[pianotech] key problem

[Leslie Bartlett]

Thanks for helpful advice. I've only had to tune for so much that I find 
I forget the basic stuff.  I think I'm probably not unusual, actually. I 
had a devil of a time rebushing a flange not long at, having not done 
one for more than a decade..........
les

pmc033 at earthlink.net wrote:
> Pressing the damper pedal while diagnosing friction problems is the 
> best way to find them.  If the key stays down, that is an indication 
> of too much friction, or a hammer spring is broken/unhooked.  See that 
> the key is moving freely.  If the hammer returns to the rest rail 
> slowly, but the key and wippen move simultaneously, it's the hammer 
> flange.  If the hammer returns quickly, with a little bounce, but 
> pressing the pedal makes it hang up, it's the wippen flange
>  
>  
>
>     ----- Original Message -----
>     *From:*
>     *To: *l-bartlett at sbcglobal.net
>     <mailto:l-bartlett at sbcglobal.net>;pianotech at ptg.org
>     <mailto:pianotech at ptg.org>
>     *Sent:* 03/01/2009 7:49:28 PM
>     *Subject:* Re: [pianotech] key problem
>
>     The problem will most likely be a tight wippen flange.
>
>     Wim
>
>     -----Original Message-----
>     From: Leslie Bartlett <l-bartlett at sbcglobal.net>
>     To: pianotech at ptg.org
>     Sent: Sun, 1 Mar 2009 5:36 pm
>     Subject: [pianotech] key problem
>
>     I have to face a Falcone upright later this week on which a key
>     "occasionally sticks, but only when the damper pedal is pushed."
>     As I recall from years ago, there is an "obvious" answer to that
>     problem, but haven't faced such in more than a decade, so have
>     lost it....... Can someone solve my tiny problem? 
>     thanks 
>     les bartlett 
>      
>
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