Key let up - knocky noise

Eric Leatha tunrboy@teleport.com
Wed, 8 Oct 1997 22:07:15 -0700


Might check the pinning in the underlever too.


>At 06:38 PM 10/8/97 -0400, you wrote:
>>
>>In a message dated 10/8/97 3:52:02 PM, you wrote:
>>
>>> Question # 1, encountered 10/7/97, 35% realive humidity, a 1965
>>>Steinway L, teflon bushed.
>>>When the key is let go, on the up stroke, there is a woody knocky sound.
>>
>>
>>Check to see that all felt pads are noise free, and that the adj. buttons for
>>the balancier and jack are tight.  After that, make sure the key balance rail
>>holes are not loose.
>>   If this noise is appearing on release, it is also possible that the
>>knuckle is so hard that it is making the noise.   is the repetition grub well
>>lubricated?  Sometimes excessive friction there will require such a strong
>>spring that the jack knocks on its return.  Also check the balancier pinning.
>>
>>       Check all of our sanity to even consider a lifetime of such obtuse
>>problems from which to garner a living.......
>>Regards,
>>Ed Foote
>>Precision Piano Works
>>
>
>Don't forget to check for a loose lead weight.

"Tunings are like bridges... Some are more exceptional than others, but
they all get the job done."

Eric Leatha, RPT
Portland, OR
tunrboy@teleport.com




This PTG archive page provided courtesy of Moy Piano Service, LLC