Knuckle removal > Installation <

Jon Page jpage@capecod.net
Sat, 09 Nov 1996 21:16:44 -0500 (EST)


OOPS !   Looks like I had it bass ackwards.
Thanks for straightening me out. Good thing I haven't
replaced a lot of knuckles.
Jon Page
>
At 05:51 PM 11/9/96 -0600, you wrote:
>Jon Page wrote:
>>When you go to install new knuckles, remember to gently rub
>>the buckskin on your lip.  You will feel the grain and thus align
>>it so the smoother surface goes in the direction of jack travel.
>>That would be _towards_the flange. Otherwise, the rougher
>>side would cause a slight drag.
>
>Avery Todd wrote:
>   Am I reading you correctly? You "want" the jack to come toward you
>against the grain as the key is depressed and return with the grain to
>enable it to get back under the knuckle quickly. At least that has always
>been my understanding.
>
>Joel Rappaport wrote:
>Jon is correct in his technique for identifying buckskin nap.  Avery is
>correct in the direction.  According to the Renner Company who knows a
>little about putting piano actions together, the jack should be moving
>"against the grain" as you push the key down (the direction Jon
>describes as _towards_ the flange).  The jack should then have as smooth
>a path as possible getting back under the knuckle.







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