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Publicidad
TROUBLESHOOTING
SKIPPED STITCHES AND THREAD
BREAKAGES OCCUR
Needle tip is broken.
Replace needle.
Needle is bent.
Replace needle.
Needle is not installed
correctly.
Install the needle correctly.
Refer to pages 108 - 109.
Upper thread tension is
too tight.
Adjust the thread tension.
Refer to pages 104 - 105.
To check the elasticity
of the thread, hold a
length of thread of about
6 inches at both ends
and pull it, check the
length at which it breaks.
If using a highly-elastic
thread, reduce the upper
thread tension.
90
Thread path is
incorrect.
Refer to pages 18 - 21.
Thread is tangled
around spool holder.
Refer to pages 12 - 13.
Thread or fabric bits
have collected under
the needle plate.
Remove the thread
or fabric bits. Refer to
pages 112 - 113.
A thin needle is
being used for heavy
material.
Replace with a thicker
needle. Generally, at
least a #14 needle
should be used.
Publicidad
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