Upright Action mounting pins

[pianotune05 at comcast.net]

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Hi Everyone,
I'm still out there, just extremely busy this wee,but this is what's on my mind.
Speaking of actions.  In terms of regulating or repairing, are most if not all actions, the procedure to fix a broken part or regulate, primarily the same? The reason I'm asking this is due to the fact that I've noticed that there are different names on the actions that I encounter such as Schwander, PA Stark & Company, and an English action I came across in a Kimball today as I was told after contacting my instructor, but I cannot recall the brand.  Anway, Are these actions simply names for pretty much a similar thing, or are there differences that require certain techniques to repair and regulate that other actions do not. If this is case, are there manuels out there for these different actions, or is the piano maker more important to be concerned about?  
Marshall

-------------- Original message -------------- 
From: "Dean May" <deanmay@pianorebuilders.com> 

> Mark wrote: But note that if you move the bass end up or down, the seating 
> of the dampers will be affected, due to the angle of the strings away from 
> vertical. 
> 
> Could this be why on some old pianos the hammers in the bass section are 
> grossly out of line? You occasionally run across old pianos with bass 
> hammers consistently missing one of the bicords and hitting the neighbor 
> string. It has to be something in the case/keybed shifting or settling, but 
> what? The action posts settling makes sense. I'll have to check that out on 
> the next one I run across. 
> 
> Dean 
> Dean May cell 812.239.3359 
> PianoRebuilders.com 812.235.5272 
> Terre Haute IN 47802 
> 
> 
> -----Original Message----- 
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf 
> Of Mark Schecter 
> Sent: Thursday, March 02, 2006 11:59 AM 
> To: tune4u@earthlink.net; Pianotech List 
> Subject: Re: Upright Action mounting pins 
> 
> 
> 
> Alan Barnard wrote: 
> 
> > Your bass strike point is less critical. If the strings are oldish, look 
> > under the dampers; the strings will be brighter there. See if the action 
> > is at its "historical" position in the bass (after setting the treble). 
> 
> But note that if you move the bass end up or down, the seating of the 
> dampers will be affected, due to the angle of the strings away from 
> vertical. 
> 
> >snip< 
> 
> > When all is well, I'd recommend removing the action, placing a long 
> > straight-edge or level from the bass to the treble post and raising the 
> > middle post(s) until they are truly in line. Replace the action and 
> > check both ends AND make sure it is evenly seated on all posts. 
> 
> Since you would have to make sure it's evenly seated anyway, why not 
> just leave the action in and adjust the posts only once? Just curious! 
> 
> -Mark 
> 
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