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On Board Air Build

Posted: Tue Jan 20, 2015 9:58 pm
by jparker
Hey guys,

I am new around here and fairly new to the jeep spectrum of enthusiasts as a whole. I have been modding my jeep slowly and figured it was time to take a step higher, and actually challenge myself with something other than a bolt on kit. I was thinking on board air would be a great addition to the jeep. I started out thinking that an ARB kit and a tank would be all I need, but upon more research I have read that the engine driven OBA setups are far more "capable" route. So before i just jump in and do this, is there anything on here that you guys could recommend? I've heard that most a/c setups are fairly universal, and i am pretty good with plumbing and how that all works. I was thinking instead of dropping over a grand on buying a kit, that i could salvage an old a/c and buy the extras (Manifold, fittings, etc.) at a hardware store for a fraction of the cost. Any input would be great! Thanks for reading :handgestures-thumbupright:

Re: On Board Air Build

Posted: Tue Jan 20, 2015 10:16 pm
by Kurt
DIY!
I've done converted A/C compressor OBA systems on my two Jeeps.
The 1992 YJ was retrofitted with a Sanden compressor from an old XJ.
My 1997 TJ's failing A/C system was retrofitted to be an OBA system.

It's very easy to do. If you can screw fittings together and do some simple wiring you can do it. :)
You can get the in line oiler and coalescing filter at Harbor Freight.

Some pics of the TJ setup...
Coalescing filter, oiler and pressure switch

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2.5 gallon tank - helps with speeding airing up and running air tools for trail repairs.
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Optional cooler for the compressors output in front of the radiator. (Just a basic tranny cooler that's been re-purposed)
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Re: On Board Air Build

Posted: Tue Jan 20, 2015 10:48 pm
by jparker
Good help, it sounds like something I will be starting in the next couple weeks. First things first, finding the compressor! Thanks for the input