Another player system question

Andrew Anderson anrebe at sbcglobal.net
Fri Sep 26 13:23:56 MDT 2008


H'mm,
Presumably the rail actually contacts in the back (you sometimes have  
to glue wood back in because you are cutting off the lip).   I haven't  
noted noise from the solenoid plungers rubbing under the keys, yet...

A dag or two would eliminate one variable.

Andrew

On Sep 26, 2008, at 11:24 AM, piannaman at aol.com wrote:

> 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)
>>> Find phone numbers fast with the New AOL Yellow Pages!
>>
>> =
>> Find phone numbers fast with the New AOL Yellow Pages!
>
> =
> Find phone numbers fast with the New AOL Yellow Pages!

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