SINGER W712 - Manual (Page 17)

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16
BUTTONHOLES
be made by just Buttonholes of various lengths can
turning the buttonhole control knob.
To establish the correct length buttonhole required
add Vs inch to the cutting space for bar tacks.
To obtain the length of the cutting space, the opening
through which the button passes is measured by adding
the width "A" and thickness "B" of the button (Fig. 28).
First mark the beginning and end of the buttonhole on
the fabric with a basting line or tailor's chalk. Make one
or
two buttonholes on scrap fabric (following directions
below) to be sure the machines adjustments are correct.
(1) Set zigzag stitch width control at 0.
(2)
Replace presser foot with special purpose buttonhole
foot. It provides maximum visibility and allows
closely spaced stitches to feed evenly (Fig. 27).
Set stitch length knob 11 (Fig. 1) as near 0 as
possible without stopping the feeding action.
Set buttonhole control knob (Fig. 30) at 0 and
then to the first buttonhole setting, number 1.
This will set the width of the buttonhole sides.
.,ower needle carefully into the mark on the
fabric indicating the start of the buttonhole.
Lower presser foot and sew full length of left
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(4)
(5)
hg. 21
Fig. 28
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