Posted by dmmorris on November 04, 2002 at 20:20:51:
In Reply to: Rotary Valve Repair posted by Matt A. on November 04, 2002 at 18:20:59:
I don't know if the book is still in publication, but.......
J.Kent Mason, The Tuba Handbook, Sonante Publications, 1977, (ISBN 0 9690656 0 4)
has a chapter on "Care & Maintenance" with a unit complete w/ pictures on on "dismantling a tuba rotary valve".
............use with caution!