Question about Bernina Virtuosa 150

1 Answer

Needle Keeps Moving While Sewing and Bobbin Wont Thread

I was sewing over a fleece seam (not even that thick) and the needle broke and bent, so I change the needle thinking it was just another breakage, but now when i turn the wheel manually the needle gets to the top and is hard to move and the needle changes positions! On top of that the needle wont catch the bobbin thread, it looks like it wont go down far enough.
I looked inside and when the wheel is turned and reaches the top the arm connecting what ever it is that moves the needle position pulls to the side and makes the needle move to the side and then snaps back into position once the needle starts to come back down again. And there is a little black thing that moves when the needle position is changed but it struggles and stops when it gets to one side, its attached to the back of some flat cylinder box thats on its side.

Thats probably a horrible explanation but its all i can really say:S Nothing like this has happened before and i use the machine everyday, id rather not have to fork out another couple hundred dollars to get it fixed if i dont need to.

PLEASE HELP i really need to get back to work:(
Thanks!!!!!
Nikki

Posted by on

  • opium May 06, 2008

    Thanks but its not quite the problem. The black thing i was talking about is on the inside of the machine, its not the little tightener for the needle. The needles im using are the right ones and its tight and everything, im sure i can figure that part out, im more concerned about the needle moving side ways when it reaches the top of the spin when its not suppose to, and it resisting alot when i get to that point. I wasnt sewing when i explained it was moving sideways so there was no material to pull the needle over, there is something wrong with the mechanical bit that moves the needle into its different positions. Thanks for trying but :D

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Hi Nikki,

The problem seems to be of the needles alignment. If you are using a half bobbin type (D type) needle, makes sure you have used the proper number & size and also fastened it well so that the flat side is firmly fixed/clasping the inner side of the needle hold. That black thing which I feel is the fly-nut that helps you tighten/clamp the needle to its hold. Then after having done that, slowly turn the wheel manually to see whether the needle is going in thru the hole in a straight line and if you can, look underneath to se if the knotter ring (the one that looks like having fangs) comes close as the neele advances inward. All these movements HAVE TO BE syncronised. Only then you will be able to stitch the fines of fabrics speedily. Also make sure oyu are not tugging on the front end of the fabric too hard as this may cause the needle to go in a diagonal manner thus causing it to snap. Take care as to NOT to be too close to the needle while at high speeds. The snapping pieces can fly right into your eyes/nose causing serious injury.

Hope that does it Nikki...

Posted on May 06, 2008

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