Kawai plastic flange repinning

[piannaman at aol.com]

Jon,

One reason I like the abs parts (and carbon-abs, for that matter), is that they are less prone to breakage than wood parts.? As Don says, you don't have to err on the side of caution with these.



Dave Stahl

Dave Stahl Piano Service
650-224-3560
dstahlpiano at sbcglobal.net
http://dstahlpiano.net/

-----Original Message-----
From: Don Mannino <donmannino at ca.rr.com>
To: 'Pianotech List' <pianotech at ptg.org>
Sent: Thu, 12 Jul 2007 6:44 pm
Subject: RE: Kawai plastic flange repinning




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
> 



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