Operation Manual

Cause
Needle
breaks
Remedy
1
Fabric
too
thick
2.
Material
is
pulled
by
sewer.
3
Needle
is
of
inferior
quality.
Cause:
Use
thicker
needle
as
indicated
in
Thread
Chart
on
page
28.
Don’t
pull
the
fabric.
Buy
high-quality
needles
only.
Thread
forms
loops
Remedy:
1
Thread
tension
not
properly
adlusted.
2.
Thickness
of
material
and
size
of
thread
not
in
accord.
3
Needle
thread
not
placed
between
tension
discs.
Adlust
upper
and
lower
thread
tensions
as
instructed
on
page
11.
Select
needle
and
thread
to
suit
material
as
indicated
in
Thread
Chart
on
page
18.
Raise
sewing
foot
and
place
needle
thread
between
tension
discs.