[pianotech] Second dose of CA?

[Bruce Browning]

Are you serious?


On 25/08/2012, Euphonious Thumpe <lclgcnp at yahoo.com> wrote:
> But if you are going to flip the piano over and CA from within, please do
> any tapping in of tuning pins first, as the CA may form a cap over the pins'
> bottoms which will cause the block to shatter if tapped later.
>
>
> Euphonious Thumpe
>
>
> ________________________________
>  From: erwinspiano <erwinspiano at aol.com>
> To: pianotech at ptg.org
> Sent: Friday, August 24, 2012 11:04 AM
> Subject: Re: [pianotech] Second dose of CA?
>
>
> See more ca glue protcol. I said this thread would come up again if I
> mentioned it.
> Maybe someday I,ll compile all the archival footage on Ca glue techniques,
> tools and storys. It may be a best seller. I could do a world book tour,
> groupies and glu a holics stalking my every move! Yeah.....
> Nahhh. Come on now......I AM smiling.
> Have great no ca glue day
> Dale
>
>
>
>
> Sent from my Samsung Galaxy Tab 10.1
> Dean May <deanmay at pianorebuilders.com> wrote:
> Yes, you can often get very good results with a second application. Years
> ago when CA was starting to be used on pins there were two extremes of
> application: one used 4 to 8 oz of glue, so much that glue ran everywhere.
> The other put barely any glue on at all. I find 1 to 2 oz is plenty for most
> pianos. Do a good soaking on the bushings as I believe that is where most of
> the holding power comes from.
>
> You likely have a piano that had barely any CA put on it, so a second
> application may be just the ticket. It is cheap and easy to try, so why not?
> You certainly won't make anything worse.
>
> If, after treating a few pins, it doesn't look like the CA is penetrating
> much, you might try drilling a tiny hole at the 6 o'clock position of the
> pin. Someone posted a protocol on this a few months ago for a second
> application scenario and said it worked well. You might check the archives,
> but as I recall you angle the drill so that it penetrates to the pinblock as
> it comes up to the pin. You are just creating another channel for the CA to
> travel further into the hole. Sounds like it should work great.
>
> The flipping the piano upside down and applying from the bottom will also
> work. Be sure to remove lid and hinges from rim before rolling it over.
>
> If it is only a few pins giving you grief, then remove the pin, squirt 6-8
> drops of CA around the hole, re-insert pin. I have never had that not work.
>
> Dean
> Dean W May                (812) 235-5272 voice and text
> PianoRebuilders.com    (888) DEAN-MAY
> Terre Haute IN 47802
>
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
> Of Paul Mulik
> Sent: Friday, August 24, 2012 8:34 AM
> To: pianotech at ptg.org
> Subject: [pianotech] Second dose of CA?
>
> A school that I tune for has a mid-1970s Kawai grand that's on its last
> legs. The tuning pins are too loose to hold a tuning, but somebody at some
> point in the past has already used CA glue on them. Is there any point in
> another CA application, or is it a hopeless case at this point?  I've
> already told them there's not a lot I can do for it at this point, but like
> schools everywhere there's not enough money to spend on extensive repairs or
> a new piano.
>
> Paul Mulik
> Joplin, MO
> Sent from my U.S. Cellular BlackBerryR smartphone
>
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-- 
Bruce Browning
The Piano Tuner