Was shim pins/now crack options

[Avery Todd]

Hi Wim,

I assume you have to block the bottom of the hole for this to
work. Not being "smart", just wanting to be sure what you mean!

Avery

At 08:58 AM 02/18/02 -0500, you wrote:
>In a message dated 2/17/02 5:25:42 PM !!!First Boot!!!, drjazzca@yahoo.ca 
>writes:
>
>
>>So if a few pin holes have cracks,
>>over sizing will aggravate the problem.
>>
>>Is swabbing the hole with epoxy before driving pins
>>considered acceptable for a client that does not want
>>to spend for a new block. Have people had tight
>>pins for a long time after doing this, or is it
>>to be condemned, and plugs are definitely the way to
>>go.
>
>
>Dave
>
>Just swabbing the sides of the hole will not make the CA glue or epoxy 
>penetrate the cracks. I have done pin block repairs in the past. You want 
>to fill the hole about half way up with an epoxy, and drive the pin ion. 
>The epoxy then has to fine a way out, and the way is into the cracks, and 
>around the pin. For better results, drive in a 2/0 pin, and after the 
>epoxy has dried, remove the 2/0 and drive in a 3/0 pin. The torque will be 
>a little snappy, but the pin will hold. I have done this kind of repair on 
>a whole pin block with good results. It is a good fix on a piano that 
>needs a new pin block, but where the customer doesn't want to pay for one.
>
>Wim