[pianotech] Using a burn in knife to repair lacquer

[John Ross]

Can't put my hands on my Schaff catalogue, but American Piano Supply Co. had them, electric Burn -In Knife part #511767.
Schaff bought their inventory, so quote yhat number if you want one.
John Ross
Windsor, Nova Scotia.
On 2011-01-12, at 5:51 PM, Gary Doudna wrote:

> 
> 
> On Wed, Jan 12, 2011 at 12:34 PM, <johnparham at piano88.com> wrote:
> Paul,
> 
> "just make sure your knife isn't too hot, so use a
> lamp dimmer to bring down the voltage."
> 
> I understand the concept here, but have never seen a knife hooked up to
> an electrical source.  Do you have a picture of your set up?
> 
> -John Parham
> 
> > -------- Original Message --------
> > Subject: Re: [pianotech] Using a burn in knife to repair lacquer
> > From: "Paul McCloud" <pmc033 at earthlink.net>
> > Date: Wed, January 12, 2011 11:11 am
> > To: pianotech at ptg.org
> >
> >
> > Some years ago I had a video from Mohawk that was excellent.  I don't have
> > any contact info handy, but they probably have that video still available.
> > I bet if you check You Tube there will be plenty of stuff there too.
> > I do a lot of this type of repair.  It's not that hard.  If you have the
> > equipment and sticks, just make sure your knife isn't too hot, so use a
> > lamp dimmer to bring down the voltage.  When you touch the knife to the
> > stick, it shouldn't bubble.  Put burn-in balm (looks like vaseline) around
> > the area.  Melt the stick into the hole.  Level using the knife blade
> > across the hole.  You can use a single-edge blade to scrape it level if you
> > like, but be careful not to scratch the area around the damage.  Sand
> > level, match the sheen with steel wool or polish if it's higher gloss.
> > Black sticks never seem to match the black, it always looks grey-er, so
> > don't expect a perfect repair.
> >       Have fun (yet?)
> >       Paul McCloud
> >       San Diego
> >
> >
> > > [Original Message]
> > > From: David Love <davidlovepianos at comcast.net>
> > > To: <pianotech at ptg.org>
> > > Date: 01/12/2011 7:07:30 AM
> > > Subject: [pianotech] Using a burn in knife to repair lacquer
> > >
> > > Does anyone know of a good pamphlet or instructional video on how to use a
> > > burn in knife to repair lacquer (black).  I need to make a small repair
> > but
> > > finish stuff is not in my area of expertise.
> > >
> > > David Love
> > > www.davidlovepianos.com
> > >
> > >
> 
> I need advice on touch-up for the edges of a black, satin 2003 Steinway "S". Some edges have worn through and need to be matched to the original finish. 
> Thanks, 
> Gary 
> 
> -- 
> Doudnas
> PO Box 68
> Baileys Harbor, WI 54202
> Doudna440 at gmail.com 
> 
> 

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