Grand knuckle material

Paul Dempsey dempsey@ramlink.net
Mon, 24 Nov 1997 18:11:36 -0400


> I've sometimes used liquid Protek on knuckles.  This time, I used Protek
>>grease.  In both cases, I certainly do get rid of the squeak.  However, I am
>>concerned that in both cases, the substance might be potentially harmful to
>>natural leather or maybe even the synthetic in the long run.  I used the
>>grease by rubbing it into the knuckle.  I wanted something that would not
>>evaporate or break down again soon.  Although I did not use an excessive
>>amount, I wonder whether the grease will itself cause a squeak later on (such
>>as graphite grease is known to do), attract dust or lint or cause some other
>>unforseen problem such as deterioration of the material.
>>    What is the list's concensus on lubing grand knuckles either synthetic or
>>natural?   Have most manufacturers gone to using synthetics?
>>    Bill Bremmer RPT
>>    Madison, Wisconsin

Bill,

 Any kind of grease is the LAST thing you want on a knuckle. Clean, dry leather with dry talc or teflon powder is all you should consider using. 

Paul E. Dempsey
Piano Tuner/Technician
Marshall University
Huntington, WV
dempsey@ramlink.net




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