Question about Bernina Virtuosa 150

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Problem with Bernina 153 motor

Hi Rick, I have a 153 that has been working perfectly but I put a filled bobbin on the thread spindle, to keep it out of the way, and while sewing away the end thread started wrapping around the turn wheel of the machine. All of a sudden I heard a bang, and stopped to look and found my bobbin all wound up around the spindly very tightly, and my motor wheel wouldn't move. I think the thread slipped into the small crack and jammed what little free space was there. I need to know how to actually get the cover off of the machine so I can look at the wheel hardware. I can't seem to figure out how to even get the cover off. I feel dumb but then read your earlier blog and I felt better after hearing it is hard to remove.
Thank you in advance. Deborah

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The problem with removing the covers is all the wire connections you have to unplug after taking the cover screws out and prying off the balance knob on the side. If you are not grounded you can send a static charge through the circiut boards thus eliminating them from functioning ever again. We wear a wrist strap with a grounding wire. Its possible you may have put the bobbin in the case wrong and it was turning the wrong way. The right way is clockwise. I really have to suggest it be looked at by a tech. Sorry.

Posted on Nov 05, 2008

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