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Old 07-21-2019, 02:45 PM
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Moisture from on board air

Installed arb twin air compressor on my 2dr jk. Air fittings at front and rear bumpers. Finally got to use the other day to air up 4 tires (315/70-17). Noticed a lot of moisture in lines. White moisture when removing air chuck.

What do you folks do to minimize it? Air tank, cooled cooler, water trap?

Thx

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Old 07-22-2019, 12:25 AM   #2
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Drain the tanks often. Do not run OBA unless necessary.

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Old 07-22-2019, 08:37 AM   #3
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It is the same as any compressed air system. When you compress air you force the moisture out of the air. So you want to drain the tanks when you de-pressurize them.
Aluminum tanks are as sensitive to the moisture as steel tanks are, but the moisture will still cause issues with whatever they are supplying compressed air to. You can put a moisture trap in, but I doubt that is required. Just drain the tanks on a regular basis.
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Old 07-22-2019, 09:02 AM   #4
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i didn't read into the post that there were tanks involved
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Old 07-22-2019, 05:34 PM   #5
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ARB twin doesn't have tanks. I don't worry about it. Rubber and coated aluminum wheels don't care about moisture. If it bothers you, add a water separator like big air compressors use. Not sure how'd you mount it.
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Old 07-22-2019, 05:35 PM   #6
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I run a moisture trap at the end of the air line, just before the air gauge / chuck. It collects a significant amount of water, especially when it's really humid outside.
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Old 07-22-2019, 06:38 PM   #7
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Quote:
Originally Posted by zimm View Post
ARB twin doesn't have tanks. I don't worry about it. Rubber and coated aluminum wheels don't care about moisture. If it bothers you, add a water separator like big air compressors use. Not sure how'd you mount it.

LOL!
Well... maybe in FL, rubber and coated aluminum wheels don't care about moisture, but in paces where it goes below freezing they sure will care.
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Old 07-24-2019, 01:54 AM
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Thanks guys. Yeah I don’t have any added on tanks but figured it would be good to have so water can collect on bottom where it can be drained but not much room on 2dr jk.

I just ordered some moisture traps to put inline. Hopefully that works.
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Old 07-24-2019, 01:22 PM   #9
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Quote:
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I run a moisture trap at the end of the air line, just before the air gauge / chuck. It collects a significant amount of water, especially when it's really humid outside.
Can we see a picture of this?
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Old 07-24-2019, 09:26 PM   #10
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Can we see a picture of this?
https://www.homedepot.com/p/Husky-3-...03AV/100040942
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Old 07-24-2019, 11:52 PM
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Got these coming in. Will use at end of air lines. Hopefully does the job.


https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 07-28-2019, 03:39 PM
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Got the moisture traps installed.
Untitled by Ray zor, on Flickr

They work great! No more excessive moisture after filter. And it’s got a little drain (Schrader valve) to bleed water out.

Untitled by Ray zor, on Flickr

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