Remove the chain using tool (X) no.
88713.1344.
The tool consists of a holder (A), a punch (B), a body (C) and two wrenches (D) and (E).
Fit the link to be opened into the holder (A).
Fit the punch (B) into the body (C) and manually undo the screw until the punch no longer protrudes.
Fit the holder (A) and the link into the body (C).
Manually turn the bolt (F) on body (C) so that the punch (B) gets against the pin, taking care that they are aligned. Fit
the hexagon wrench (D) into the hexagonal part of the body (C) and the wrench (E) onto the bolt.
Turn clockwise the bolt (F) until the pin comes out.