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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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air pump repair
There's a little air pump on my torpedo kerosene heater. It wants to bind
and stall, kicking out the overload. I just found out a replacement heater is $300. I took the whole thing apart. Its just a hockey puck, made of EDM carbon graphite, with four sliding vanes sitting off center in an aluminum chamber. I cleaned everything, finishing with Brake Clean. Then put it all back together and used just a dab of dry graphite lube on all the surfaces. "The Kid" tells me he did the same thing three times last winter. Any suggestions? I'm thinking of using my graphite magent on my surface grinder and shaving a thou off each face of the hockey puck shaped impeller. Good Idea? Or will the extra clearance kill it? Karl |
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