White 535 - Page 33

31
Trouble
probable
Cause
Correction
Skipping
Bent
needle
Discord
and
replace.
Stitches
Needle
placed
See
instruction
page
No.
6.
incorrectly
in
clamp
Too
fine
a
needle
See
needle
and
thread
chart,
page
No.
4.
for
thread
being
used
Irregular
Upper
thread
tension
Tighten
upper
tension.
Stitches
too
loose
Improper
threading
See
threading
instruction,
page
No.
8.
Bobbin
not
wound
Rewind
bobbin.
evenly
Uneven
Pulling
or
holding
Avoid
pulling
or
holding
material,
just
guide
it.
Stitches
material
Not
enough
tension
Increase
tension.
on
upper
thread
Poor
quality
thread
Try
different
thread.
Needle
too
fine
for
See
needle
and
thread
chart,
page
No.
4.
thread
being
used