Yamaha hammer spring cord replacement, was Re: U1 hammer butt problem

[John Ross]

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Another idea.
Get a new set from Yamaha.
When you get the new set, install on the piano.
Save the old set, and re-cord them at your leisure. Then you have a set, ready to go, for your next time.
John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
  ----- Original Message ----- 
  From: Piannaman@aol.com 
  To: pianotech@ptg.org 
  Sent: Friday, June 04, 2004 2:31 AM
  Subject: Yamaha hammer spring cord replacement, was Re: U1 hammer butt problem


  Terry, 

  Tom Cole(and others) say they can replace the cords in 2 or 2 1/2 hours.  Tom gave at a technical at a chapter meeting last year where he gave a slide show and step-by-step instructions. 

  I've never done it before, but I have a cord replacement job pending.  I'm figuring on 4 hours as a first timer, counting learning curve.  Fortunately, the piano belongs to a store I contract for, so it's an ideal guinea pig situation. 

  If the pinning is still good, most people seem to think it's faster to do the cords than to replace the flanges.   

  Dave Stahl 

  In a message dated 6/3/04 6:48:57 PM Pacific Daylight Time, mfarrel2@tampabay.rr.com writes: 



    Thank you, thank you, thank you pianotek wizzards! 

    I think someone mentioned on this thread a bit back that double striking on a Yamaha vertical might be related to broken hammer butt spring cords. 

    I have seen the broken butt spring cords many times but have not been able to tell the piano owner what problem that might cause - because the notes still seem to "function". 

    I went to tune a 1970 (or so) Yamaha console (for the third time) today and after I asked how the piano had been doing since the last tuning she said that several notes would double strike the string when playing softly. 

    I immediately put on my thinking cap and said (before opening up the piano) that it is likely one of two things: either the action is way out of regulation or a number of hammer butt cords have broken - "maam, that is a common problem on Yamahas." 

    Opened that sucker up and showed her about 30 broken hammer butt cords. Man alive, she thought I was professor piano! 

    Thanks folks, this thread really didn't excite me too much, but I know it is something that I haden't dealt with before, so I had been reading them. Good thing. Thanks, thanks, thanks! 

    BTW, how long does it take someone to replace a set of flanges, or just the cord. Thanks for the 16th time! 




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