Growing Leads

[Delwin D Fandrich]

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  ----- Original Message -----=20
  From: Keith Roberts=20
  To: pianotech@ptg.org=20
  Sent: November 18, 2001 11:30 PM
  Subject: Re: Growing Leads


  Oxidation is encouraged or accelerated by the presence of electric =
charge or current. Also the presence of moisture and or ionized salts =
[sea air]. Install a heater bar and ground the harp to the electric =
system. The lead is growing because it is combining with oxygen and =
takes up more space. This only happens on exposed surfaces so don't =
drill a hole in it you will only expose more lead to the air.
  Keith

    If you install that heater bar within the action cavity of a grand =
be sure to schedule time in a couple of years to also replace the =
pinblock and restring the piano.=20

    Del

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