SINGER W1762 User Manual
Page 31
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Zi
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
Tensions too tight
Dull needle
Stitch length too long
Refer to threading instructions see page No.
9 and rethead 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 No. 6.
...
Try a new needle.
Discard all blunt or bent needles and re
place with new.
See tensions adjustment page No. 11. and 12.
Change needle.
Reduce stitch length.
Correction