Operation Manual

2.
Needle
Thread
Breaks
Remedy:
Cause:
See
remedies
listed
under
1.
above.
The
above-mentioned
may
cause
thread
breakage.
Adjust
tensions
as
instructed.
Thread
tension
too
tight.
Use
good-quality
threads
only.
Poor,
knotty
or
rotten
thread
used.
Clean
and
oil
hook
raceway.
Hook
raceway
is
jammed
with
thread
or
needs
oiling.
3.
Needle
Breaks
Cause:
Remedy:
Bent
needle
strikes
point
of
sewing
Replace
needle
at
once
to
prevent
hook,
further
damage.
Use
correct
needle
and
thread
sizes
Needle
too
thin
or
thread
too
heavy.
(see
page
14).
Fabric
pulls
needle
so
it
bends
and
Don’t
force
the
feeding
motion.
Guide
strikes
needle
plate.
the
material
lightly.
38
N