Noisy key inserts

[Roger Jolly]

Hi David,
          One of the factory checks for various player devices is to make
sure there are no binding keys, this get over done some times, Tongue in
cheek!!!
  I have fixed this problem by inserting the correct size of acu cauls to
protect the bushing and steaming the B/R hole it has worked well with maple
shoed keys.  The reason this tends to happen is that they are looking for
PPP consistency.
Regards Roger



At 09:07 PM 22/09/98 EDT, you wrote:
>In a message dated 98-09-21 22:56:14 EDT, you write:
>
><< 
> What are some favorite fixes for slightly pulley keys?  I've got a new
one in
> the field with some slight play, but given the hardness and lack of
>resiliency 
> of the maple insert, its noise problems seem to vary quite a bit with
>humidity 
> changes.  It is difficult to find a fix that will have any kind of
longevity.
> Is maple even the ideal material for these inserts?  I've had trouble with 
> this manufacturer before, especially when a player system is involved.
>Manual 
> playing seems to keep the key in the same relative position on the pin, but 
> the solenoid rails tend to push the key back and forth, magnifying the 
> problem.  
> 
> 
> David V. Anderson, RPT
> Rochester Hills, MI
>
>>>
>
>Cut a slit in the key where it pulls and glue in a piece of veneer.  If you
>insist in the same material, use balsa or whatever the key was made of.
Maple
>does not seem right for keys.  Awfully hard for what it needs. Short of glue
>sizing, this is the best repair I know of for fixing pully keys.
>
>Dave Peake, RPT
>Portland, OR
>
Roger Jolly
Baldwin Yamaha Piano Centre
Saskatoon and Regina
Saskatchewan, Canada.
306-665-0213
Fax 652-0505