1.The chairback and the chair seat connection,with the 8*28MM grub screw,put the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.
2.Arm rest and chairback connection,with chair seat connection when with the 6*20MM grub screw,with the 8*28MM grub screw,puts the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.Connects with the chairback when with the 6*25MM grub screw,puts the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.
3.The chair foot and the chair seat connection,with the 8*28MM grub screw,put the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.Installs other three feet in turn.
4.The support and the chair foot connection,with the 6*20MM grub screw,puts the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.The support and support's intersection with the 6*18MM outside helix angle,puts the plain cushion and the spring pad,twists with the spanner the cap nut,covers the plastic hat.