Alfa Network 233 - Adjusting Stitch Length Settings; Adjusting Thread Tensions

12
SETTING
THE
STITCH
LENGTH
Forward
and
reverse
stitching
are
both
regulated
by
Lever
9
Fig.
12-A.
(Page
11).
To
adjust
the
stitch
length,
loosen
screw
10
and
move
lever
9 downwards
to
increase
the
stitch
length
or
upwards
to
shorten.
Tighten
screw
10,
this
will
set the
stops
for
both
forward
and
reverse
stitching.
STITCH
LENGTH
CHART
(Approximate)
Figures
on
indicator
0
1
2
3
4
5
Number
of
stitches
per
inch
No
Feeding
55
25
13
8
8
SEWING
IN
REVERSE
FOR
SEAM
FINISHING
When
you
wish
to
sew
inreversetotie
thethreadsatthe
beginningor
theend
of
a
seam,
raise
Lever
9 Fig.
12-A
up
as
far
as
it will
go.
The
machine
will
then
sew
in reverse
until
Lever
9 is
returned
to itsoriginal
position,
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.
13)
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
it
is
necessary
to
adjust
the
lower
tension,
turn
small
screw
(Fig.
14)
on
side
of
the
bobbin
case
clockwise
to
tighten
anticlockwise
to loosen.
(continued
on
Page
13)
Fig.
13
Fig.
14