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Thread: Performax/Jet 10- 20 Design Problem

  1. #61
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    Quote Originally Posted by Sven View Post
    Ooh, now you got me all nervous again. Do you need the screw to make the spare part?
    These undersized screwed spindles seem to vary quite a bit Sven....So I prefer to machine a new cast iron nut to suit each spindle.
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

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  2. #62
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    Ken,

    Would this problem present itself even to those of us in the "low usage" realm? (3 to 4 hours per month) Or is it just on 10-20's with high volume?

  3. #63

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    Keep that threaded rod greased and it will be far less likely to fail under normal usage.
    Michael Smith
    Goat Rock Ukulele
    www.goatrockukulele.com

  4. #64
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    Quote Originally Posted by Michael Smith View Post
    Keep that threaded rod greased and it will be far less likely to fail under normal usage.
    Mine was well lubricated but way undersized.
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    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

  5. #65
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    Another one broke down same fault , this time in Japan ...Another repair kit one the way.
    Last edited by Timbuck; 11-03-2015 at 04:05 AM.
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

  6. #66
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    After several repairs on these I have come to the final conclusion that the spindles are a unique thread size approx: .547" DIA X 18 TPI UNF ... to have a special Tap made to this size I think would be very costly....and the best way to make the nut, is to machine the thread in the lathe to suit the spindle.
    Last edited by Timbuck; 05-01-2017 at 11:51 PM.
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

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