[pianotech] ivory replacements with wafers intact using metal key plates

[Gevaert Pierre]

Hi Conrad,

 

A silly question but could you tell me what is a wafer ?

 

Thanks,

 

Pierre Gevaert

 

-----Message d'origine-----
De : pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] De la part
de Conrad Hoffsommer
Envoyé : lundi 17 novembre 2008 12:38
À : pianotech at ptg.org
Objet : Re: [pianotech] ivory replacements with wafers intact using metal
key plates

 

Debra Feiger wrote:

> Can someone please give me the procedure for replacing individual

> ivories which are in good shape along with the wafers.  I have the

> metal key plates but haven't used them.  Thank you.

> 

> Debra Feiger, RPT

> 

 

-clean all residue from underside of ivory to be re-installed

-clean keytop, especially including the front edge of the ivory tail (if 

still in place) Ugly black lines result if you don't.

-make sure dry fit of wafer and ivory results in a flush joint to the 

tail - scraping ivory to eliminate a stair step is not fun. DAMHIK

-soak wafer in water for a few minutes

-position wafer and ivory on key

-place plate on ivory

-tighten with clamp, ensuring that the ivory has not shifted out of position

-recheck ivory position (also in the DAMHIK category)

-using alcohol lamp, and holding key upside down, heat plate almost too 

hot to touch

-let cool

-remove clamp/plate

-trim excess wafer

 

 

 

(Folks, did I forget anything? - it's been a long time since I did it 

this way)

 

-- 

Conrad Hoffsommer, RPT - Keyboard Technician

Luther College, 700 College Dr., Decorah, Iowa 52101-1045

1-(563)-387-1204 // Fax 1-(563)-387-1076

 

 

If I had multiple personality disorder, my resume would make more sense.

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