[pianotech] Key Bushing Job

[Ryan Sowers]

One of the interesting things about Ballistol is that it emulsifies in
water. I don't know about protek - I'm not sure what the solvent is or what
it does when you mix it with water.

On Sat, Apr 4, 2009 at 4:49 PM, Steven Hopp <hoppsmusic at hotmail.com> wrote:

>  Any suggestions for something other than ballistol?
>  Is it similar to protek?
>
> Thanks
> ------------------------------
> Date: Fri, 3 Apr 2009 17:55:12 -0700
> From: tunerryan at gmail.com
> To: pianotech at ptg.org
> Subject: Re: [pianotech] Key Bushing Job
>
>
>
>    ---- Original Message -----
> From: "Steven Hopp" <hoppsmusic at hotmail.com>
> To: pianotech at ptg.org
> Sent: Friday, April 3, 2009 11:46:05 AM GMT -06:00 US/Canada Central
> Subject: [pianotech] Key Bushing Job
>
> Hello,
>
> Just left a customers piano that would benefit from new key bushings.
> However, on the way to lunch I thought the ones i looked at did not appear
> to be overly worn yet they are loose and make some side to side noise.  My
> question is:  is there anyway to swell the bushing and use an appropriate
> sized caul instead of completely rebushing the entire set?  Just wondering
> out loud so please don't beat me up. :)
>
> Also the front rail bushings have black lines where the key rides on the
> pin.  What is the black stuff?
>
> Thanks,
>
>
> Steven J. Hopp
> PianoWorks Studio
> Midland TX.
>
>
> I've had some success with 50/50 water/denatured alcohol with a tiny bit of
> Ballistol in it. This was on a fairly new piano so the felt was in pretty
> good shape. I use the double shoulder cauls from Bill Spurlock. It allows
> you to give a tap with a hammer and compress the wood while compressing the
> felt into the mortise at the same time. I'm not sure that anything special
> is in the Profelt.
>
> Steve Brady also taught me a trick: If the felt is in pretty good shape you
> can stick a single voicing needle in the felt right where the mark from the
> pin is. This can actually snug things up quite well and it seems to last
> quite a while.
>
> --
> Ryan Sowers, RPT
> Puget Sound Chapter
> Olympia, WA
> www.pianova.net
>
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-- 
Ryan Sowers, RPT
Puget Sound Chapter
Olympia, WA
www.pianova.net
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