Apply some glue ZO-8 by both corners for maximum watertighness as shown in the drawing.
Then, to close the frame, fasten the front beam BO-1 onto the post AO with the screws QO, using an
electric screwdriver with the hex bit ZO-4 or the Allen key ZO-3.
BO-2
CO-2
CO-1
BO-1
QO
ZO-4
CO-1
BO-1
ZO-8
43