SINGER W1640 - Manual (Page 15)

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Raise presses foot. Hold needle thread
loosely with your left hand. Turn hand
^eel toward you until needle moves
down and then up again to its highest
position, catching bobbin thread and
(Fibril "
To prevent thread from slipping out of
needle when you begin sewing, pull both
reads out about 6 inches and place under
(FigTg)^““' machine.
BRINGING UP LOWER THREAD
)l,
IF)
TWIN NEEDLE-UPPER THREADING AND SEWING
2 Follow '' "'ready on machine.
. Follow threading instructions for single needle with
these exceptions;
A - Place thread, matching or contrasting in color
on both spool pins. '
Pass threads through arm thread guide
Down around tension discs with one thread
passing between the back discs and the other
between the front discs.
Treat both threads as one, until you reach the
needle.
E - Pass one thread through each needle eye. (Fig.
^ indication
marks (Fig. 21) otherwise needle will break Turn
hand wheel slowly toward you to make certain twin
needle dows not hit needle plate
4. All normai stitches and ail st'retch stitches can be
made with the Twin Needle.
B
C
D
T3-