Kawai plastic flange repinning

[Don Mannino]

Jon,

You can use whatever feels snug.  If you can push it through with your
fingers, then go larger.

You can go way oversized without damaging the parts also, so just pin
according to the bushing, as long as the pin is tight in the birds-eye.

Don Mannino
 

> -----Original Message-----
> From: pianotech-bounces at ptg.org 
> [mailto:pianotech-bounces at ptg.org] On Behalf Of Jon Page
> Sent: Thursday, July 12, 2007 6:32 PM
> To: pianotech at ptg.org
> Subject: Kawai plastic flange repinning
> 
> I'm repining the plastic hammer butt/flanges on a Kawai 601, c. 1989.
> The pinning is a little tight. Removing .050 pins.
> 
> I know with wooden parts it's advisable to repin with two 
> sizes larger, a .052; but for plastic, can I repin with .051?
> 
> I've done two so far with a .050 straight reamer and 
> burnished to .051, which seem OK but would like to know if 
> pin drift might occur because of the grip in the butt and 
> should jump up to a .052 pin. They push in with sufficient 
> grip, just need to know the better execution.
> -- 
> 
> Regards,
> 
> Jon Page
>