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KNOWING YOUR SEWING MACHINE —————————————————————————————————————————————
—
40
Performance Checklist
Whenever sewing difficulties are encountered, first review the manual section about the operation that you are
performing, to make sure you are using the machine correctly. If the problem persists, the following checklist
may help improve the operation.
If you still have difficulties, contact your nearest service center.
The combination
of needle size/
thread size/fabric
is incorrect.
No No No No No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
FABRIC
PUCKERS
SKIPPED
STITCHES
LOOP IN SEAM
LOWER THREAD
BREAKS
UPPER THREAD
BREAKS
Lower thread is
tangled.
Needle is incor-
rectly inserted.
Thread tension is
incorrect.
Thread tension is
too tight.
Bobbin is not
threaded properly
in the shuttle
hook.
Upper thread is
tangled.
Inferior needle is
used.
Threading is not
correct.
The combination
of needle size/
thread size/fabric
is incorrect.
Lower thread
tension is too
tight.
Upper thread
tension is too
tight.
Wrong needle is
used.
Spool of thread is
not correctly
installed.
Lint is clinging to
the bottom of the
needle plate.
Lower threading is
not correct.
Needle is bent or
not sharp.
Threading is not
correct.
The combination
of needle size/
thread size/fabric
is incorrect.
CONTACT YOUR LOCAL SERVICE CENTER
Upper threading
is not correct.
Page 18 Page 16 Page 8 Page 22 Page 22
Page 18 Page 16 Page 8 Page 16-18
Page 22 Page 22 Page 24 Page 8
Page 18 Page 16 Page 39 Page 24
Page 8 Page 16-18
Page 24
XL5000us.book Page 40 Tuesday, October 28, 2003 11:01 AM
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