cheap possible aircompressor
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Senior User
Joined: May 2003
Posts: 333
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From: South Dakota
cheap possible aircompressor
I want to build myself an air compressor because my dads one in our shed is about 60 years old builds pressure slowly and i cant afford to buy a new one my idea is to take a AC compressor out of my parts truck and put it in place of the old pump. But i dont know how these work, i tore one apart that didnt have any freon left hoping it was just like a small engine but found no cam or valves exept some valves that i have no idea how they werk. I thought i would tack weld the pully and flywheel together and leave one hose open. Is it possible to do this and can someone tell me how!!!
Posting Legend
Joined: Sep 2001
Posts: 30,255
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cheap possible aircompressor
The compressor may have had reed valves. There are tech papers around on how to set up a York type piston compressor for an air compressor. Try the search function here also for more info. I have had an old York compressor setup for years. You will need a filter on the inlet side to keep the dirt out of the compressor. You can just tack weld the pulley to the clutch. You MUST have a safety blow off valve plumbed into the outlet side of the compressor. You can buy these at local air tool supply stores.
Junior User
Joined: Jul 2003
Posts: 64
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From: New Mexico
cheap possible aircompressor
I had a ford piston-type compressor rigged in my IH PU until recently, as it is down for engine rebuild. Needed air, so mounted it and a delco alternator and small garden-tractor battery to a 9hp engine off a dead generac unit. Uses a standard pressure switch to control the a-c clutch (plus yes, a pop-off safety). The unit now is my shop air, and can double as a jump-starter.
Senior User
Joined: Mar 2003
Posts: 164
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From: ontario
cheap possible aircompressor
any way to use a fridge compressor always old fridges lying around???
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Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
cheap possible aircompressor
Nope, they don't pump near enuf volume, but some people use them to evacuate AC systems.
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From: Tottenham Ontario Canada
cheap possible aircompressor
Originally posted by Ds7776
I want to build myself an air compressor because my dads one in our shed is about 60 years old builds pressure slowly and i cant afford to buy a new one
I want to build myself an air compressor because my dads one in our shed is about 60 years old builds pressure slowly and i cant afford to buy a new one
Good luck.
Cheers,
Eric