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Old 12-04-2016, 11:33 AM   #1
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Air hose

My air hose will not plug into the female coupler on the RV. Does it require a different male nipple. ?
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Old 12-04-2016, 11:52 AM   #2
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Originally Posted by Jerrysizemor View Post
My air hose will not plug into the female coupler on the RV. Does it require a different male nipple. ?
Probably, there are different sizes. Check the big box home improvement stores (Lowe's, Home Depot) they should have a variety of sizes. Check the area near the connector on your RV to see if there is one tie-wrapped the one of the lines somewhere.
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Old 12-04-2016, 11:55 AM   #3
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There are 2 different ones, mine if it's aired up is hard to plug in. Try inserting with air down to verify fit.
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Old 12-04-2016, 12:00 PM   #4
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My air hose will not plug into the female coupler on the RV. Does it require a different male nipple. ?
Thank you for the help. I'm thinking bout changing the female coupler as soon as I can figure out how to make sure there's no air pressure on it.
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Old 12-04-2016, 12:34 PM   #5
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If there's air pressure on the dash air gauges, then there's pressure on the coupling.

Your aware of how to connect them? The female end has a collar that slides back to allow the mail end to connect.
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Old 12-04-2016, 12:34 PM   #6
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Thank you for the help. I'm thinking bout changing the female coupler as soon as I can figure out how to make sure there's no air pressure on it.
Pump the brakes until the gauges say "0" then pull the tank drains for confirmation.
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Old 12-04-2016, 01:08 PM   #7
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Same problem here. Didn't know of the different sizes. Had to take my coach in for initial checklist of issues and that was on my list. Maybe they'll change mine out for me. If not, big box, her I come! Love these forums.
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Old 12-04-2016, 01:47 PM   #8
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I'm going to replace the coupling
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Old 12-04-2016, 02:56 PM   #9
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There are actually a dozen or so different shapes & sizes. You didn't mention what RV or chassis brand you have, but the most common types are the Industrial or Milton (Type M) and the Automotive or Tru-flate (Type T). I think most Fleetwood products come with a Milton Type M.

If you change the female instead of the male, you still have to know what type you need for your existing equipment.
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Old 12-04-2016, 03:00 PM   #10
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I changed the female coupler on mine to match what I have. I then took the female coupler that was removed and connected to another male nipple. I now have an adapter to the other size if ever needed.
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Old 12-04-2016, 03:37 PM   #11
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I found that if you put a little shutoff before the female fitting, it makes it significantly easier to plug/unplug. Got it at HomeDepot, think it was a couple bucks.

To install, drain air out of your system, unscrew the existing female fitting, wrap some teflon tape around the threads, screw on the new shutoff valve, reinstall your female fitting.

When you're ready to use.....plug your air hose in, then flip the valve 90 degrees to supply air to the fitting. When done, turn the valve back off then unplug the air hose.

Couldn't be any easier, and much safer.
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Old 12-04-2016, 03:45 PM   #12
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Did the same thing, put shutoff valve in and works great. Highly recommed it.
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Old 12-04-2016, 06:40 PM   #13
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Got it. Thanks for all the help.
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Old 12-05-2016, 03:34 PM   #14
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About replacing the female end - One of the uses for the coupling is for a tow truck to air-up the air suspension in case of a towing need. If the coupling is changed the tow truck may not carry the other adapter end.

Have a nice day - Darrel
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