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Unread 09-07-2004, 01:07 PM   #1
fredrader
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1947 CJ2A 
 
Join Date: Jun 2004
Location: Miamisburg,Ohio
Posts: 370
I want On Board Air but...

I want to install on board air on my jeep but I don't know what to get etc..I am a truck driver and everything I drive has air brakes and air tanks so I can just hook an air hose to a quick connect fitting and I have 120lbs of air pressure..I would like to have the same setup on my jeep but don't know if I can have it..I have seen 12v air setups like for the air lockers but I don't know if they have a tank or what..Any suggestions and how too's would be appreciated..Thanks,Fred

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Unread 09-07-2004, 01:34 PM   #2
jadams68
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1984 CJ7 
 
Join Date: Aug 2002
Location: Downingtown, PA
Posts: 2,898
It's somewhat more involved than that, but relatively painless.

I bought a 2.5 gallon air tank from onboardair.com, however you can get them from Quadratec too. If you want, you can grab a 4 galloon tank from a big rig truck salvage lot too.

All of these tanks have multiple, threaded openings. On my rig they are as follows:

1) Air intake line from compressor.
2) Air output to quick air connect for airing tires, or whatever.
3) Brass plug to block on port off.
4) Safety valve
5) Air release valve.

I bolted the tank through the bottom of my tub under my passenger seat, protected by the frame rail.

Now the compressor I used is a stock Sanden from a jeep cj that had air conditioning. On the intake port I have a small air filter from a lawn mower engine. The out put air hose goes to a manifold.

A manifold is a piece of metal with multiple threaded holes in it. You use this to screw in things like your Pressure Gauge, the hose going to the tank, and most importantly the Pressure Switch. This is what senses that the tank is at 120psi and turns off the compressor.

Email me if you have detailed questions. jadams68@verizon.net
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Unread 09-07-2004, 03:02 PM   #3
sircampsalot2
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Join Date: Jun 2004
Location: River Ridge,la
Posts: 248
With all that stuff wouldnt it be just as easy to buy the smallest air compressor you can find that reaches 125psi and bolt it under the seat and then run it off a power inverter? just wonderin
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Unread 09-07-2004, 03:07 PM   #4
jadams68
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1984 CJ7 
 
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Location: Downingtown, PA
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The electric compressors run very hot and have a lower cfm rate which means it would take 3x as long to inflate a 35" tire.

They also cost around 200 bucks... I did mine for about 100.
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Unread 09-07-2004, 04:45 PM   #5
fredrader
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1947 CJ2A 
 
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Location: Miamisburg,Ohio
Posts: 370
Quote:
Originally Posted by jadams68

They also cost around 200 bucks... I did mine for about 100.
Now thats what i'm talking about

If you have any pics and a few details it would be very helpful as to what I need to go and find and Fab etc..You can email it to fredrader@excite.com or post it..Thanks again...Fred
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90XJ Limited 4x4,4.0 Auto,NP242
Rustys 4.5" lift D30/D35,3.55 gears
Denman Farmhand Tractor Tires 33x9.50x16
Work in progress
http://smg.photobucket.com/albums/v2...0XJ%20Limited/
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