I. Align the seat cushion (#2) to the pre-drilled hole on the chair back (#1). II. Prepare a bolt assembly by FIRST inserting the lock washer (#D) onto the bolt (#C) then the flat washer (#E) onto that same bolt (#C). Insert into the center hole of the seat cushion and secure using the wrench (#F). Prepare 4 bolt assemblies by FIRST inserting the lock washer (#D) onto the bolt (#A) then the flat washer (#E) onto that same bolt (#A).