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Necchi 3537 ~ Stop Motion Knob Won't Turn


I bought my machine many years ago and have not used it much. I took it out and tried to wind a bobbin, but I can't seem to unloosen the stop motion knob in order for the bobbin to fill.

Any ideas please?


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  • dmyers01 Jun 28, 2008

    Thank you very very much for your help. This a.m. early, I took the covers off and noticed there was rust, so I got a big pair of pliers and turned the stop motion knob and it moved. Once I knew it was rust, I assumed it just needed loosened up, so I became brave and got the big pliers!

    Thanks again for your help !




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Posted on Jan 02, 2017

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SOURCE: Stop Motion Knob

Dear Jim,
I'm sure you have a pair of Channel lock pliers around.Place a fairly thick piece of fabric around the inner knob to keep from scratching it. Grasp it with the pliers while holding the handwheel and turn it to the left. IF you can't hold the wheel to keep it from slipping, place a screwdriver or something else under the needle set screw area, turn the wheel until the set screw is resting against the set screw and then turn the inner knob with the pliers.

Posted on Sep 03, 2008

  • 980 Answers

SOURCE: took stop motion knob off how do the pieces go

You should have a three pronged washer, put that on first anyway round, then put the stop motion wheel on and tighten fineger tight, tighten the small screw that should be on the stop motion wheel and tighten a bit more, if it does not tighten up take the stop motion wheel off and put the three pronged washer in a different position.

Posted on Jul 18, 2010

  • 92 Answers

SOURCE: I cannot loosen stop motion

Sometimes the knob locks so tight it requires a good strong beefy man to loosen it. Turn it counter clockwise!! You can also wind without loosening the knob, just MAKE SURE to unthread the machine and to sew for winding only. It works for all industrial machines, without loosening the knob.


Posted on Jan 15, 2011

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