On 19 Mar 2003 at 18:06, firstname.lastname@example.org wrote:
> I just got an old PX that has the old style
> simplex skewers. With the slender lever that
> comes out of the center of the cam body. And
> with both a plastic wing nut and knurled nut
> on the other end to adjust the tension.
> The wing nut is threaded, and then there is a
> small spring, and then there is the knurled
> metal piece that threads on the skewer. And
> finally the regular conical spring, axle, other
> conical spring and the cam body.
> So, I do I adjust these? I don't want to damage
> them, so now I have the knurled piece adjusted
> right, and the wing nut just loosely screwed
> against the small spring. What is the right thing
> to be doing here?
Since the purpose of the wingnut is to serve as a locknut for the
knurled disk, I've always snugged mine down pretty tightly.
> Finally, do these plastic wing nuts tend to last?
Mine have lasted about 37 years. :-)
email@example.com (John V. Everett)