Centering Grand Jacks in the Window

[AlliedPianoCraft]

Attached is a photo of the tool I made about 44 years ago to center the jacks without removing the repetitions.

Small piece of aluminum on top and tapered hammer felt on the bottom.

Al Guecia
  ----- Original Message ----- 
  From: Dean May 
  To: 'Pianotech List' 
  Sent: Saturday, April 05, 2008 10:04 AM
  Subject: RE: Centering Grand Jacks in the Window


  Okay, now I'm really confused by all the different verbal descriptions. How about a picture? 

   

  Dean

  Dean May             cell 812.239.3359 

  PianoRebuilders.com   812.235.5272 

  Terre Haute IN  47802

   


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  From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Farrell
  Sent: Saturday, April 05, 2008 6:22 AM
  To: Pianotech List
  Subject: Re: Centering Grand Jacks in the Window

   

  Correct - but be sure that the base of the jack body is free of the support device - support only one side of the wippen lever.

   

  "Tap gently with a small hammer while supporting the side" - of the wippen base lever- not the jack at all - "TO WHICH the jack must go to be centered."

   

  As stated, it only takes a gentle tap.

   

  Terry Farrell

    ----- Original Message ----- 

    From: James H Frazee 

    To: Pianotech List 

    Sent: Friday, April 04, 2008 7:15 PM

    Subject: Re: Centering Grand Jacks in the Window

     

    Michael,

     

    Tap gently with a small hammer while supporting the side TO WHICH the jack must go to be centered.
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