Posting Guidelines | Or the LL thread isn’t correctly placed over the UL arm (see chapter 4 in your creative serging book, ‘Decorative Basics’). order.. upper looper, lower looper then right needle and left needle. Depending on your serger sewing machine, one of the main reasons for your thread breaking all the time is that you may have threaded your machine wrong. Maybe try loosening the lower looper tension quite a bit and see what happens. If your overlocker (serger) has a differential feed lever, turn it up to stop the back teeth pulling the fabric out from under the presser foot faster than it’s being pulled in. You may have threaded the looper without unthreading the needles. When the thread breaking continues, you should check the state of the needles themselves. The air has been a bit blue around here. Privacy Policy | Really the only reason it will cost so much to repair is because they can't fix it locally and this guy has 30 years exp and the other lady that tried has more repair experience than that! I hope you're handling your problem better than I'm handling mine. Contact Us | Finally I decided to take the thread cones off and threaded the machine again and low and behold.. This little item could be the heart of your problem. If they are not new, bent or broken you should be experiencing thread breaking as you sew. • The stitch length should be increased, • The presser foot pressure should be increased for heavier weight fabrics, • The presser foot pressure should be decreased for lighter weight fabrics, • Do not pull the fabric through the feed dogs while sewing, allow fabric to be automatically fed by the feed dogs, • Tighten the screw that holds the needle in its slot, • Use a larger needle on heavier fabrics, • Check for thread that is tangled or caught, • Check to be sure that needle is inserted correctly, • Check to see if needle is bent or blunt, if so, insert a new needle, • Loosen the thread tension, it may be too tight, • Check to see if the needle is bent or blunt, if so, insert a new needle, • Check to see if the screw holding the needle in place is loose, if so, then tighten the screw, • Make sure that the needle is inserted correctly, • The size of the needle may not be correct for the fabric being sewn, change if necessary, • Check to make sure that the machine is threaded correctly, if not rethread the serger, • The presser foot pressure may need to be increased, • The thread may be poor quality, use a high quality thread, • The thread tension may not be just right, fine tune it, • Check for tangled or caught thread, which could be on the stitch fingers or feed dogs, or loopers, • Check to make sure the serger is threaded correctly, if not rethread it, • The thread tension may be too tight, loosen it, • For lightweight fabrics decrease the presser foot pressure, Irregular trimming of fabric as serge forms the stitch, • Check the alignment of both knives and correct it if the alignment is off, • Replace one or both knives, the knives may be dull, • The looper cover may be open, close the looper cover, • Check to make sure that the machine is plugged in. In this case, it is the issue of your thread breaking all the time. Change your spool if that is the case. How to Get Wrinkles Out of Velvet Easily, Cotton vs Silk: 12 Differences Between Cotton and Silk, Brother 1034d Lower Looper Thread Breaking, Serger Right Needle Thread keeps Breaking.