pressure bar screw missing

[Dave Davis]

Tom,
 
A similar thing happened to me a few months ago.  I
discovered the hitch loops were slipping.
 
Dave Davis

--- Tvak@aol.com wrote:
> List
>  
> Maybe this is no cause for concern, but...
> 
> I'm doing some work on a Steinway V.   It is my own
> piano, purchased for 
> resale.   I just had the piano restrung and the
> cabinet refinished, by an 
> associate of mine.   Got the piano back today.   I
> started out by chipping the piano 
> up to pitch.   
> 
> The last screw on the left on the pressure bar which
> spans B2 through F#5, is 
> missing.   The restringer didn't put it back in
> because it was rusty and he 
> wanted to replace it with a new one.   OK.   But as
> I chipped strings up and I 
> got to the two bichords right under the missing
> screw, B2 and C3, it seemed as 
> if they weren't moving up in pitch like the other
> strings.   They were about 
> a 5th low and when I started to turn the pin they
> moved upward, but then they 
> seemed to stop, even though I was still turning the
> pin.   
> 
> On the one hand, they're wound bichords so they
> would act differently than 
> their plain steel string neighbors to the right.  
> But I started to get paranoid 
> that perhaps they weren't moving up in pitch because
> they were forcing the 
> pressure bar upward.   
> 
> I know I'll have to let the tension down in that
> area to put the screw in 
> anyway, but just as a matter of understanding the
> situation, is it possible that 
> I could cause damage to the pressure bar by pulling
> these strings up to pitch 
> with that screw missing?   Keep in mind that this is
> a Steinway:   their 
> pressure bars are about the diameter of a hockey
> stick made out of metal!   My gut 
> instinct tells me that I could do just fine without
> that screw, but either 
> these strings were acting funny, or my imagination
> got the better of me.
> 
> Straighten me out.
> 
> Thanks,
> Tom Sivak
> Chicago   
> 
> 


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