Cleaning corrosion

[w peterson]

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Make sure that you do not breath any of that dust.=20

Bill Peterson
  ----- Original Message -----=20
  From: keys88=20
  To: Pianotech=20
  Sent: Monday, December 30, 2002 8:09 PM
  Subject: Fw: Cleaning corrosion


  Folks,=20
  1. While cleaning up this piano, is it permissible to lightly sand the =
inside of the case wooden parts?  This piano looks like it had water =
damage. There is light mold, lightly rotted wood, and the green stain =
from felts on wood parts adjacent to felt parts.=20
  2. Also, the bridal wires and damper wires are really corroded.  I =
found using a Dremel tool with a fine wire brush gets most of it off, =
and then following with a metal polish shines them up real nice.  Do you =
think that is making the metal too bare, and these parts will corrode =
again quickly?

  Thanks
  Tom
  ----- Original Message -----=20
  From: keys88=20
  To: Pianotech=20
  Sent: Friday, December 27, 2002 7:30 PM
  Subject: Cleaning corrosion


  Well,=20
  I have dug into an old Kimball upright that is going to be my practice =
piano for repairing.  A question I have is about cleaning =
corrosion.....how?  Today I am referring to the metal frame in the =
action.  I have completely stripped the action, and want to the clean up =
the metal frame parts.  Somebody in the past had dabbed on with a brush =
as far as I can tell, silver paint to hide the corrosion.  I thought an =
electric drill with a wire brush was overkill, and would damage the wood =
parts, a Dremel tool seems like it will hardly put a dent in the job.  =
That leaves steel wool? Or a hand wire brush.  Thanks.
  Tom

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