I have just completed the restoration of my third Powermatic 66. This one was built in 1966. I traveled to Michigan to get it. It was not in to bad of shape for being 44 years old. The motor was burnt up, the dust door was missing & some rust. I tore it completely apart, cleaned and painted everything. Changed the arbor bearings & installed a 3 hp 1 phase motor. I do have one hangup though. The saw has a Powermatic overhead blade guard. I have never seen one of these before & never seen a picture of one. It looks like there should be a top cover for the guard. Would anyone know what type of material this cover would have made of & the size it should be?