So I found this air conditioning pump today and I am curious to what I have. I remember reading a long time ago somewhere that the York pumps where oil lubed instead of with freeon and that they could be converted into air compressors. Have I found the pump I have been looking for? Is there a way to change the clutch over to serpentine or is it easier to machine a v belt pully off of the serpentine pulley on the crank? Isn't there a tech article somewhere on this?
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TO THE BEST OF MY KNOWLEDGE, all compressors have an oil lubricant wether it be mineral oil, ext, ext. Freon is just a fancy name for refrigerant, r-12 in older units like the one in question. the copressor relies upon the refrigerant to keep it cool. im sure you could convert it but wouldn't think that it would last real long.
Thats a rotary compressor, The one's that you are looking for look like little briggs and straten engines. The big ones are V-twins. Look for them in large american sedans early 60's to late seventy's. York is the right brand.
I dont know if you want to make a air conditioning compressor work. But if you are trying to rigg up something to run a impact off of like for a chase truck, you could use a air compressor like out of a semi truck they are biuld spacifcly for that reason. They have a governer that kicks in a like 90 psi and cuts out at 110, but you could look for different ones to suit your needs. All you would need then is a tank.
that looks more like a sanden compressor, york makes one that actually has an oil pan and dipstick. thats not it. it looks like the one i have on my pops 70 chevy truck. heres a pic of it on the left side as your looking at the pic
Just a quick note about using an AC compressor as an air compressor.....tap into the valve cover for the air inlet to the compressor, that way you don't have to use an external oil supply, or worry about seizing the compressor. It gets a mist of oil in the incoming air. My dad has a unit off a geo metro that is super small and puts out good pressure and decent cfm. He's got lots of miles and use out of it and hasn't had any problems. Another friend of his used the same compressor, but just used under hood air to supply air to the compressor inlet and he seized 3 of them in 3 trips before he wised up and changed his design.
It's warm....but doesn't seem to matter for what he's doing. It sure makes airing up the tires when it's time to hit the asphalt a lot easier compared to the old cigarette lighter pumps!
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