18. Pfaff 238-14 for Eyeletting
The Pfaff 238-14 eyeletting machine is supplied in two varieties. Whiie on
the
Pfaff
238-14/1 the
work
is turned about the center stud by hand, the
Pfaff
238-14/2 is
equipped
with
positive
rotary
feed.
Operation of the Pfaff
238-14/1
is exceedingly simple.
Put needle position lever H in notch
III
(Fig.
20) so that the needle swings from right to
left in
zigzag
sewing.
Select a slide with a stud diameter which suits the size of the eyelets you want to
make. Push this slide into the siot of the needle plate and position it so that the needle
will be just inside the groove in the center stud when it
descends
on the right of its throw.
Punch out the hole for the eyelet, using
one
of the punches suppiied with the machine.
Make
sure
the
punch
diameter
is
smailer
than
the
center
stud
diameter
so
that
the
ma
terial will fit around the stud snugly. Slip the fabric over the
center
stud
and
push it
down
evenly
all
around.
Select
the stitch width according to the thickness of
the
material
and
the type of eyelet
desired. To
sew
a neat eyelet, run the machine at a uniform
speed
while turning the
work
around
the
center
stud
evenly.
Another
procedure
which may
be
applied
is
as
follows:
Put
needle
position
lever
H in
notch
I
and
turn
knob
G
to
the
desired
stitch
width.
Ro
tate
the
balance
wheel
until
the
needle
descends
on
the
left
of
its
throw.
Position
the
slide
so
that
there
is
a
small
clearance
between
the
needle
and
the
center
stud.
The
slide
must
be
repositioned
whenever
the
stitch width is
changed.
This setting affords
the
advantage
that
the
stitch width
can
be
changed
several
times
in
the
process.
Thus, it is possible to join multiple plies by sewing
around
the
hole with
straight stitches (before sewing the eyelet
seam
with zigzag stitches)
and
to finish the
eyelet
with a few tying
stitches
(with knob G
set
on "O").
To
prepare
the machine for eyeletting, exchange the ordinary
needle
plate and
thepress-
er
foot
for
the
special
needle
plate
and
eyeletting
foot.
The
set
of organizational parts for
subclass
-14/1 machines consists of the following:
1
Eyeletting
foot
No.
41500
1
Needle
plate
No.
42362
1 Eyeletting
slide,
w/4 mm -dia.
stud.
No. 42359
1 Eyeletting
slide,
w/5 mm -dia.
stud.
No. 42380
1 Eyeletting slide, w/6 mm -dia. stud. No. 42361
1
Clamping
screw
No.
799
1
Punch,
3
mm
-dia.,
No.
41664
1
Punch,
4
mm
-dia..
No.
41665
1
Punch
block
No.
32424710
23
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