Universal UN50 - Adjusting Thread Tensions

7
SETTING
THE
STITCH
LENGTH
The
length
of
the
stitch
is
regulated
by
the
stitch
length
control
dial
(),
Fig.
1)
Near
0
is
the
shortest
stitch
and 5
is
the
longest,
but
the
control
dial may
be
set
at
any spot
between
marking
for a
variety
of
lengths.
Turn
the
control
dial to
the
right
to
lengthen
and to
the
left
to
shorten
the
stitch.
STITCH
LENGTH
CHART
(Approximate)
Figures
on
indicator
0
1
2
3
4
5
Number
of
stitches
par
inch
No
Feeding
30
15
10
7
6
SEWING
IN
REVERSE
When
you
wish
to
sew
backward
to
tie
the
threads
at
the
beginning
or
end
of
a
seam,
press
in
the
push
button
(0
, Fig.
1)
as
far
as
it
will
go.
The
machine
will sew
backward
as
long
as
the
button
is
held
in.
ADJUSTING
THE
TENSIONS
Always
adjust
the
upper
tension
with
the
presser
foot
down,
as
the
tension
is
released
when
it
is
raised.
To
increase
the
tension
on
the
upper
thread,
turn
dial
(Fig.
11)
to
the
right,
or
clockwise.
To
decrease,
turn
to
the
left.
The
higher
the number
on
the
dial,
the
tighter
the
tension.
Before
adjusting
lower
tension
be
sure
that
the
machine
is
threaded
properly.
When
necessary
to
change
the
bobbin
tension,
turn
small
screw
(Fig.
12)
on
side
of
the
bobbin
case
clockwise
to
tighten,
counterclockwise
to
loosen.
Fig.
11