Oiled Pinblock

[John Ross]

Hi Tom,
Try CA glue.
Regards,
John M. Ross
Windsor, Nova Scotia, Canada
piano.tech@ns.sympatico.ca
----- Original Message -----
From: "Tom Cole" <tcole@cruzio.com>
To: <pianotech@ptg.org>
Sent: Monday, July 02, 2001 9:58 PM
Subject: Oiled Pinblock


> A long while back, I noticed that a tuning pin on a grand that I tune
> had suddenly lost its torque and apparently had been contaminated with
> valve or slide oil. I pulled the pin out, swabbed the hole liberally
> with lacquer thinner and drove in an oversized pin.
>
> Subsequently, the tuning pin in question has a tight but slippery feel
> and is also quite jumpy and, therefore, hard to tune/settle. Obviously,
> some oil remains in the block (there are hints of it having traveled to
> a few of the neighboring pins) (thanks to the lacquer thinner?) and I'd
> like to find a more successful way to repair the damage, since it seems
> unlikely that the oil can be removed.
>
> Recent talk on this list about pin driving fluid got me to thinking
> about using varnish (or shellac?) as a barrier to oil contamination of
> the block. I will most likely experiment with this idea soon but would
> like to know if anyone has had any experience or opinions they might
share.
>
> Thanks,
>
> Tom Cole
>