2'' coupling (North America)

Change of the clutch
Unscrew the nut from the rear screw.v Remove with an exactly 49 mm long round steel bar with 12 mm Ø and a hammer the rear screw.
The round steel bar functions quasi as secure pin and punch. It now holds the hydraulic jack in position and remains in the hole.
Afterwards remove front screw, respect on socket in the accumulating pipe.
Clutch remove, new clutch position.
Drive by means of the rear screw and hammer the 12 mm pins out. The rear screw functions now as jack holder.
Nuts tighten, torque 8.6 mkg.