Ombréa Adossee 3x3M Instrucciones De Montaje página 58

Loosen the metal plates at both ends of the B1 beam (do not unscrew them completely).
Insert the beam B1 into the A post simultaneously on both sides. The metal plates must slide into
the grooves of the posts.
Tighten the metal plates using tool Y.
Repeat the same operation for the B2 beam.
58