SINGER W166 User Manual
Page 32
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50
Trouble
Probable Cause
Correction
Improperly threaded
Refer to threading instructions see page
and rethread machine.
No. 9
Too much tension
Loosen tension on u[)per thread by
thread tension knob to lower number.
turning
Upper thread
breaking
Starting with take up in
incorrect position
Improper setting of needle
Always start sewing with take up k
highest position.
Refer to needle setting instructions
page No. 6
’ver in
see
Eye of needle to sharp
Try a new needle.
Bent or blunt needle
Discard all blunt or bent needles and
with new.
replace
Material
puckering
Tensions too tight
Dull needle
See tensions adjustment page No. 11.
Change needle.
Stitch length too long
Reduce stitch length.
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