SOURCE: bobbin doesn't fill in bobbin winder
The bobbin winder question is a frequent one and it is very easy to solve. If you look at the shaft where the bobbin sits on the bobbin winder, you will notice that it has a slot in the middle of the shaft, an opening if you will. This is where you use a flat screw driver and open that space more to give more friction to the bobbin so it is not loose on the shaft. That slot was made for that. There are different bobbins on the market so thats why the slot is there. If it is too tight, grab a pair of pliers and close the gap. The metal of the bobbin winder on that shaft is malleable exactly for this reason. No need to put plastic bag material or anything like that. Use it as it was intended for.
SOURCE: Problem with winding thread onto
first you must make sure the winder shaft is turning by moving it to the right a little and see if you can turn it by hand.
If it is turning ok then there is a rubber ring on the other end of the winder shaft and it should come in contact with the drive which turnes it ,if it is worn it might need a new rubber.
SOURCE: singer 328k bobbin winder replacement
Follow these instructions, undo the 2 screws on the right hand side plate where the balance wheel is and take the plate off, undo the screw on the chrome stop motion wheel, undo the stop motion and take it off, take off the 2 pronged washer and notice which way it goes on, not a problem if you can't remember, you should be able to pull the balance wheel back so you can get to the screws on the winder, if you can.t and if you have a problem getting the balance wheel all the way then go the very bottom of the machine and you will see 2 big holes and one of the holes will lead you to a big screw and nylon adjuster, slacken the screw and move the nylon adjust so the belt goes slack, you can not take the balance wheel all the way off to get to the screws on the winder, take the old one off and screw the new one on, whilst you have the balance wheel off it would be wise to put some thin oil on the shaft before you put the balance wheel back on, when you have the balance wheel on and the and the belt round the pulley turn the nylon adjuster so the belt is tight and tighten up the screw, put the side plate back on, put the 3 pronged washer back on, put the stop motion wheel back on and just tighten finger tight then tighten the small screw.
SOURCE: Bobbin winder will not spin on sewing machine
If you take the top off you will see a tiny rubber tire that engages the winder to the handwheel. Over time they get really soft are really hard and disintgrate. If you have a local sewing shop take the old one in and get a new one to slip on it takes only a few minutes and cost usually less that $2.00
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