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Old 05-31-2015, 05:49 PM   #1
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Where is (is there) an air jack on my Berk?

Hi folks,

I have a 2008 Berkshire 390QS and I've seen folks talking about an air jack (port) on their rig which is really an air inlet for a tow truck. But I've read that it can be used as an air supply to pump up tires, etc.

I was under the impression that if you had air brakes/air susp., such a port would exist. I've looked all over my front end (around the gennie) and I can't find one...

Did FR not include one back in 2008? If I'm looking in the wrong spot, I'd sure appreciate a pointer!

Thanks,
Mark...
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Old 05-31-2015, 07:05 PM   #2
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Firewall behind generator on most.
Not sure about 2008.
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Old 05-31-2015, 08:22 PM   #3
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Firewall above generator on 2009 390QS?
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Old 06-01-2015, 05:22 AM   #4
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On my 2014 390 FL. Up near top of firewall above generator on passenger side

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Old 06-01-2015, 06:44 AM   #5
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I had an '08 and it was in the same spot.
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Old 06-01-2015, 07:52 AM   #6
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On my "08" the location and plug was there but I had to have the actual fitting installed.
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Old 06-01-2015, 09:45 AM   #7
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Can u install the fitting yourself??? I'd like to install one in mine... An precautions I should know about??



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Old 06-01-2015, 10:08 AM   #8
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No problem. Go to Napa get a quick connection fitting. Take out the plug put new fitting. Easy

Russell
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Old 06-01-2015, 11:58 AM   #9
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Should I deflate my air bags to remove some pressure??? If I pull that plug as is, won't it be under 125 psi ?


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Old 06-01-2015, 03:07 PM   #10
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Ok, so the $64,000 question, is it a 1/4" or 3/8" fitting?
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Old 06-01-2015, 03:23 PM   #11
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If the compressor can keep up get the 3/8 but the 1/4 will do.
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Old 06-01-2015, 04:14 PM   #12
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Quote:
Originally Posted by ernest917 View Post
Should I deflate my air bags to remove some pressure??? If I pull that plug as is, won't it be under 125 psi ?


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Pump your brakes to bleed off all the air. All of it!!!

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Old 06-01-2015, 08:22 PM   #13
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Pull all three lanyards located in the front wheel wells. That will drain all the air in the tanks.



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Old 06-04-2015, 08:35 AM   #14
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1/4"
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Old 06-06-2015, 10:22 AM   #15
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It seems like some of the 08s didn't come with the valve. Mine didn't I installed my own. Jim
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Old 06-06-2015, 11:10 AM   #16
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My 10 berk has one. it doesn't have a vale on it. But comes straight in top right on the brace.


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Old 06-06-2015, 12:00 PM   #17
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I moved the air horns downward and hung 50 ft of air hose next to the air coupling. I'm sure there are other ides, but maybe you would be interested in this one - LOL
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