I just got this older air compressor from my father and cannot find any identification for it. No name, numbers or anything that I can find to id it. I would like to rebuild it so I need to find parts. All I could find was a capital "L" stamped on the pump, but that's it. Any help would be appreciated. It does have a Kingston Conley motor on it. My father has had it since the late 70s and we used it all of this time. I believe it still works fine but would like to freshen it up.