Singer 5107 - Page 19

ADJUSTING
STITCH LENGTH
The
stitch length
dial controls the
length of
T Shorten
To Lengthen
stitches.
The numbers
around the
edge of the
dial express
stitch length
in mm; the
lower the
number,
the shorter
the stitch.
Generally, shorter
stitches
are best
for lightweight
fabric, longer
stitches
for heavy fabric.
The area
from 0 to
1
is used
for the
adjustment
of zig-zag satin
stitching
(see page 22).
Setting
the Dial
.
Turn dial so that
stitch length
desired is
posi-
tioned under
* symbol.
. To
shorten stitch
length, turn
dial to the
left
toward
a
lower number.
Adjusting
Stitch
Length
*
To lengthen
stitch length,
turn dial
to the
right toward
a higher
number.
For
reverse stitching,
depress
push button
lo-
cated
in centre
of dial, hold
in until reverse
stitching
is completed.
then
release push
but-
ton.
Note:
Reverse stitching
cannot
be done when
using
a stretch stitch
pattern.
NEEDLE-THREAD
TENSION
Reverse
Stitch
Push
Button
Correct tension
is important
because
too much
..
--------
or
too little will
weaken your
seams or
cause
your fabric to
pucker. Make
a test sample
with
the
fabric and
the thread you
plan to use
and
examine
it. A well balanced
stitch. as shown in
-
<.
illustration
A,
will have the
needle and bobbin
threads
locked between
the two
layers of fabric
with no
loops on top
or bottom and
no pucker.
The
tension dial
regulates
the degree of
ten-
A
sion on your
needle thread
Set it according
to
the
type of thread
and fabric
you use. The
num-
bers
on the dial eliminate
guesswork,
If the fabric puckers
B, decrease tension
If the § .
'_4
stitches in
your test sample
look loose
C. in-
crease
needle-thread
tension
. To decrease
tension, turn
dial to lower
num-
ber.
* To increase
tension,
turn dial to higher
num-
ber.
BOBBIN-THREAD
TENSION
For
information on
adjusting bobbin-thread
C
tension,
refer to page
13
17