Check if the bearing rotates freely in the crankshaft flange. Replace the bearing if necessary.
Install the driven clutch disc with the protruding part of the hub towards the pressure plate.
Install the clutch cover, which, due to the presence of pins, can only occupy one position.
Screw the bolts securing the clutch housing to the flywheel and center the driven disk with a special mandrel that imitates the splined end of the primary shaft of the gearbox.
Tighten the clutch housing to flywheel mounting bolts crosswise. Make sure the centering mandrel moves freely in the splines of the driven disk hub and remove it.
Install the gearbox.