Unfortunate D/C problem

[Gary Fluke]

I have had nails and any iron alloy items rust just because they were in the vicinity of a sealed jar of hydrochloric acid.  Man, what a mess this piano must be.


Gary Fluke
Snohomish, WA

  ----- Original Message ----- 
  From: Willem Blees 
  To: pianotech at ptg.org ; caut at ptg.org 
  Sent: Friday, November 02, 2007 9:24 PM
  Subject: Re: Unfortunate D/C problem


  Rust isn't just where you can see it. It attacks all metal parts, over, under, around and through. 
  In addition to new strings, and getting the bottom of the plate sandblasted, you might also want to check the key pins, center pins, damper wires, key leads, trap bolts, etc. etc.  Sounds like someone owes the church a new piano.


  Willem (Wim) Blees, RPT
  Piano Tuner/Technician
  Honolulu, HI
  Author of 
  The Business of Piano Tuning
  available from Potter Press
  www.pianotuning.com


  -----Original Message-----
  From: Ron Koval <drwoodwind at hotmail.com>
  To: caut at ptg.org; pianotech at ptg.org
  Sent: Fri, 2 Nov 2007 5:48 pm
  Subject: Unfortunate D/C problem



Newer church piano - Dampp Chaser 

I was just there 5 months ago...  As I was tuning for a recording session, could 
it be?  Rusting strings?  Pull out the flashlight, get up and walk around - yup, 
even a bunch of "rust dust" settled on the soundboard.

It seems that the person in charge of filling the unit thought that ANY 
de-scaler would be fine to use.  Used the gallon jug of stuff for the dishwasher 
and proceeded to add that with every fill up.  

-gulp-

What a mess.  I removed the D/C unit  - hanger brackets just about rusted 
through.  Smart bars dissolved...

So, will the rust continue to attack?  It had hydrochloric acid in it.  Strings, 
nose bolts, probably the bottom of the plate...

How much of the piano needs to be replaced?  Yikes!

Ron Koval
Chicagoland
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