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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > dynabeads, valve stem leak?
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Author Topic: dynabeads, valve stem leak?  (Read 1300 times)
Garland
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Posts: 451


#618

Hendersonville NC
« on: July 06, 2010, 06:08:58 PM »
I have been using dynabeads for a few years, about 20K or so, with the Patchboy stems. The angle of the stem prevents using the filtered schraeder valve core, and I sometimes get air leakage if I don't really screw down the cap on the stem. Anyone else having this issue? I hate having magic beads with side effects...
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BonS
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Blue Springs, MO


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« Reply #1 on: July 06, 2010, 07:35:23 PM »
Do you follow the recommended procedure of placing the stem at the 6 o'clock position and blowing a bit of air into the valve stem before taking an air pressure reading? This clears the stem of any beads as otherwise there is a chance trapping a bead(s) in the schrader core. I do this and haven't yet (knock on wood) shared your experience.
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T.P.
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Posts: 1963


Apple Valley, Minnesota.
« Reply #2 on: July 06, 2010, 07:54:32 PM »
I'm using the Ariete valve stems................No Problems at all, just a little shot of air before checking pressure.                             
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"Well you can call me T, or you can call me P, or you can call me T.P. but you doesn't hasta call me Toilet Paper"
Garland
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Posts: 451


#618

Hendersonville NC
« Reply #3 on: July 07, 2010, 02:47:15 PM »
Quote from: BonS on July 06, 2010, 07:35:23 PM
Do you follow the recommended procedure of placing the stem at the 6 o'clock position and blowing a bit of air into the valve stem before taking an air pressure reading? This clears the stem of any beads as otherwise there is a chance trapping a bead(s) in the schrader core. I do this and haven't yet (knock on wood) shared your experience.

I have been doing it that way. This is a problem that has developed in the last few months, so perhaps it is a moisture issue or something.
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1FAST6
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Posts: 164


Sanford, NC
« Reply #4 on: July 07, 2010, 04:08:06 PM »
If you have a bead stuck in the valve seat, you will hear the air leaking out and it will go flat in a few minutes.  They're little, but not that little.  I'd say that you need to make sure the velve is screwed in tight.  If that doesn't fix it, replace the valve.
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petevenne
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Concord NH


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« Reply #5 on: July 07, 2010, 05:57:10 PM »
Ditto on the "bead stuck in the valve seat" happened twice on me.. Yes I'm running Dyna beads with a Show Chrome TPS system, Like to check once and while with a good pressure gauge and the beads will somtimes catch in the schrader valve....

Pete..
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