Step 5:
Fix the backrest supports (11) on the
main
frame
(4)
with
M10X130mm (21), flat washer d10 (25),
spacer (32) and nylon nut M10 (29).
Fix the backrest (41) on the backrest
supports (11) with hex screw M6X35mm
(16) and flat washer d6 (22).
Attach the seat (42) to the backrest
supports (11) with hex screw M6X15mm
(15) and flat washer d6 (22).
Step 6:
Insert the leg extension par bars (9) into the leg extension (8) and then attach the foam rollers (40)
to the leg extension par bars (9).
Attach the leg extension weight support (14) to the leg extension (8) using carriage bolt
M8X45mm (54), flat washer d8 (23) and nylon nut M8 (26). And then add the spring hoop (31)
and rubber doughnut (36) as shown.
Fix the leg extension (8) on the leg extension support (7) with hex screw M10X60mm (20), flat
washer d10 (25) and nylon nut M10 (29).
hex
screw
13