Align chair back (#1) to seat cushion (#2). Prepare bolt assemblies by inserting lock washer (#E) to the bolts (#D), then insert flat washer (#F) to the same bolts (#D). Secure by using an Allen wrench (#A). Prepare bolt assemblies by inserting lock washer (#E) to the bolts (#B), then insert flat washer (#F) to the same bolts (#B). Secure by using an Allen wrench (#A).