Pfaff tipmatic 1151 Owner's Manual - Page 61
Fault, finding, Needle, thread, breaks, Machine, skips, stitches, uniform
View all Pfaff tipmatic 1151 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 61 highlights
Fault finding Cause: 1. Machine skips stitches Needle not inserted correctly. Wrong needle used. Needle bent or blunt. Machine threaded incorrectly. Needle too thin for thread used. 2. Needle thread breaks For any of the above reasons. Thread tension too strong. Poor-quality or knotty thread used, or thread that has become too dry 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 strikes needle plate because work is pushed or pulled. Bobbin case improperly inserted. 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 Remedy: Push needle up as far as it will go, ft fiat shank side facing toward the back. Insert system 130/705 H needle. Insert new needle. Check threading. Insert thicker needle. See par. 1 above. Regulate thread tensions. Use only good-quality thread. Insert new needle and push it up as far as it will go. Insert new needle. Refer to needle table. Allow machine feed to work alone. Only guide the material lightly. When inserting the bobbin case, push it in as for as it will go. Check upper and lower tensions. Use first-class thread only. During bobbin winding, do not hold thread in hand, but pass it through the bobbin tension stud. Thread machine properly and check both tensions. 58 j