Driving Tuning Pins

[David ilvedson]

Driving the pins would be the first thing I'd do concerning loose 
pins.  Try one and see if the torque goes up.  

David Ilvedson, RPT

From:           	JTTUNER@webtv.net (james turner)
Date sent:      	Thu, 6 May 1999 02:30:10 -0500 (EST)
To:             	pianotech@ptg.org
Subject:        	Driving Tuning Pins
Send reply to:  	pianotech@ptg.org

> Several technicians have poi nted out the importance of the coil to
> plate ratio recently. On many older pianos, it is standard practice to
> drive loose tuning pins deeper into the block so the piano will hold
> tune again.
> 
> In doing this, the bottom of the coil will be pretty close to the plate.
> Will this cause any new problems?
> 
> With the newer technique of using CA for loose tuning pins, is it
> necessary to drive the tuning pins deeper into the pinblock?  I have a
> spinet Gulbransen piano with loose pins that I will be using CA on.  I
> was just wondering if it is still necessary to drive the pins in along
> with the CA.
> 
> Thanks,
> 
> Jim Turner
> 
> 


David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net