ca glue as pin tightener - idiots guide please

Don pianotuna@accesscomm.ca
Thu, 15 May 2003 17:16:27


Hi Thump,

I've had a pin shear *off* when lowering pitch--that's why I suggested
tapping the pin.

At 11:18 AM 5/15/2003 -0700, you wrote:
>This sounds good to me, but let me add these
>recommendations, please.

>3) Instead of tapping the pins, just turn them
>backwards a little to break the rigid bond, then pull
>to pitch. Much easier
>     Thump
>
>--- Don <pianotuna@accesscomm.ca> wrote:
>> Hi Paul,
>> 
>> 1. Mark any pins with chalk that are "extra" loose.
>> 2. Inspect the bridges (may as well do any hairline
>> cracks)
>> 3. Put down plastic or several layers of newspaper
>> 4. lay 2 x 4's down
>> 5. tip piano onto 2 x 4's
>> 6. do the bridges
>> 7. apply glue to the "marked" pins, don't be stingy
>> with the application.
>> 8. check the bridges and add more glue if necessary
>> 9. start in bass and apply at the base of each pin
>> 10. check the bridges and add more glue if necessary
>> 11. start over again in bass
>> 12. check the bridges and add more glue if necessary
>> 13. start over again in bass and stop at the first
>> plain steel wire
>> 14. leave piano on it's back for 48 to 72 hours.
>> 
>> Any brand water thin CA glue works well. Some are
>> less smelly. Do ventilate
>> the area. If the pins have been treated with other
>> pin tighteners the CA
>> glue works even better. If any pins "freeze" in
>> place give them a tap with
>> a tuning pin punch and hammer to break the glue
>> joint. Be careful as the
>> pins may become so tight they will shear off, better
>> to give them a tap
>> when in doubt.
>> 
>> For grands remove the action and place several
>> layers of newspaper in the
>> action cavity. Some people are now turning grand
>> pianos over and applying
>> to the bottom of the pin, I can not speak to that
>> method.
>> 
>> I have used as much as 6 ounces of glue on an
>> upright. I feel this is a
>> "one shot in the dark" so I'd rather use lots of
>> glue.
>> 
>> Did I miss anything? 
>> 
>> At 10:05 AM 5/15/2003 EDT, you wrote:
>> >Upright (but info re grand would also be useful!)
>> > 
>> > Thanks
>> > 
>> > Paul 
>> 
>> Regards,
>> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>> 
>> mailto:pianotuna@accesscomm.ca
>> http://us.geocities.com/drpt1948/
>> 
>> 3004 Grant Rd.
>> REGINA, SK
>> S4S 5G7
>> 306-352-3620 or 1-888-29t-uner
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Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.

mailto:pianotuna@accesscomm.ca
http://us.geocities.com/drpt1948/

3004 Grant Rd.
REGINA, SK
S4S 5G7
306-352-3620 or 1-888-29t-uner

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