Question about Singer 7442 Mechanical Sewing Machine
My singer was sewing just fine when I heard a loud thump and the racer came loose. I put the racer back in but now it won't lockstitch. It just makes a huge rat nest. Can I fix this myself?
SOURCE: singer solid state-bobbin part
Check your tension disks, with your presser foot up, and the tension dial on zero. Sometimes a piece of cotton breaks off between the tension disks and then prevents the disks to work properly. Also make sure when you thread the machine, the thread does go through the disks and over the take up lever. After you threaded the machine, before putting the thread through the eye of the needle, lower the presser foot and while pulling on the thread with your left hand, increase the tension with your right hand. Do it slowly and you should feel in difference in tension. If this is the case, your machine should work fine. Also use a ball-point needle on t shirt material. Good luck!
Posted on Nov 03, 2008
SOURCE: sewing machine thread nesting
I have fixed it now the bobbin case didn't seem to stay seated during sewing or tangling i should say!. I decided to change the needle and from then on everything worked fine.
Posted on May 09, 2009
Anytime I have had it happen it was because my machine wasn't properly threaded. The first place you run the thread through it has to click into place in two places. If it misses one it will birdnest.
Posted on Sep 02, 2009
Make sure the bobbin is extended out of the bobbin case via the tension spring mechanism in the bobbin case. This provides tension for the bobbin unit. Check to make sure the upper thread has not "jumped out" of the take-up lever so that when the needle first touches the fabric the thread is still taunt and when the needle enters the fabric a small loop is formed right above the fabric and the eye of the needle. If these tips do not help suggest that you take it to an authorized husqvarna viking dealer for service. You can locate a dealer near you by visiting the husqvarna viking website and clicking on the Dealer link on the left-hand side of the page - http://www.husqvarnaviking.com
Posted on Feb 14, 2010
Check that it is threaded correctly (both top and bottom) making sure that the upper thread is in the takeup lever and the bobbin is guided through the tension spring in the bobbin case. Watch the needle as you slowly turn the handwheel counter clockwise (toward you) and the needle point touches the fabric (make sure presser foot is down). Is the thread still relatively taunt? If it is loose, the upper thread tension unit does not have enough tension. Check the areas where the thread goes and make sure you remove any loose threads or fluff which could be inhibiting the tension discs from closing over the thread. If the tension unit still is not tightening enough, the tension unit may need to be replaced or the circuit board replaced. If everything is ok in the upper thread area, now look at the bobbin area. With no fabric, watch as the needle enters the bobbin area. Does it go down and the upper thread catch the bobbin thread and pulls it to the surface? Check for anything preventing the bobbin thread from being pulled up to the surface through the needle plate. If you have still not been able to resolve the problem suggest you take it to an authorized husqvarna viking dealer for service. You can locate a dealer near you by visiting the husqvarna viking website and clicking on the Dealer link on the left-hand side of the page - http://www.husqvarnaviking.com
Posted on Feb 14, 2010
Needle could be loose or bended or use another size. Put the needle all the way out and the insert a new one inside making sure is the right way in (flat part hasto be looking oposite of you).
another thing is that the Tension could be too tight.
Last, Rethread the machine with another thread to make sure is good.
Hope it helps
Posted on Feb 19, 2010
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There are a few problems this could be. Your top thread could be broken or about to break; your bobbin thread could be broken, about to break or empty/about to become empty and is loose around the bobbin; you could have a birds' nest (a mass of thread just under the fabric/presser foot and/or within the feed dog and bobbin) forming and causing a jam; or it could be your Futura having a little bit of a hissy fit. Obviously, if you've checked for broken thread you need to move on. Check for a birds' nest by removing the fabric and clip your threads. If you find one, clear it, rethread your bobbin and begin sewing again. If there's no birds' nest, then place the fabric back in and try sewing/embroidering again. If the machine acts up again, I recommend removing the fabric/hoop, rethreading your top and bobbin threads, replacing fabric/hoop and resuming where you left off. If the machine still gives you trouble, try hitting the start button for a couple of times and seeing if the problem doesn't simply resolve itself. When you're embroidering areas that have a few small, short stitches only, the machine seems to act up a little and then behaves fine once you bypass the area. Be sure to take all of the other steps first, though, because a birds' nest will RUIN a beautiful seam or embroidery.
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