Singer S900 INSPIRATION Instruction Manual 2 - Page 38

37 Trouble Probable Cause Upper Thread Breaking Improperly threaded Too much tension Starting with take-up in incorrect position Improper setting of needle Bent or eye of needle too sharp Bent or blunt needle Material Puckering Tensions too tight Dull needle Sewing Stretch Stitch Stitch length too long Machine noisy Material will not feed Correction Refer to threadino instructions, see page No. 5, and rethread macnine. Loosen tension on upper thread by turn jna 0 thread tension knob to lower number. Always start sewing with take-up lever in highest position. Refer to needle setting instruction, see page No.6. Try a new needle. Discard all blunt or bent needles and replace with new. See tension adjustment, page No. 9 Change needle. Reduce stitch length. Set stitch length control at Number 5.