Hi, I broke a needle while sewing and ever since I put a new replacement needle in, the bobbin thread bunches up around the bobbin holder after 1 or 2 stitches. Also there is a slight "clunking" sound when the top needle comes down. I think something is out of line. Is this something I can fix by myself? The replacement needle has been put in correctly with the flat side to the back. Thanks.
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Re: Singer 7422 bobbin thread bunching up
I assume you checked to see there are no needle bits in the bobbin case holder.
Without looking at the machine it is difficult to diagnose the problem. It could be any one or a combination of problems, timing, needle bar height, damage to the hook and base etc.
I strongly suggest you have it looked at by a sewing machine tech.
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Put in a new needle. Unthread the machine then rethread it being sure it is threaded correctly--especially through the tension control. Remove the bobbin and make sure it is wound correctly. Replace the bobbin and being certain that it is in the correct position. Check the manual if you are unsure how your machine is threaded or how to replace the needle.
try changing the needle make sure the bobbin is turned the correct way in the bobbin case make sure the thread has not come off the thread take up lever clean under the needle plate and in the bobbin area for lint
Mine is also doing this, but it has an auto tension and doesn't have those numbers on it. It is the 7422 Advance. I just bought this machine and have yet to be able to do anything with it. Very disappointed. Taking it back ASAP and never buying Singer again. Machine locks up for nothing, have to turn off and back on and it works, then the thread bunches up at bobbin and I have checked everything. And it was suppose to be able to accomodate a little bulk, (doing a quilted christmas stocking), however the fabric will not feed and it just starts to bunch up. Good luck