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Old 11-25-2015, 08:34 PM   #1
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Tire Air Chuck Issued

Got a new Porter Wagner compressor for the MH, but several air chucks I have tried will not fill tires and definitely the air chucks. Does work with the small chuck that came with the compressor, but none of the double head chucks I have tried. Air pressure is not the issue, so is there some type safety check valve in the chucks??

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Old 11-25-2015, 08:55 PM   #2
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Do you have flow through caps on your valve stems? I seem to recall having trouble filling through flow through caps (I took mine off and put on TPMS caps).

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Old 11-25-2015, 09:06 PM   #3
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Standard valves stems and other chucks worked. It is something odd and suspect something stupid
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Old 11-25-2015, 09:45 PM   #4
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Porter Wagner? Maybe it because Dolly Parton left him. Sorry, couldn't resist.

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Old 11-25-2015, 10:51 PM   #5
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Not sure what type of tires you have but are you sure the compressor has enough pressure? Mine take 110lbs and most big compressors don't go that high.
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Old 11-26-2015, 07:36 AM   #6
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It is not the compressor, I used the small stub air chuck that came with it and worked fine, but a pain to use. A number of MH reviewers also recommended. It is the longer air chucks that have some design not allowing them to work, no matter the quality/price. Thanks everyone.
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Old 11-26-2015, 09:54 AM   #7
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Seems to be some confusion between chucks and stems and valves. If you are speaking of the "air chuck" that couples to the air hose from the compressor then look closely at the male coupling on the chucks to see that they are the exact shape and length as the one that works. There are several different styles and the ones that don't work may fit the locking device but are not long enough to push in on the valve in the female coupling. You should feel the transfer of air into the chuck and the pressure release when disconnecting. Size matters!
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Old 11-26-2015, 10:15 AM   #8
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CVO is correct about that. I was building my own air system and ran into a problem similar to yours. It seems as though there are some proprietary sizes of air chucks and couplings. Also, there seemed to be two standard sizes of chucks and couplings.
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Old 11-26-2015, 10:15 AM   #9
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What CVO says! I have several air chucks, and each of them works reliably with some tire valves and not so well with others. Shape, length, spring pressure, etc differ. The pin in the center of the chuck has to press down the corresponding pin in the Schrader valve in order for high pressure air to flow into the tire. If the pins don't align, or depress far enough, it doesn't work.

There are also two basic chuck designs, one with a check valve and one without. The check valve type is for direct connect to the air hose, while the non-check-valve type is for the accessory that has an air gauge and a squeeze trigger. The gauge won't work right if the chuck has a check valve. Should not affect the ability to fill with air, though.
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Old 11-26-2015, 10:16 AM   #10
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I have the exact compressor - it will definitely do the job. I put extensions on my inside duals and angled extensions on outer duals. Then I bought a straight lock-on air chuck. Works great.

Here is the one we got. CTA Tools 1930 Straight Lock-On Air Chuck
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Old 11-26-2015, 11:17 AM   #11
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Great info, what I needed. Happy Thanksgiving and be safe
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Old 11-27-2015, 11:27 AM   #12
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I got this setup that works pretty well.

It has a 0-180psi scale, so a 90psi reading is right in the middle of the scale like it should be.
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Old 12-15-2015, 03:40 PM   #14
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Thanks Bigben for your air chuck recommendation: CTA Tools 1930 Straight Lock-On Air Chuck. Great tool and would recommend to anyone else.

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