Stitch length – SINGER W1640 User Manual
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Length of the stitch is regulated by Stitch Length Dial (Fig.30)
Turn the dial to right to lengthen and to left to shorten the stitch. Near point A
Fig. 30 is the shortest stitch and near point B Fig. 30 is the longest.
In general, short stitches are best for light weight fabrics; longer ones for heavy
fabrics. Most normal sewing is done with stitch length set about 12 stitches per
Stitch Length (Approximate)
Marks on dial
( point A )
Number of stitches per inch
Press in center button of Stitch Length
Dial (Fig. 30) and hold for reverse
stitching. Fabric will immediately start
feeding backwards. Release button and
machine will resume normal forward
A few reverse stitches are very useful
for fastening beginning or end of seams
and darts without having to tie threads.