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APPENDIX — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
The lower thread
is tangled or
breaks.
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 21
The bobbin is scratched or does
not rotate smoothly, or has a burr
on it.
Replace the bobbin. –
The thread is tangled.
Remove the tangled thread and clean
the shuttle.
page 162
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
page 18
The thread tension
is incorrect.
The upper thread was not
threaded correctly.
Correct the upper threading. page 23
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 21
The combination of fabric, thread
and needle is not correct.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
page 36
The presser foot holder is
incorrectly installed.
Correctly install the presser foot
holder.
page 42
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 54
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
page 18
The fabric is
wrinkled.
The upper thread was not
threaded correctly, or the bobbin
is incorrectly installed.
Correctly thread the upper thread and
correctly install the bobbin thread.
page 21,
page 23
The spool is incorrectly installed. Correctly install the spool. page 23
The combination of fabric, thread
and needle is not correct.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
page 36
The needle is bent or blunt. Replace the needle. page 37
If thin fabrics are being sewn, the
stitch is too coarse.
Shorten the stitch length or sew with
stabilizer material under the fabric.
page 57
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 54
Symptom Probable Cause Remedy Reference
SE-BrotherE_sgml.book Page 166 Monday, June 30, 2003 3:44 PM