Pfaff Tiptronic 1147 Owner's Manual - Page 27
Machine, skips, stitches, inserted, Needle, thread, breaks, Trouble, shooting, uniform
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4 Trouble shooting Cause: 1. Machine skips stitches Needle not inserted correctly. Wrong needle used. Needle bent or blunt. Machine threaded improperly. Needle too thin for thread used. Remedy: Push needle up flat shank side as far facing as it will go, its toward the back. Insert system 130/705 H needle. lnsert new needle. Check threading. Select needle according to Needle and Thread Chart. 2. Needle thread breaks For any of the above reasons. Thread tension too strong. Poroothr-rqeuaadlitthyaot rhkansobtteycothmreeatdoousderdy, by excessive storage. 3. Needle breaks Needle not pushed up as far as it will go. Needle bent. Needle too thin or too thick. Needle bent and because work is strikes pushed needle plate or pulled. Bobbin case improperly inserted. See par. 1 above. Regulate thread tensions. Used only good-quality thread. Insert new needle and push it up as far as it will go. Insert new needle. See Needle and Thread Chart. LOentlymgaucihdienethfeeemd attheeriawl olrigkhatllyo.ne. When inserting the bobbin case, push it in as for as it will go. 4. Seam is not uniform Tension out of adjustment. Thread too thick, knotty or hard. Bobbin thread wound unevenly. Kinks appear on top and bottom of material. Check upper and lower tensions. Use first-class thread only. During thread bobbin winding, do in hand, but pass it not hold through the bobbin tension stud. Thread machine properly and check both tensions. 24