My machine was working fine.... Suddenly, while sewing the cloth stopped moving ahead. I checked the threading, the bobbin etc. I guess, the metal zig-zag teeth (which are just below the needle) are not pushing the cloth. Now when I start the machine, the needle keeps going up and down on the same spot on the cloth. I don't know what could go wrong....just few minutes back the machine was fine.
We need to do some examining. Remove the foot. Put the stitch length dial at the longest stitch. Turn the wheel and see if the feed dogs move about 1/4 inch. Also check to see that they rise just slightly above the needle plate. If it does these two things it will work. If the teeth don't rise above the plate, remove the needle plate and clean the lint out from between the rows of teeth. If you find a lot of tightly packed lint there this will solve your problem. Reinstall the needle plate and foot. If the feed dogs don't move about 1/4 inch, you probably have a problem which is going to require the services of a technician.
sewman7
Look for the lever or knob which raise and lowers your feed dogs. Some machines don't have them, but look anyway. It will probably be near the feed dogs on the lower part of the machine, in front or in back. It may even be inside the cover where the bobbin case goes.There will only be 2 positions you can move it to.If you can't find it then I'm afraid it will need to be seen by a technician.
sewman7
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Thankyou Sewman7 for trying to help. I did the above mentioned things. The teeth move back and forth but "don't seem to rise above the plate".
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