Operation Manual

Upper
tension
(16)
A =
Setting
mark.
The
normal
tension
setting
is in
the
green
range
between
3
and
5.
The
higher
the
number, the tighter
the
tension.
Lower
tension
B
=
Regulating
screw.
Turn
it
left
for
a
looser
tension,
or
right
for a
tighter
tension.
C
= Both
tensions
are
correct.
= Upper
tension
too
loose
or
lower
tension too
tight.
E
= Lower
tension
too
loose
or upper
tension
too
tight.
The
correct
lower
tension
Let
the
bobbin
case
with
a
full bobbin
hang
down
freely
by the
thread.
It must
not
slide
down
by
its own
weight,
but
should
gradually
move
downwards
when
you
jerk
your
hand
upwards
lightly.
Changing the
needle
Raise
the
needle
bar.
Then
hold
the
needle,
loosen
screw
A
and
pull
the
needle
out
downwards.
Insert
a
new
System
1
30/705
H
needle
(with
the flat
side
of its
shank
facing
toward
the
back>
and
push
it
up as
far
as
it
will
go.
Then
tighten
screw
A.
Changing
the
sewing
foot
Raise
the
needle
bar.
Loosen
screw
A
until
the
sewing
foot
can
be
removed
by
pulling
it
forwards,
sideways
or
backwards.
Attach
the
sewing
foot
and
tighten
screw
A.
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