Necchi Automatic Supernova Ultra Mark 2 - Sewing on Buttons; A) TWO-HOLE BUTTONS; B) FOUR-HOLE BUTTONS with PARALLEL STITCHING; C) Four-Hole Buttons with Cross-Stitching

39. SEWING ON BUTTONS
Lever « B • (Fig. 1); in left notch.
Lever • C • : between 4 and 5 ac-
cording to distance between holes of
button.
Feed dog: to be dropped (see para.
13).
Presser foot: button sewing foot. ·
a) TWO-HOLE BUTTONS
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--~ ~--- o. : " '"" ; .• ~
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Fig. 55
- Turn balance wheel slowly;· cheoking t4at needle goe:; through left hole,
then through right hole of button; if needle does not clear button, change
the position of lever • C " (Fig. 1),
-
Run machine at medium speed making about 5 stitches,
-
Bring lever « C " to the left and make a few straight stitches in the same
hole to tie up zig-zag stitches.
b) FOUR-HOLE BUTTONS WITH PARALLEL
STITCHING
Proceed as for two-hole buttons.
After stitching between first two holes, raise
button sewing foot slightly and line up the
remaining two holes with needle (Fig. 56).
c) ·FOUR-HOLE BUTTONS WITH
CROSS-STITCHING
Proceed as for two-hole buttons.
' " After stitching first two holes, raise button
sewing foot and turn fabric at a right angle
so
that the remaining two holes are in proper
l?osition under needle (Fig. 57).
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Fig. 56
Fig.
57
40. HAND OPERATED BUTTONHOLES
I
Ii
a) RAISED BUTTONHOLES
Lever • B " (Fig. 1): in left notch .
Le ver « C " : its movement must be limited
be tween 1.5 and 3 (see note on bottom of
para. 25).
i 7~
ill
1Y
y_
Knob « D ": on red square mark; check
rig ht position by trying out on a piece of
fa
bric s imilar to that used to make button-
ho le .
Presser foot: transparent buttonhole foot
prov
ided with guide. Regulate position of
guide according to desired length of button-
hole.
1 u I
Fig. 58
Upper tension: rather tight; use mercerized cotton no. 40.
Lower tension: rather loose; use mercerized cotton no. 50.
-
Bring lever " C " (Fig. 1) on 1.5 and make first row of stitches (Fig. 58,
Operation I) going as far as to reach the limit marked by the guide. Leave
needle in fabric.
- Raise presser foot and turn fabric half a turn around needle (Fig. 58,
Operatio~ II). Lower presser foot.
-
Raise needle from fabric and bring lever " C " on 3.
- Make first bar tack with 3 or 4 stitches (F i g. 58, Operation III) and stop
sewing with needle out of fabric.
-
Bring lever " C " on 1.5 and make s econd row of stitches as long as the
first (Fig. 58, Operation IV). Stop sewing with needle out of the fabric.
-
Bring lever " C " on 3 and make s econd bar tack (Fig. 58, Operation V).
-
Remove work and knot threads on the under surface of fabric.
-
Cut fabric between the two rows of stitches with NECCHI buttonhole
cutter (Fig. 59).
b ) FLAT-STITCHED BUTTONHOLES
P ro ceed as for raised stitched buttonholes with the following exception:
- upper tension: on 4.5. Upper thread no. 50.
lower tension: normal. Lower thread no. 50 .
31