Be convinced of free movement of a nave of a conducted disk on splines of an input shaft of a transmission. Lubricate the shaft splines with a thin layer of Moiykote Longterm 2 grease.
Install the 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 occupy only one position.
Screw and tighten slightly the bolts securing the clutch housing to the flywheel and center the driven disc with a mandrel 603, simulating the splined end of the gearbox input shaft.
Tighten the bolts securing the clutch cover to the flywheel in a crosswise pattern to the required torque. Make sure that the centering mandrel moves freely in the splines of the hub of the driven disk and remove it.
Install the gearbox.