Chromatic: Improving the Slide

[Jp Pagan <jpl_pagan@xxxxxxxxx>]

hey all,

  i've looked around the internet a little and come up
with bupkus, so i turn to you...
  anyone have any tips on how to make the slide on a
chromatic work more smoothly, more swiftly?
  the chromatic in question is a Hering Baritono,
however, the slide assembly is from a pre-war Hohner
270(the mouthpiece is still the Baritono's).
everything fits together well and, in this case, the
270's slide assembly works much better than the Hering
one which came with the harp. 
  the slide works fine, it doesn't stick, and it isn't
glacially slow. but i'm sure it could be faster,and
would like it to be so.
  how about buffing it? (there is some rust or tarnish
i haven't been able to get rid of). if the metal isn't
perfectly flat, how would i straighten it? anyone have
an off the wall idea (like spray on Teflon or
something...)?
  all help much appreciated.

       --Jp

please respond on-list or to JpL_Pagan AT yahoo.com.
Thanks again.

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