If you have a Navtec backstay adjuster, you know there is a release valve on the bottom. It's turned counter-clockwise to release air pressure and clockwise to close the valve. The Navtec instructions emphatically state the knob should not be closed firmly, just gently.
Here is a possible fix--temporary?--if your adjuster looses pressure during the day. On the face of the release knob there are three small threaded holes, one of which has a set-screw in it. This set-screw limits the travel of the knob so it can't be over-tightened. The tech said to loosen this set-screw just a fraction (a half turn to start, more if needed), which will allow the knob to close more tightly. This is a trial-and-error process, so be patient.


Garry Schaeffer
Tartan 3500
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