Step 7:
Attach the leg extension weight support (14) to the butterfly arms (43L/R) 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.
Attach the butterfly arms par bars (45) to the butterfly arms (43L/R) using carriage bolt
M8X45mm (54), flat washer d8 (23) and nylon nut M8 (26). And then insert the butterfly arms
par bars (45) into foam rollers (40) and then insert into hole of the leg extension (8), finally add
the foam rollers (40) as shown.
Fix the butterfly arms (43L/R) on the uprights (2) with knob nut M10 (48), flat washer d10 (25),
bushing (49), shaft housing (47) and hex screw M10X125mm (46). And then insert the pin (30)
into the uprights (2) and cover the nut cap S15 (50).
14