Key Tops

[Tom Driscoll]

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  ----- Original Message -----=20
  From: pianotuning@instrumentalinks.com=20
  To: pianotech@ptg.org=20
  Sent: Wednesday, September 22, 2004 3:47 PM
  Subject: Key Tops


  I am going to be re-glueing several plastic key tops for a client =
using PVCE.  Does anyone have any tips for me since this this my first =
time using this glue?  Should I dilute it or use it full strength?  Any =
other advice would be greatly appreciated.  Thanks a lot!
  Jon Lindblom
  Savannah, Ga

  Jon ,
      First off, I dont do complete keytop replacement anymore. I use a =
shop in my area that specializes in key work.
      I mention this because those  who do specialize will no doubt have =
suggestions based on more expertise than I.
      Caveat aside, I still use pvca for occasional plastic keytop =
repairs.
      My tip is this :=20
      Using pvca full strength, I apply a thin film on the bare wood, =
then wipe off a quarter inch circle of glue from the center of the head =
and from the end of the tail, spray the plastic top with C.A. =
accelerator , place a drop of medium CA in the  space created on the =
wood. Position the top as quickly as possible and apply pressure for a =
few seconds.The CA keeps the top perfectly aligned while I apply the =
brass head and tail plates and clamps.
      Leave the clamps on for at least 30 min. (thats the recommendation =
on the PVCA bottle)
  .=20
      The benefit here is that without the CA  the keytop will sometimes =
slide around as you clamp it down -.
      Tom Driscoll RPT
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