SINGER W173 User Manual
Page 25
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24
Trouble
Upper
thread
breaking
Probable Cause
Improperly threaded
Correction
Refer to threading instructions see page Nos.
8 & 9 and rethread machine.
Too much tension
X^oserTtensiorTon
upper
thread
by
turning
thread tension knob to left.
Starting with take up
in incorrect positon
Improper setting of
needle
Always start sewing with take up lever in
highest position.
Eye of needle too
sharp
Bent or blunt needle
Xefe7t^^ieedle^etting instructions see
page No. 10.
Try a new needle.
^XiscardTlTblunt or bent needles and replace
with new.
Tension too tight
See tensions adjustment page No. 14.
Material
puckering
Dull needle
Change needle.
stitch length too long Reduce stitch length.
B-
%
%
■
%
: ^
^
%
: 1
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