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Farmer John

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Reply with quote  #51 
You have me stumped, Kim., I'm sitting in front of my Davis, with the needle plate removed.  There isn't much machinery under the bed.  With the shuttle removed, and holding the hand wheel steady with your right hand, how much back and forth movement is there to the shuttle carrier, when you move it  with your left hand. ? There are two adjustments to remove excessive end play.  If the shuttle carrier will shake up & down vertically, the ball bearings on the swing are pivot shaft need adjusting. 
     Most of the moving parts are behind the face plate, with about 6 rollers that I like to make sure are free to rotate.  Remove the face plate only when the needle is down.  I recently submitted a photo of a roller bearing that had a flat worn upon its surface, causing erratic sewing.  I made a new tool steel roller.  That roller is at the lower right side of the needlebar.
     These are all of the ideas that I presently have.
 
Another thought.....under the bed, to the right of the needle is a straight piece of wire, with loops and screws on each end.  The needle should always be to the left side of the wire.  This wire could be bent and/or when you turn the quilt at a corner, there could be tension on the needle, forcing the needle to the right side of the wire, which would lock up the sm.
Just trying to think out loud,
John
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VintageGalKim

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Reply with quote  #52 

That last bit about the wire makes the most sense. I will have to go out into the spare room and take a look. It is too cold out there to sew right now (no heat installed yet). I had to move it out there to make room for the Christmas tree, lol.

I'm afraid I've gotten a bit ahead of myself - I was so excited to talk DVFs in detail that I jumped into a problem for which I don't have a current reference. However, I will go look for that wire you describe - I don't recall seeing it before. And as soon as I can, I will try doing a binding and be better able to describe exactly what I see in real time. [wink]

Thanks!

Kim


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Kim
So Cal at 4300 ft.
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Farmer John

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Reply with quote  #53 
Vertical wire at center of pix.  Needle should be at the small rectangle to the wire's left
100_2082.jpg 

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VintageGalKim

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Reply with quote  #54 
Yes! Thank you! I went out there with a flashlight and looked and low and behold, there it was! I don't recall seeing it under there before but I will definitely pay special attention to it when I do the binding. I have a baby quilt I could bind with it as soon as I am done with the project I am working on - (just a cover for my 15-30 since I leave it out openin its treadle  all the time and we heat with wood...). It will push me to finish that UFO! 😃 

Thanks again for your help. I really love using this machine, but that issue had me stumped.

Kim 😉

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In a world where you can be anything, be kind.
Kim
So Cal at 4300 ft.
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