 | Bring the return lever
"1" back to the initial position. |
 | Close the brake control lever
"2". |
 | Insert a 4mm Allen wrench in the
bottom (drawing 5A and 5B). |
 | Keep this wrench immobile and use
a second 4mm Allen wrench to unscrew the
retaining screw on the top (drawing 5C). |
 | CAUTION: to unscrew, turn left for
the LH control and right for the RH control. |