STEP 3 (See Diagram 3)
A.) Attach the Seat Bracket (#10) to the pivot on Main Seat Support (#7). Attach the two Backrest Supports (#9) to the Seat Bracket from each side. Secure them together with One M12 x 7 1/8” Hex Bolt (#31), two Ø 1” Washers (#39), and one M12 aircraft Nut (#42).
B.) Attach the Backrest Board (#17) to the Backrest Supports. Secure it with four M8 x 1 5/8” Allen Bolts (#37) and four Ø 5/8” Washers (#41).
C.) Attach the Seat Pad (#16) to Seat Bracket. Secure it with four M8 x 1 5/8” Allen Bolts (#37) and four Ø 5/8” Washers (#41).
