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My new onboard air system.
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=63504
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Author:  Jeepin'WNC [ Thu Nov 03, 2011 10:06 pm ]
Post subject:  My new onboard air system.

I recently purchased this Craftsman portable compressor. http://www.sears.com/shc/s/p_10153_12605_00915309000P?blockNo=7&blockType=G7%2F&prdNo=7&i_cntr=1320369463181 Then I purchased a 1000 watt continuous/ 2000 watt peak inverter made by Vector. I connected the inverter to the battery with the short 6 gauge cables that came with it for a test run. The compressor took 800 watts to run according to the digital gauge on the side of the inverter. I mounted the inverter to the side of my subwoofer box and wired it to the existing distribution block using 4 gauge power cable. Under the hood I have a 100 amp Maxi fuse; I have another 100 amp fuse in the distribution block. I also ran a 4 gauge ground cable all the way back to the battery's negative terminal per the inverter manufacturers directions.
I have approximately $220 dollars in this onboard air system, not counting the dual amp wiring kit that I already had. It takes up a decent amount of space, but as the compressor is portable, it can be easily removed.
In my research I haven't seen an air system as simple, with the features that I have for the price. The compressor generates 2 SCFM@ 90psi and has a 1.5 gallon tank with pressure gauge, and an adjustable output pressure regulator with gauge. The compressor pressure switch is set for 85psi on 150psi off. The compressor came with a 25' coil air hose and a tire chuck; I added a T-fitting with a quick connector on either end at the output of the compressor for ease of use and future use with a locker.
In using a 120 volt AC current compressor, and running an inverter to power it I now also have two AC outlets in the back of my Liberty!

Author:  JL Rockies [ Thu Nov 03, 2011 10:44 pm ]
Post subject:  My new onboard air system.

So... what's the duty cycle of that compressor?

Author:  dieselenthusiast [ Thu Nov 03, 2011 10:55 pm ]
Post subject:  Re: My new onboard air system.

I’m smart enough to follow along, but I don’t have enough experience with onboard air to know what I’m doing. Do you have any pics? It sounds like you have a pretty nice system and well thought-out.

Author:  Jeepin'WNC [ Thu Nov 03, 2011 11:45 pm ]
Post subject:  Re: My new onboard air system.

To JL: I didn't even think about checking the duty cycle of the compressor when I bought it. I can't believe I forgot to check that!!! I'm usually pretty good at keeping up with owners manuals, but I can't seem to be able to find the one for the compressor at the moment. I'll look around a bit and see if I can find a duty cycle...
To Diesel: I just finished putting this in the day before yesterday. I'll see about gettin' some pics.
Thanks for checking out my post

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