Replaced belt, pulley with a 4 grove pulley. Pulley that was on there was a 3 grove pulley, Had to cut the old one off, Press on to shaft.
Replaced rear drum bearing. Bearing was locked on with a snap ring. Access to it from a removable plate on the back side of dryer.
Reset belt and idler puller by removing a long back plate on the bottom rear side of the dryer.
None of this was shown in your Video.