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Sewing Machines Master
Re: Bobbin clutch just spins
Clutch is disengaged only for winding thread onto the bobbin.
When done, re-engage (tighten) clutch and with bobbin in bobbin case, hold needle thread, rotate handwheel until needle is top centre of it's motion then pull threads thru allowing approx 100mm (4") slack .....you are ready to sew.
If this isn't what you were asking, then I'm not sure why you have disengaged the clutch, so more detail please.
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If the fly wheel is going around then the clutch isn't disengaged to wind the bobbin, you need to pull out the flywheel on your model to disengage the clutch for bobbin winding.
Take thread from thread spool across to bobbin winder thread guide, then back to bobbin and thread the tail through the hole on top of the bobbin. Place bobbin onto spindle on top of machine and then push it against the stop to engage the bobbin winding motor. HOld the thread tail up and start winding slowly until the bobbin core has been covered including the starting point. Stop and trim off the thread tail with scissors. COntinue winding bobbin and give the thread a nudge if needed to wind evening top middle and bottom of the bobbin. A good smooth wind is important. Also don't wind at full speed and keep an eye on the thread reel that the thread is coming off, you don't want it bouncing around as this will **** the thread and stretch then relax it affecting your bobbin wind.
Obviously if you know this and the bobbin winding mechanisim is just not working, then it will need a service/replacement by an Elna repair person.
Sounds to me like your bobbin tension is way too tight. Adjusting the top thread tension will not correct this. Either something is binding up the bobbin (thread or lint) do you wind your own bobbins? Perhaps you have a little too much thread on the bobbin and it acts like a break, stopping the bobbin from spinning freely. Check, clean and oil your bobbin shuttle (the thing that spins around the bobbin).
Top thread not inserted correctly.(must keep thread tight.)
Debris and loose thread around the bobbin cage. All it takes is a tiny piece of thread in the right place.
Bobbin inserted backwards in the "bobbin holder". When installed correctly, There is some resistance when you pull on the thread, but the bobbin will spin without trying to pop out of the "bobbin holder".
I know that it sounds silly but do you have your thread facing the right way? And around the guide the right way? And your clutch disengaged, either on the handwheel and or the bobbin pin lever pushed to the right? Are you holding the tail of the thread for at least 3-4 spins, the releasing? The only other thing could be that the tension looper is disengaged somehow. Good luck, seems like a major pain. I ended up buying a bobbin winder for about $30 for my mother's old machine, she is happy.
Depending what brand and model of sewing machine it is, you can usually disengage the needle bar with the knob inside the handwheel by turning it towards you. If you've done that and the needle bar still moves, it needs oil and should be serviced by a technician.
Checking to see if in fact that the bobbin shaft is turning. Run it without any bobbin on the bobbin shaft. Make sure that it is push over in the correct position and run it. I checked on mine and it does make the whirring sound and the the shaft does spin. Also check underneath the shaft to see if there is any thread wrapped around it. ( I had problems with that in the past). I hope this helps,
The handwheel may have a pull out/push in action to disengage/engage the clutch, or it may automatically disengage when the bobbin winder is moved to the right for winding........hold a short tail of thread to get it started and you should be away.
Move the winder to the left for sewing, or push handwheel in, according to the mechanism.
I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem.
It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)
Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel.
In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.