16
7