SINGER 404K - Manual (Page 21)

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To Regulate the Length of Stitch.
When stitching fine material use a fine needle, fine thread, and a short
stitch. Heavy material requires a coarse needle and thread and a longer
stitch. (See chart on page 11).
The stitch on the 15K26 machine is regu­
lated by the thumb screw in the slot on the
arm (see Fig. 43). To lengthen the stitch on
this machine, loosen the thumb screw and ;;
move it downwards. To shorten the stitch fV'
move the screw upwards. When the desired s , ,
length of stitch is obtained tighten the thumb
screw. The stitch on the 15K80 is regulated |
in the same way except that the thumb screw
is
moved upwards to lengthen and down­
wards to shorten.
About 18 stitches to the inch makes a
suitable seam for ordinary sewing. Sew on a
double thickness of material, measure off one
inch and count the stitches.
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F ig . 43. S titch
R egulating S crew on
S inger
15K26
and
15K80
M achin es .
To Regulate the Length of Stitch and Direction of Feed on
Machines 99K (New Style) and 185K. (See Fig. 44).
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C
Numerals on the indi­
cator plate represent the
approximate number of
stitches per inch.
The “red dot” C indi­
cates the stitch setting.
To set stitch length —
# Turn thumb nut to the
left.
# Move lever until “red
dot” C is at desired
stitch setting.
# Turn thumb nut to the
right until it rests
against indicator plate.
Once thumb nut is
against indicator plate,
reverse stitching is ac­
complished by raising
lever to its highest posi­
tion.
F ig . 44.
21