Join Date: Sep 2009
Bikes: Masi (retired), Giant TCR, Eisentraut, Jamis Aurora Elite, Zullo (trainer bike), Cannondale, 84 Stumpjumper, Waterford(N+1), Tern D8 (N+1), looking for a Ti frame
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If you removed the hose from the pump and no air comes out when you try to pump it, it sounds like the check valve is stuck. I don't know how you would unstick it.
I have an older version of that pump, and I checked it when I got home, I can make the same thing happen when the pressure gauge is turned backwards. So try reversing the pressure gauge.
Last edited by cyclist2000; 08-19-11 at 05:15 PM.