Sewing Machine User's Manual

Skipping
Improper
upper
threading.
P.
9
stitches
Not
using
a ball
point
needle
for
p.
14
elastic
and
thin
fabric.
Improper
tension.
Too
much
oil
on
the
hook.
P.
36
Stitches
not
Upper
thread
tension
too
loose.
P.
16
locked
Improper
tension
of
lower
thread.
P.
16
Improper
needle
for
thread.
P.
14
Wrinkled
Upper
or
lower
thread
tension
too
p.
16
fabrics
tight.
Thread
not
in
tension
discs.
P.
8, 9
Improper
threading
of
upper
or
lower
thread.
Needle
too
thick
for
fabric.
P.
14
Stitch
length
too
long
for
fabric.
P 13
Fabric
not
Dust
of
thread
jamming
on
feed
dog
P
35
moving
Feed
dog
is
lowered.
p
12
Stitches
too
close.
P 13
Pressure
regulating
too
light.
P.
12
Breaking
Improper
needle
setting.
P.
5
needle
Needle
bent.
P
6
Needle
clamp
screw
too
loose.
P.
5
Upper
thread
tension
too
tight.
P
16
Needle
too
thin
for
fabric
or
I
and
P
14
thread.
Changing
pattern
or
width
of
stitch
Bring
needle
to
highest
position.
with
needle
down
in
fabric.
Setting
stitch
width
more
than
3.5
P.
33
when
sewing
with
twin
needle.
Presser
foot
attached
improperly.
P
6
on
Ily
warm
9
use.
For
adjusting
the
tension
of
any
belt,
please
do
not
try
to
adjust
it
by
yourself
but
contact
your
nearest
dealer.
40