Another player system question

[piannaman at aol.com]

 Andrew,

I don't rely on the dags, but in my limited experience--can't say I'm entirely sure why--several of the pianos I work on that have player systems (dags removed) have creaks/squeaks when the una corda pedal is operated no matter how well I try to bed the keyframe, and no matter where I apply various lubricants.? And they emanate from the area of the piano where the dags are missing.? 


 


Dave Stahl, RPT
Dave Stahl Piano Service
dstahlpiano at sbcglobal.net
dstahlpiano.net

 


 

-----Original Message-----
From: Andrew Anderson <anrebe at sbcglobal.net>
To: Pianotech List <pianotech at ptg.org>
Sent: Fri, 26 Sep 2008 6:16 am
Subject: Re: Another player system question









Without referring to my notes I recall exposing about 1/2" of key-end and that the key-bed mortice was about 1/8" more. ?The dags we used were metal 'C' shaped affairs (screwed to the keybed on the front, leading edge) and we morticed them into the keybed and notched the back-rail accordingly with room for the keyframe to shift. ?Mind-you, this is all easier to do when the keybed is up on horses.



I remember on player crew from a manufacturer was attending and they said, "We used to just throw them away." ?Mr. Zarate pointed out that that would void many manufacturer's warranties. ?They now have experience with an alternative.




How many of you actually rely on the dags for bedding? ?I wasn't taught that way.




Andrew Anderson, Artisan Piano




On Sep 25, 2008, at 10:51 PM, piannaman at aol.com wrote:



 Hi Andrew,
 
 Thanks for the information.? I suspected that the dags should be put back in the piano.? How much of the key frame is cut off, usually?? 
 
 Even if one doesn't want to install these units, knowing how to troubleshoot them could be useful and possibly lucrative.? 
 
 
 
 
 
Dave Stahl, RPT
 Dave Stahl Piano Service
 dstahlpiano at sbcglobal.net
 dstahlpiano.net
 
 
 
 
 
 
 -----Original Message-----
 From: Andrew Anderson <anrebe at sbcglobal.net>
 To: Pianotech List <pianotech at ptg.org>
 Sent: Thu, 25 Sep 2008 2:13 pm
 Subject: Re: Another player system question
 
 
 Dave 
We addressed this at a class at PianoDisc Sacramento. ?We moved the dags forward to the new keyframe edge making all the necessary adjustments as well as checking the bedding. ?This really is an installer quality issue. ?Some installers don't have any regulation know-how and don't have any idea if or why anything is wrong.
 

 
 
As a dealer I've had to go through QRS equipped pianos from one source and work on just about everything.
 

 
 
As a technician this is an opportunity to really shine if you aren't intimidated by those "blinking lights."
 

 
 
YMMV,
 
Andrew Anderson, Artisan Piano
 

 
 
On Sep 25, 2008, at 9:18 AM, piannaman at aol.com wrote:
 

 
 I'm not sure about that, Phil.? But I am sure that one of the pianos I work on that has key bedding / una corda squeak issues (dags removed) is a Boston GP 178.? So please, be careful when you chop on that puppy!
 
 
 
 
 
Dave Stahl, RPT
 Dave Stahl Piano Service
 dstahlpiano at sbcglobal.net
 dstahlpiano.net
 
 
 
 
 
 
 -----Original Message-----
 From: Phil Bondi <phil at philbondi.com>
 To: Newtonville <pianotech at ptg.org>
 Sent: Wed, 24 Sep 2008 3:00 pm
 Subject: Another player system question
 
 
 Does anyone know if the Boston GP178's keybed is easily removed for solenoid installation??
 ?
 Thanks,?
 ?
 -Phil Bondi(Fl)?
 
  


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