Operation Manual

1.
Machine
skips
stitches
Needle
not inserted correctly.
Wrong
needle
used.
Needle
bent
or
blunt.
Machine
threaded
improperly.
Needle too thin
for
thread
used.
2.
Needle
thread
breaks
For
any
of the
above
reasons.
Thread
tension
too
strong.
Poor-quality or
knotty
thread
used,
or
thread
that
has
become
too
dry
by
excessive
storage.
3.
Needle
breaks
Needle
not
pushed
up
as far
as
it will
go.
Needle
bent.
Needle
too
thin
or
too
thick.
Needle
bent
and strikes
needle
plate
because
work
is pushed
or
pulled.
Bobbin
case
improperly
inserted.
Push
needle
up
as far
as
it will
go,
its
flat
shank
side
facing
toward
the back.
Insert
system 1
30/705
H
needle.
Insert
new
needle.
Check
threading.
Select
needle
according
to
Needle
and
Thread
Chart.
See
par.
1
above.
Regulate
thread
tensions.
Use
only
good-quality
thread.
Insert
new
needle
and
push
it
up as
far
as
it
will
go.
Insert
new
needle.
See
Needle
and
Thread
Chart.
Let
machine
feed
the
work
alone.
Only
guide
the
material
lightly.
When
inserting
the
bobbin
case,
press
against
it
until
it snaps
into
place.
Trouble
shooting
rCa
use:
Remedy:
22