as Eric sez, those boxes are pretty straight forward, mostly you'll just need to clean it out and re-grease it, and probably replace the rubber [available from any repro vendor]
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
