My First Agraffe Repair - Done

[David Ilvedson]

That's a good tip!

David Ilvedson



----- Original message ----------------------------------------
From: Kent Swafford <kswafford@earthlink.net>
To: Pianotech <pianotech@ptg.org>
Received: Thu, 3 Mar 2005 21:49:48 -0600
Subject: Re: My First Agraffe Repair - Done


>There's little choice but to ream if you have a single agraffe to put 
>into a single hole and it doesn't fit. However, there is a better way. 
>Have a handful of agraffes available. If the first one doesn't fit, 
>take it out and try another, and another until one fits. Each hole will 
>take only a few tries to find one that fits,  and taking advantage of 
>the natural variation in the fit of the parts is much easier than 
>reaming.

>Kent


>On Mar 3, 2005, at 4:24 PM, Terry wrote:

>> Glad to hear things worked out for you. Pianotek (I think) sells a 
>> handy
>> little reamer that is specifically designed to evenly shave off brass 
>> from
>> the bottom of the main body of the agraffe. It works well.
>>
>> Terry Farrell
>>
>>> That 1927 Steinway agraffe repair came off with hardly a hitch.  The 
>>> new
>>> agraffe from Schaff had that conical undercut.  Even so, I could not 
>>> turn
>>> it far enough after first contact for proper alignment.  And a 10-mil 
>>> shim
>>> washer produced about the same misalignment, only a half-turn earlier.
>>> Instead what I did was this.  I wrapped the threads with a bit of 
>>> paper to
>>> protect them and then very lightly stroked the seating surface of the
>>> agraffe with a fine-toothed machinist’s file.  I rotated the agraffe 
>>> so as
>>> to take off material evenly around the seat.  The first try was 
>>> perfect.
>>> It delayed first contact by about 90 degrees, which made proper 
>>> alignment
>>> reachable with a very snug fit.
>>>
>>> And yes, Joe, I did loose one becket, but the old strings went in and 
>>> are
>>> up to pitch.  I think it helped that I never completely straightened 
>>> out
>>> the wire ends when I removed the strings.  I enlarged the coils just
>>> enough to allow the wire to slip out of the agraffe hole.  You can 
>>> twist a
>>> surprisingly small coil through an agraffe if you’re careful.
>>>
>>> Robert Scott
>>> Ypsilanti, Michigan
>>
>>
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>>

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