SINGER W167 User Manual

Page 31

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29

Trouble

Upper thread
breaking

Material
puckering

Probable cause

Improperly threaded.

Too much tension.

Starting with take up in

incorrect position.

Improper setting of needle.

Eye of needle too sharp.

Bent or blunt needle.

Tension too tight.

Dull needle.

Stitch length too long.

Correction

Refer to threading instructions see page 9
and rethread machine.

Loosen tension on upper thread by turning
thread tension knob to lower number.

Always start sewing with take up lever in
highest position.

Refer to needle setting instructions see page
6

.

Try a new needle.

Discard all blunt or bent needles and replace

with new one.

See tensions adjustment page 11.

Change needle.

Reduce stitch length.

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