Bimar VTM310 Folleto De Instrucciones página 14

E. Slide the support screw (4) into its seat.
F. Tighten the safety screw (10).
G. Block the support screw using the handle nut (9).
H. Tighten the rais/lower friction screw (3).
At the end of the operation, check that the fan head and the rod are assembled
solidly and correctly.