Operation Manual
Sewing
problems
and
their
solutions
Problem/cause:
1.
The
machine
Skips
stitches
Needle
is
not
properly
inserted.
Wrong
needle
is
in
use,
Needle
is
bent
or
blunt.
Machine
is
not
properly
threaded.
Needle
is
too
small
for
thread.
2.
Needle
thread
breaks
See
reasons
above
Thread
tension
is
too
tight.
Thread
is
poor
or
has
slubs
in
it,
or
has
become
dry
after
toolong
storage.
Thread
is
too
thick.
3.
Needle
breaks
off
Needle
is
not
pushed
fully
in.
Needle
is
bent.
Needle
is
too
thick
or
too
thin.
Needle
is
bent,
and
has
hit
the
needle
plate
because
you
are
pulling
or
push’
ing
the
fabric
The
bobbin
case
is
not
properly
inserted
4.
Seam
is
sewn
unevenly
The
tension
needs
adtusting.
Thread
is
too
thick,
slubbed
or
hard.
The
bobbin
thread
is
unevenly
wound.
Thread
tangling
at
top
or
bottom
side
of
fabric.
5.
Machine
does
not
feed
or
feeds
irregularly
Sewing
lint
has
collected
between
the
feed
dog
teeth
rows.
Feed
dog
is
lowered,
slide
B
(see
page
27
is
at
right.
6.
The
machine
is
running
with
difficulty
There
are
thread
remnants
in
the
hook
race.
Remedy:
Push
needle
fully
upwards,
flat
side
facing
the
back
Use
needle
system
130/705
H.
Insert
a
new
needle
Check
how
machine
is
threaded
Use
a
larger
needle
See
above
Adjust
thread
tension
Only
use
good
threads
Use
needle
with
large
eye
(System
130
NI.
Insert
new
needle
and
push
fully
in.
Insert
new
needle
See
needle
chart
Ipage
80.
81).
Let
the
machine
teed
the
fabric.
Only
guide
the
fabric
lightly.
When
you
insert
the
bobbin
case,
push
it
fully
into
the
stop.
Check
top
and
bottom
tensions.
Only
use
perfect
threads
Do
not
wind
thread
freehand,
but
run
it
on
through
the
winding
tension.
Thread
up
correctly.
Check
needle
and
bobbin
thread
tensions.
Remove
needle
plate,
remove
lint
with
brush.
Push
slide
B
(see
page
27)
to
left.
Remove
the
threads
and
apply
a
drop
of
oil
to
the
hook.
The
main
switch
must
be
turned
off
before
sewing
feet
and
needles
are
replaced
Do
not
ope.
rate
the
threaded
needle
without
fabric.
When
leaving
the
machine,
even
for
short
periods.
switch
off
the
main
switch.
This
is
Important
if
there
are
any
children
nearby.
Important
note:
86