Place and fasten the beam CO on the posts AO, with the beam fixing screw QO by each corner
using an electric screwdriver and hex bit ZO-4 or Allen key ZO-3.
Repeat the process for the second time with the same remaining parts.
AO
AO
CO
AO
CO
AO
1.
ZO-4
QO
CO
2.
ZO-3
CO
AO
AO
34