Repairing the Bobbin Winder on a Singer 4423?

I have a Singer 4423. The bobbin got stuck on the bobbin winder, we had to pull hard and the post the bobbin sat on came out of the machine. We have put it back in, but bobbin winder now doesn't turn. After taking top off the machine there is a metal spring with a bit on the end that fits in somewhere. I cannot figure it out.


Please help.

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December 6, 20180 found this helpful

If you don't want to pay a service fee, which I think you will need as it seems you have broken a part, you can buy a product called Sidewinder. It is a stand-alone bobbin winder. It costs about $30.

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June 13, 20200 found this helpful

I had a similar issue and fixed it. The vertical end of the spring goes into the little hole on the white arm of the bobbin winder. It must go in from the bottom (underside) of the bobbin winder. I had to use needle-nose pliers and push the spring quite tight but when it popped into the hole the bobbin winder worked perfect and would "stay put" in either the engaged or disengaged position. The other end of the spring went into the only hole in housing that was within reach and must go in first before doing the bobbin winder end.

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December 8, 20180 found this helpful

This is a cleaning and maintenance video but there may be something in it if you watch that can give you an idea of repair if that is possible:

You can always call Singer customer service and ask for their input:

Hope you can find an easy solution!

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December 8, 20180 found this helpful

obviously you probably need to consult a professional but it sounds like the piece got stuck due to a lack of lubrication and possibly a thread in the mechanism lost its way and created the lack of turning which then ejected the spring mechanism, thus rendering the machine nonfunctional

you must figure out where the metal piece came from as ths was instrumental to the turning mechanism

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December 9, 20180 found this helpful

You have a problem that only a professional can help you with.

Check out this site as they have a marvelous Singer network and these responders know everything there is to know about Singer sewing machines.
You will have to join (free) but you can ask your question and someone will tell you what to do - in very plain English.

Be sure to tell them everything that happened and also your level of expertise with this machine so they will know how to answer.

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