166
APPENDIX
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
The lower thread
is tangled or
breaks.
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread.
page 27
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 race and the bobbin case.
page 162,
page 163
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 23
The thread tension
is incorrect.
The upper thread was not
threaded correctly.
Correct the upper threading.
page 29
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread.
page 27
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 39
The presser foot holder is
incorrectly installed.
Correctly install the presser foot
holder.
page 44
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 57
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 23
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 27,
page 29
The spool is incorrectly installed.
Correctly install the spool.
page 29
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 39
The needle is bent or blunt.
Replace the needle.
page 40
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,
page 64
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 57
Symptom
Probable Cause
Remedy
Reference
Содержание Ellure (BLR)
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Страница 48: ...GETTING READY 46...
Страница 126: ...124 UTILITY STITCHES...
Страница 162: ...160 EMBROIDERY...
Страница 179: ...English 882 U12 XD0647 051 Printed in Taiwan...