Jaras Jig and buttons

[Gene Nelson]

Hello Mike -
----- Original Message ----- 
From: "MICHAEL MORVAN" <keymaestro at verizon.net>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Tuesday, May 29, 2007 12:54 PM
Subject: Jaras Jig and buttons


> Gene,
>    If I could make a suggestion, key elements in button replacement are 
> that:
> 1. It is more important that the mortised area of the button be in-line 
> (parallel) with the balance hole, not centered in the keystick or button,
Do you have a technique to make this happen when replacing buttons?

> the pin should also be straight, (view the bloopers page of my website

I did tidy up the pins with a square before the job.

> www.pianoandorgankeys.com where I show capstans, buttons and balance holes 
> that are not even close to being centered in the keystick, and this 
> happens more than you think)

Never did look that closely at any piano - in future I will.


> 2. the placement be such that the pin does not hit the back of the 
> mortised area in the button when depressed.

Was able to avoid this one.

> Just some things to consider. Mike

Thanks very much for the info Mike.

Gene
>
> Michael A. Morvan
> Blackstone Valley Piano
> Dedicated To Advancing The Art Of Keyboard Restoration
> 76 Sutton Street
> Uxbridge, Ma. 01569
> (508) 278-9762
> Keymaestro at verizon.net
> www.pianoandorgankeys.com
>
> ----- Original Message ----- 
> From: "Gene Nelson" <nelsong at pbic.net>
> To: "Pianotech List" <pianotech at ptg.org>
> Sent: Monday, May 28, 2007 10:32 PM
> Subject: Re: was: help with Jaras Jig
>
>
>> Thanks for the photos and explaination.
>> Supporting the keys in three places sounds like it gives the needed 
>> additional margin of advantage as there is nothing symetrical about any 
>> of this that I can find.
>> Lo tech rules.
>> Gene
>> ----- Original Message ----- 
>> From: "Ron Nossaman" <rnossaman at cox.net>
>> To: "Pianotech List" <pianotech at ptg.org>
>> Sent: Monday, May 28, 2007 3:49 PM
>> Subject: Re: was: help with Jaras Jig
>>
>>
>>>
>>>> Many thanks for the replies.
>>>
>>> Hi Gene,
>>> I meant to get back to you on this one and wandered off behind
>>> the little animals and forgot. I did a set of top plates and
>>> long buttons on a D a couple of years ago, and had similar
>>> concerns. I propped the front of the keys up with a stick,
>>> just thick enough so they were barely resting on the balance
>>> rail punchings, so the keys were supported front, center, and
>>> back. I then bent the center rail pin as necessary to center
>>> it on the key in the top of the mortise before putting on the
>>> top plates and repeated the process for the buttons. The
>>> results centered the button mortises nicely. The high res
>>> photos are clearer, but these should be decipherable.
>>>
>>> Low tech, but it worked pretty well for me.
>>>
>>> Ron N
>>>
>>
>>
>>
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