I like to take the 3 pin driver and slide it over the driveshaft to make sure it turns freely.
I aslo take the clutch disc and slide it over the 3 pin driver to make sure everything is alined.
I like to use brake clean to remove oil from clutch disc and pressure plates.
The first thing I like to do is install the pin that holds the pressure plate hub.
Next thing to make sure the pressure plate hub slides over the pin. The pressure plate did not slide over the pin.