no hammer rise

[David Nereson]

    Well, the hammers are the originals.  I realize that doesn't guarantee that they're not too heavy.  The hammer flanges and rep. levers do not seem to be pinned too tightly.  I'm not going to worry about action spread just yet.  I don't know what the spec is for this piano anyhow.  The rep. spring tension has been turned way up on many trial wippens/hammers, upon which I feel a kick when I release the key pressure, but the hammers still don't rise.
    No, the hammers don't fall dramatically when tripped by the finger.  As I said, everything else is regulated pretty much as it should be, including rep. lever height above the tops of the jacks, and rep. spring strength -- at least, as well as I can regulate it without being able to observe the hammer rise.  
    Thanks,  David Nereson  
    
  ----- Original Message ----- 
  From: Jon Page 
  To: pianotech at ptg.org 
  Sent: Thursday, June 12, 2008 5:03 AM
  Subject: no hammer rise


  Hammers too heavy, tight pining on hammer flanges or rep lever,
  action spread incorrect causing geometry issues, rep spring tension
  is too low.

  Do the hammers fall dramatically when the jack is tripped by your finger?
  This would point to hammer weight/spring strength. I've found that some
  hammers are so heavy that they require a 'stronger lift' for the rep lever
  to support the shank and for the jack to reset easily.
  -- 

  Regards,

  Jon Page
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