Squeaky U-3/what kind of lube?

[David Ilvedson]

Yeah, but where can I get it...;-]

On 7 Jun 2002 at 23:07, Joe And Penny Goss wrote:

> Hi Dave,
> I use Ballistol aerosol on metal to plastic friction.
> Joe Goss
> imatunr@srvinet.com
> www.mothergoosetools.com
> ----- Original Message -----
> From: <PNHISTIC1@AOL.COM>
> To: <pianotech@ptg.org>
> Sent: Friday, June 07, 2002 10:40 PM
> Subject: Squeaky U-3/what kind of lube?
> 
> 
> > List,
> >
> > I was tuning a 15-20 year old gray market U-3 today.  Not a bad
> > piano at
> all,
> > except for the occasional rattle-squeak-creak on a few select notes.
> >  The owner of the piano is a PHD candidate in piano performance at
> > North Texas State, so I determined to find the cause of the problem.
> >
> > After finishing the tuning, I removed the action, tightened every
> > screw I could find, but the noises were still there.  I removed the
> > whippen of the worst offender, did nothing special other than check
> > for looseness, then removed and examined a jack spring.  Found
> > nothing out of the ordinary,
> and
> > put it back in, then replaced the whippen.  The noise was gone.  I
> > deduced(eventually....:-)  that the jack spring was rubbing on the
> > side of the jack near the nipple that holds it in place.  I took all
> > of the noisy springs out and bent them ever-so-slightly so they
> > wouldn't rub, and
> voila!!
> > Noises were gone.
> >
> > Does anybody regularly use ProTek or any other lubricant on these
> > plastic jacks and springs?  I'd like to treat all of the jacks next
> > time I go
> back,
> > because it's a certainty that more will act up in the next 6 months.
> >
> > Thanks,
> >
> > Dave Stahl
> >
> > PS  Made me feel good to hear a Bach Partita being played as I
> > walked down her apartment stairs!  It's nice to tune for somebody
> > who really
> appreciates
> > it and benefits from it.  She even slipped me a tip!
>