Mechanical Music Digest  Archives
You Are Not Logged In Login/Get New Account
Please Log In. Accounts are free!
Logged In users are granted additional features including a more current version of the Archives and a simplified process for submitting articles.
Home Archives Calendar Gallery Store Links Info

Our Spring Fundraising Drive is in progress. Please visit out home page to see this and other announcements:
https://www.mmdigest.com     Thank you. --Jody

MMD > Archives > November 2004 > 2004.11.21 > 02Prev  Next


Primary Valves Bypassed in Double Valve Player
By John Bushey

-- non-subscriber, please reply to sender and MMD --

A friend asked me to look over a player that was given to him and
determine if it needed any work before he paid to have it moved.
It is a Standard action and it played rather well with a music roll,
but with a test roll there were several notes that were not playing
and more that were not repeating.

Much to my astonishment when I removed the piano parts to check the
action, I discovered that the primary valves had been bypassed and
the tracker tubing was connected directly to the secondary pouch board.
The L-shaped board that connects the primary valves to the secondary
valves had been removed.

Has anyone had experience with this arrangement, and what would one
expect to be the problems?  I know the primary valves are there for
a purpose.

The action appears to have been rebuilt about 20 years ago and is
still very tight.  In checking out the problems with the secondary
valves, I found the valve lift and clearance between the pouch and
valve button was very sensitive.

John Bushey
Winter Springs, Florida


(Message sent Mon 22 Nov 2004, 01:50:34 GMT, from time zone GMT-0500.)

Key Words in Subject:  Bypassed, Double, Player, Primary, Valve, Valves

Home    Archives    Calendar    Gallery    Store    Links    Info   


Enter text below to search the MMD Website with Google



CONTACT FORM: Click HERE to write to the editor, or to post a message about Mechanical Musical Instruments to the MMD

Unless otherwise noted, all opinions are those of the individual authors and may not represent those of the editors. Compilation copyright 1995-2018 by Jody Kravitz.

Please read our Republication Policy before copying information from or creating links to this web site.

Click HERE to contact the webmaster regarding problems with the website.

Please support publication of the MMD by donating online

Pay via PayPal

No PayPal account required

                                     
Translate This Page

. .