3.1) Attach Seat Panel(D) to Left Leg Panel(C) using Bolts(②), Spring Washers(③), and Washers(④)
with Allen Key(⑤).
3.2) Attach Seat Panel(D) to Left Leg Panel(C) using Bolts(①), Spring Washers(③), and Washers(④)
with Allen Key(⑤).
Do not fully tighten the Bolts.