SINGER 7412 - Manual (Page 62)

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SATIN STITCH FOOT
The Satin stitch foot is grooved to permit dense stitching to
pass under it easily. It is most useful for sewing satin stitches
and as an alternative to the General Purpose Foot when
sewing Stretch Stitches.
Closely spaced zig-zag stitches are called satin stitches. This
is an attractive stitch used primarily for appliqueing and bar
tacking. Slightly loosen top thread tension for satin stitching.
Use a backing of tissue paper or interfacing for the sheer
materials to avoid puckering.
4. OTHER INFORMATION
TWIN NEEDLE (Option)
A twin-needle produces two rows of parallel stitches for pin
tucks, double top stitching and decorative sewing.
When using a twin-needles, the stitch width should never
be set beyond a twin needle mark, regardless of the stitch
you have selected. Doing so will result in broken needles and
possible damage to your machine.
Use of a Singer Brand 3mm (Style 2025) Twin Needle is
strongly recommended
THREADING THE TWIN NEEDLE
1. Insert the second spool pin. Place a spool on each spool
pin. Thread the two threads as one. Draw one thread
through each needle from front to back.
2. Pick up bobbin thread as for single needle sewing. Pull the
three threads together under the presser foot to the back of
the machine, leaving about 6” (15 cm) of thread.
STRAIGHT STITCH NEEDLE POSITION
The position of the needle when sewing straight stitch may be
adjusted to 13 different positions with the stitch width control
as illustrated:
Toward right
Vers la droite
Hacia derecha
Toward left
Vers la gauche
Hacia izquierda
Width control
Largeur
Control ancho
Helpful Hints:
1. Always move the stitch width to the Twin Needle
Mark prior to selecting a pattern. This will preclude
any possibility of the twin needle breaking.
2. Turning off the machine returns the machine to
normal sewing mode. Twin Needle is only active
when the Twin Needle Switch is lit red.
NOTE: Needle threader cannot be used to thread the
twin needle.