Question about Bernina Virtuosa 150

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Knocking noise when sewing

Hello,
I have a problem with my machine making a knocking noise when sewing. It seems to be coming from the needle clamp. As it raises up it appears to be knocking against the plate above it. This hasn't happened before and there has been no damage done to the machine. In fact apart from this noise it seems to be sewing as normal.
Is there something I can do to remedy this problem?
Thank you.

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  • Anonymous Mar 16, 2014

    My Husqvarna 1100 is making a knocking noise when sewing. What could be causing this?

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  • 202 Answers

If the machine does not knock when in straight stitch then it is the stitch width limiter. You would have to take off the side cover with a T20 torx screwdriver. Once open you will see an elongated U-shaped piece with a screw through the bottom of it (its maybe a half inch long or so). Its just above that big bottom thread guide. I think you need a T10 torx driver, loosen that screw and move that u-shaped part slightly (very slightly) so it isn't hitting anymore on the side to side action. It happens but can't really harm anything.
I'm sure thats it.

Posted on Dec 20, 2008

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Posted on Jan 02, 2017

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