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ManualsBrandsSINGER ManualsArts, Crafts & SewingSINGER | Heavy Duty 4423 Sewing Machine with 23 Built-In Stitches -12 Decorative Stitches, 60% Stronger Motor & Automatic Needle Threader, Perfect for Sewing all Types of Fabrics with Ease

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If Upper Thread Is Breaking

If the upper thread is breaking, it could be that the thread path is obstructed, the machine is not

correctly threaded or the upper thread tension is set to tightly. Be sure that the machine is correctly

threaded and there are not obstructions (for example, thread getting caught behind the spool cap or a

“rough spot” on the spool itself). Check also that the upper thread tension control is set correctly

(consult your machine manual).