ok, i'm listening

[David Love]

Could also be that the action is out of position laterally causing the key
end felt to catch the adjacent damper levers, or, the lever(s) are out of
alignment.  First case, either reposition the action or reposition the
underlever tray.  Second case, if the underlevers are screw type, shim the
flange of the offending underlever.  If they are not the screw type, see
first case.  

David Love
davidlovepianos at comcast.net 
www.davidlovepianos.com

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of marcel carey
Sent: Tuesday, April 10, 2007 7:42 PM
To: Pianotech List
Subject: Re: ok, i'm listening

Hi John,

There are things I don't understand in your post. You say that"> C6 
lifts the B6 and C6 dampers"
Now that's an octave apart. Could it be that C6 lifts B5 and C6. To me 
this eases the solution.

Have you had a look between the damper underlevers? I've seen instances 
where the leads in the underlevers would become loose and interact 
between 2 underlevers causing symptoms like mentionned.

Let us know your final solution.

Marcel Carey, RPT
SHerbrooke, QC


John Cole a écrit :
> Keep in mind I'm a newbie to this. I may ask a few newbie questions. 
> Help me understand something. You say the hammers hitting the adjacent 
> note's left string in the shifted position means the action is shifting 
> too far to the right and needs shimmed or the stop screw needs 
> adjusting. There is on this piano a flat top phillips head screw in the 
> right cheek block that looks to be what stops the action from going too 
> far. I get that much. What I don't get is why...The hammer problem only 
> happened with those two notes (G4 & G#4). I would figure that if it is 
> an action shift problem, I should have this hammer swing problem 
> throughout the whole action.
> Now, as to the damper problem, it is only with two keys--G#4 and C6. 
> When you play G4 and B6 everything works normal. The problem is that G#4 
> lifts the G4 & G#4 dampers and C6 lifts the B6 and C6 dampers. Thanks 
> for the idea about re inserting the action without the stack. I didn't 
> try that because I didn't think the keys would be able to teeter 
> correctly without the weight on the back end--at least I know I could 
> not play the keys normally without the stack when I had the action out 
> of the piano. Thanks for the replies so far.
> John
> 
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