Knuckles/Graphite

[Farrell]

Are the knuckles flattened at all? It might be better to simply replace all
of them - really a pretty quick job.

Terry Farrell

----- Original Message ----- 
From: "Dave Nereson" <davner@kaosol.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Wednesday, October 29, 2003 3:04 AM
Subject: Re: Knuckles/Graphite


>
> ----- Original Message ----- 
> From: "Jack Houweling" <jackhouweling@dccnet.com>
> To: <pianotech@ptg.org>
> Sent: Tuesday, October 28, 2003 10:43 PM
> Subject: Fw: Knuckles/Graphite
>
>
> Hello
>    I would like to clean knuckles by removing old graphite . I read in the
Reblitz the way to clean is to use a solution of eight parts naphtha to one
part mineral oil in a hypo-oiler. Is this technique still used ?
> Thanks
> Jack Houweling
>
>     I wouldn't think you'd want any oil on the knuckle leather.  Usually
the naphtha/mineral oil mixture is used for lubricating center pins that are
a bit sluggish.
>     To clean the knuckles of old graphite or graphite grease, I've used
Thoro or Energine (dry cleaning fluid) and a suede brush.  There are
probably other solvents that work also, but I don't have experience with
them on knuckles.
>     I apply the cleaning fluid with a syringe and brush as much as
possible off with the suede brush, then let them dry.  Afterwards, apply
talc or powdered Teflon and rub into the knuckles with a spare treble
hammer.
>     --David Nereson, RPT
>
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