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27
Correction
Refer to threading instructions see page No.
8 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
No. 6.
Try a new needle.
Discard all blunt or bent needles and replace
with new.
See tensions adjustment page No. 10.
Change needle.
Reduce stitch length.
Move bobbin winder to off position away
from hand wheel.
Trouble
Upper thread
breaking
up in
Probable Cause
Improperly threaded
Too much tension
Starting with take
incorrect position
Improper setting of needle
Eye of needle too sharp
Bent or blunt needle
Tensions too tight
Dull needle
Stitch length too long
Bobbin winder near hand
wheel.
Material
puckering
Machine not
operating
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