SINGER W5135 User Manual
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Be sure lower tension is not too tight.
Do not tug or pull on the fabric while sewing as this will bend and eventually break the
Be sure presser footjas firmly attached to bar.
Do not use a blunt or bent needle.
Insert needle correctly.
Use correct needle size for thread.
Be sure pressure on foot is sufficient when sewing heavy fabrics.
Make sure tensions are properly balanced and that machine is threaded correctly.
Clean thread, dust and lint from hook, shuttle and race.
If condition continues, it may be that the machine is gummy with oil. Apply kerosene to
oil holes, run rapidly for a while, and wipe dry. Then lubricate again with fine sewing