Pinblock too low

[Isaac OLEG]

Un screw the glide bolts  !

How do you believe the action could go inside and not outside ?

Some sign of stripped rail on tubular frames.


Regards

IO

> -----Message d'origine-----
> De : pianotech-bounces@ptg.org 
> [mailto:pianotech-bounces@ptg.org]De la
> part de Greg Newell
> Envoye : vendredi 13 septembre 2002 03:22
> A : Mike and Jane Spalding; Pianotech
> Objet : Re: Pinblock too low
> 
> 
> Mike,
>          I encountered something exactly like this after I 
> had sent my 
> customers piano to a rebuilder and it came back as you 
> described. I told 
> the customer it should go back but they refused as it had 
> already been at 
> the rebuilders 2 months longer than expected. Since I had 
> to resolve the 
> problem myself I went at the underside of the pin block 
> with a (initially) 
> sharp chisel. I peeled off two layers cursing under my 
> breath the whole 
> time and hit many a low tuning pin in the process. When all 
> was said and 
> done it regulated fine and is a fine instrument today but 
> Oh what an ordeal 
> that was! Not one of my proudest moments sending it to that 
> fellow. FWIW
> 
> Greg newell
> 
> 
> At 06:50 PM 9/12/2002, you wrote:
> 
> >List,
> >
> >Today I was asked to examine a "rebuilt" piano and figure 
> out why it plays 
> >so poorly.  Knabe small grand from mid-1920's.  It was 
> obvious just 
> >sitting at the kyboard an playing a little, that the 
> damper timing was way 
> >uneven, and drop was way low.  Thought the solution would 
> be failry 
> >straightforward.  Then I pulled the action, which did not 
> slide out 
> >easily, and saw the pinblock hanging 1/4" below the 
> stretcher, and the 
> >furrows ploughed (plowed?) by the drop screws.  OK, now we 
> know why the 
> >last guy didn't regulate the drop.  Obviously got to make 
> some room to 
> >raise the drop screws.  Shanks are original, so I might 
> gain something by 
> >bolstering knuckles, but probably not enough.  I could go 
> in there with a 
> >disk sander and grind some off the bottom of the pinblock, 
> but I'd prefer 
> >not to inflict the noise and mess on the customer's living 
> room.  Anyone 
> >else ever faced this situation, and found a neat (i.e. 
> reasonably clean 
> >and quiet) solution?
> >
> >thanks
> >
> >Mike Spalding, RPT
> >
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> >
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> Greg Newell
> mailto:gnewell@ameritech.net
>