`
Step 3:
Lock the left and right swing lever (29L/R) into the main frame (1) with a long shaft (49), flat head hexagon
socket screw (33), spring washer (32), flat cushion (31) and D-shape washer (30); Then lock the connector (25)
on the left and right pedal (9L/R) with step bolts (26) and bushings (27).
Step 4:
Lock the left and right handrails (34L/R) on the left and right swing rods (29L/R) on the right way with a half
round head square neck bolt (35), a curved gasket (36) and a cap nut (37).
