Join headboard (1) to legs (7) as shown in the diagram. Secure parts (3) and (4) together using bolts (B) and washers (D) as shown.
Attach assembled supports (3,4) to headboard (1) and footboard (2) using bolts (B) and washers (D) as shown. Secure legs (8) to mattress supports (5,6) using bolts (C) and washers (D).
Place mattress supports into frame assembly and secure using bolts (B) and washers (D).
