Removed the dispenser, then the agitator with a 7/16 socket and 12 inch extention then the long plastic "U" lock. Next take the six phillips head screws out of the drive hub and remove the hub. Be sure to clean the splines on the drive shaft. Next align the hole in the hub with the base screw holes and tighten down the hub. Be sure the hub is all the way down and screws are tight. Next insert the plastic "U" lock and install the agitator and tighten securely with the 7/16 socket and extention. Add the dispenser and turn it on.