Singer S900 INSPIRATION Instruction Manual 2 - Page 37

36 Trouble Skipping Stitches Irregular Sititches Uneven Stitches Probable Cause Bent needle Needle placed incorrectly in clamp Too fine a needle for thread being used Upper thread tension too loose Improper threading Bobbin not wound evenly Pulling or holding material Not enough tension on upper thread Poor quality thread Needle too fine for thread_being_used Correction Discard and replace. See instruction, page No. 6. See needle and thread chart, page No. 4. Tighten upper tension. See threading instruction, page No. 5 Rewind bobbin. Avoid pulling or holding material, just guide it. Increase tension. Try different thread. See needle and thread chart, page No. 4.