When cutting covers, during adjustments along the system, the winged clamps are sometimes eliminated.To restore their seats, proceed as follows:
(1) Insert block (1) into the Ø 11.5 pre-drilled hole previously made in the cover
(2) Screw block (2) until it makes contact with the cover
(3) Insert a 40 mm spanner into the slot of block (1) for contrast
(4) Screw block 2 with lever (3) until full contact is made
(5) Unscrew completely and store the tool