SINGER W1665 - Manual (Page 19)

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TWIN NEEDLES - UPPER THREADING AND SEWING
1- Be sure zigzag needle plate and presser foot are in place.
2. Use only left needle position. Use needles White Part
#80999 (see page 29).
3. Follow threading instructions for single needle with these
exceptions:
A - Place thread, matching or contrasting in color, on
both spool pins.
B - Pass threads under handle and through arm thread
guide 3 (Fig.l) one thread per hole.
C - Down around tension discs with one thread passing
between the back discs and the other between the
front discs.
D - Now treat both threads as one, until you reach the
needle eye.
E - Pass one thread through each needle eye.
4. Set right hand zigzag width stop at start of red area
(left hand sidel Zigzag lever in red area will break needle.
5. Straight stitching and decorative stitch designs can be
produced in the same manner as followed for single
threading.
Fig. 28
Flat side
o f
the shank
X3
Fig. 29
■'•'iiVv.— 11 U a _. j j ■ .V .v'.’v /• ' i i u ,V/._•//)//(V,, ,/V, />.'
Fig. 30