[pianotech] bushings migrating

[David Ilvedson]

I agree, that is the way to avoid that problem...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Dempsey Jr., Paul E" <dempsey at marshall.edu>
To: pianotech at ptg.org
Received: 9/3/2009 7:38:47 AM
Subject: Re: [pianotech] bushings migrating


>I see this all the time in Yamaha and others as well.

>Sounds like the pin is being backed out too far during string replacement ( three or 
>more turns).
>The bushings travel upward as the pin comes up. Why it doesn't go back down is an 
>enigma. Perhaps the bushings weren't very tight to start with.

>I haven't had much success in tapping them back sown either. 

>The best I can come up with is to only turn the pin one revolution and use a "dummy 
>pin" to make the coil before reinstalling.

>Regards,

>Paul E. Dempsey, RPT
>Piano Technician Sr.
>Marshall University
>Huntington, WV
>304-696-5418
>304-617-1149