Noisy spring coils

[Joe And Penny Goss]

Ballistol aerosol.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Clyde Hollinger" <cedel@supernet.com>
To: <pianotech@ptg.org>
Sent: Wednesday, January 22, 2003 5:01 PM
Subject: Noisy spring coils


> Friends,
> 
> I came across a new phenomenon today -- new for me anyway.  First-time
> tuning of a 1967 George Steck console.  "Crunchy snow" sound coming from
> the action.  This is usually either friction between the liftrod and the
> damper lever felt, or the hammer butt springs on the felt in the butt
> slots.  I know how to take care of both of those things.
> 
> But this time it was the hammer butt spring coils.  I never ran into
> this before.  Due to schedule contraints this was put on the "to do"
> list for the next service call.  Have any of you run into this problem?
> Does the noise come from the coil rubbing against itself, or against the
> wood, or maybe (I didn't check closely enough) perhaps there is even
> felt there.  Which lubricant would be best, and hopefully also easy to
> apply, for a long-term cure?
> 
> Regards,
> Clyde Hollinger, RPT
> 
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