Pfaff creative 7570 Owner's Manual - Page 161

Sewing faults and their removal J Cause: 1. The machine skips stitches Needle is not properly inserted. A wrong needle has been inserted. Needle is bent or blunt. Machine is not properly threaded. Needle is too small for the thread. Removal: Push needle fully upwards. Flat side to the back. Use needle system 130/705 H. Insert a new needle. Check the threading paths. Use a larger needle. 2. The needle thread breaks See 1. J Thread tension is too tight. Thread is poor or has slubs in it or it has J become dry after too long in storage. Thread is too thick. See 1. Adjust thread tension. Only use good threads. Use a needle with a larger eye (System 130 N). j J J J 3. Needle breaks off Needle not pushed in fully. Needle is bent. Needle is too thick or too thin. Needle is bent and hits the needle plate because you are pulling or pushing the fabric. The bobbin case is not properly inserted. Insert new needle and push it fully in. Insert new needle. See needle chart (Pages 152/153). Let the machine feed the fabric. Only guide the fabric lightly. Push the bobbin case in fully when inserting it. 4. Seam is sewn unevenly The tension needs adjusting. I Thread is too thick, slubbed or hard. The bobbin thread is unevenly wound. Thread loops above or below the stitch Check needle-thread and bobbin-thread tensions. Use perfect threads only. Do not wind free-hand. Run the thread through the primary tension. Thread up correctly. Check needle-thread and bobbin-thread tensions. J 5. The machine does not feed or feeds irregularly Sewing lint has collected between the feed dog I teeth rows. Feed dog is lowered. Slide C (see page 37)15 at right. Remove needle plate, remove lint with brush. Push slide C (see page 37) to the left. 6. Machine binds Loose threads in the hook race 4! Remove loose thread and apply one drop of oil C to the hook. U) J 7. Machine does not sew the entered program Switch off the machine and back on again after about 10 seconds. Enter desired program again. Important notes: Before changing the sewing feet or needles, you must switch off the master switch. '- Do not start the threaded machine without fabric in it. If you leave the machine, even for a short time, do not forget to switch off the master switch. This is especially important when children are nearby. 159