Question about Simplicity Performer S110 Mechanical Sewing Machine
Hi bobbin....Because this machine is still unfamiliar to you, be certain that your upper thread is indeed completely threaded into and between the upper tension discs. Typically, raising the Presser Foot disengages applied tension upon the tension discs. It's quite possible that the lever which disengages your upper tension discs has slipped, and is no longer allowing the thread to freely position itself properly between discs. You may also firmly grasp the thread just before the discs, and firmly pulling with your other hand, thereby ensuring that the thread is completely within the discs. If those initial steps have not remedied your situation, examine your bobbin case, and ensure that the flat metal spring has not "cracked", paying particular attention the end where the thread exits the bobbin case under the spring. If the spring appears whole to you, using a screwdriver, in a counter-clockwise direction, turn the set-screw which fastens the spring to your bobbin case 1/5 rotation, and rethread. Set your upper tension to 4, and test sew using a straight stitch with medium stitch length. The knot after each stitch should appear to be in the center of your fabric. If the knot is still well below the center, loosen the bobbin case spring set screw by another 1/5 turn and repeat your test. If you must, you can repeat the process ONE more time, but no more. Remember, the set screw that secures the spring is very short, with little room for error. ****I recommend that you place a towel directly under the bobbin case prior to turning the screw, which will catch the screw and or spring for easy retrieval should you unintentionally dislodge them.....good luck my friend
Posted on Aug 02, 2007
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