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Unread 05-01-2013, 06:36 PM   #1
JimmyFW1
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?'s about DIY On-Board Air system...

I've got a 95 YJ, 2.5L.
The A/C crapped out a few years back, so I bought a replacement compressor & clutch combo on ebay, but never put it in.

I have decided to convert it into an on-board air setup, and I need help from those that have done it before.

I've got the compressor & clutch.

I've got an old water-pressured Fire Extinguisher that has a psi rating over 500 psi that I want to use as the holding tank. My thoughts were to mount the tank to the roll cage so it could be visible and look like a "working" old school extinguisher.

* What all do I need to make the conversion on the compressor?
* Your thoughts on using an extinguisher tank?
* Would/Should there be any safety concerns to the driver or passengers? (The tank is well rated for any pressure the compressor could generate)
* Are these compressors able to run an tools? How would I set it up to run a light duty air chisel, air rachet or air gun to break a wheel loose on the road??

Thanks in advance for your help...

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Unread 05-01-2013, 06:46 PM   #2
Anticanman
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The tank may need more than one inlet and outlet to work for your purposes.

Edit: Then when there really is a fire someone will grab it and you'll laugh and say "that's my air tank, thilly" as someone burns helplessly.
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Unread 05-01-2013, 07:14 PM   #3
JimmyFW1
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I thought that at first too. But this is a type that's meant to be charged and recharged with air pressure. Its got an air inlet for pressurizing and an outlet for discharging...
I will try to get a pic on here soon...
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Unread 05-01-2013, 07:51 PM   #4
Anticanman
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With a check valve on the input and a manifold on the output including a pressure release valve, your pressure switch and the outlet for your tools. I like to install a petcock of some sorts to drain the moisture that compressors inherently produce.

Can it be done? Yes.
Is it creative? Also yes.
Keep us updated on that facet. Otherwise there are plenty of places to mount a proper tank.
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Unread 05-01-2013, 08:14 PM   #5
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Quote:
Originally Posted by Anticanman View Post
With a check valve on the input and a manifold on the output including a pressure release valve, your pressure switch and the outlet for your tools. I like to install a petcock of some sorts to drain the moisture that compressors inherently produce.

Can it be done? Yes.
Is it creative? Also yes.
Keep us updated on that facet. Otherwise there are plenty of places to mount a proper tank.
I don't want to make a whole thread on this so...

I'm looking for a York. Have you ever seen a tank mounted in that huge open space under the battery?
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Unread 05-01-2013, 08:25 PM   #6
1998zj
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I used a fire extinguisher for my tank, I mounted it behind the rear seat. You don't need an inlet and outlet to the tank, one hose will do the trick. For lubrication, just remove the plug on top and shoot some grease into the compressor. Mine has been running fine this way for 5 years and you don't have to worry about your compressor spraying oil out. I made a manifold block out of aluminum with a bunch of ports with pipe thread. I put a gauge, quick disconnect, shutoff switch and a pop off valve on the manifold and a check valve coming out of the compressor.
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Unread 05-01-2013, 09:11 PM   #7
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Quote:
Originally Posted by Chrisnvegas View Post
I don't want to make a whole thread on this so...
Don't worry, I already did.

http://www.jeepforum.com/forum/f12/a...83/?highlight=
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Unread 05-02-2013, 09:15 AM   #8
jeepster93
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Quote:
Originally Posted by Chrisnvegas View Post
I don't want to make a whole thread on this so...

I'm looking for a York. Have you ever seen a tank mounted in that huge open space under the battery?
I used that space to mount my air storage tank. Not a big tank, a couple of gallons.
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Unread 05-02-2013, 01:10 PM   #9
vadslram
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500 PSI max is fine, If you even come close to that you'll grenade any air tools anyway. 100 psi works just fine. The only issue you're going to have it the pump cfm. It won't run an air tool so you will have to work in bursts (bad word dealing in pnuematics)
You can get a blow off valve at most home stores as well and Northern tool. If you want the mounting to look custom I would mount the valve and manifold under the hood close or on the pump. there is no need to have it mounted on the tank. You don't need to poke any holes for a condensate drain. Those are designed to have water in them and as long as you periodically take the tank of and drain it you will be fine.
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