STEP 1
Assemble the foot pedal component (D) to the corresponding position of
the track components (E, F), and pre lock it on top with an internal
hexagonal flat head screw (60) and nylon nut (67).
Then assemble the rear connecting plate assembly (O) to the
corresponding position of the track components (E, F), and pre lock it on
top with an internal hexagonal flat head screw (39) and a hexagonal cap
nut (76).
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