Singer 246-3 - Feed Dog and Needle Carrier Adjustments; To Change the Length of Stitch; To Gather the Material; To Stretch the Material

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
fig.
16
12
TO CHANGE
THE
LENGTH OF
STITCH
figs.
16
and
16A
The
rlifferential
feed
consists
of
two
feed
dogs
A2
and
B2
independently
actuated
by
two
feed
eccentrics
C2.
The
length
of
stitch
is
determined
by
the
feed
eccentric
in use. Each
feed
eccentric
is
marked
with
the
number
of
stitches
it
makes,
as
shown
at
F2.
When
both
feed
eccentrics
are
marked
for
the
same stitch
length,
the
two
feed
dogs
act
as
one,
fRedinq the
material
evenly.
Feed
Eccentric
164020
and
Extractor
164
203
FeecJ
eccentric
#
164020
con
be
furnished
to
make
6, 7,
8,
9, l
0,
11,
12,
l 3,
14,
15, 16,
18,
20, 22, 24, 28,
32
or
36
stitches
per
inch. Unless
otherwise
o,dered,
only
two
feed
eccentrics
making
approximately
14
stitches
per
inch,
are
rcgulrn
ly
supplied
with
the
machine.
To
remove the
feed
eccentrics,
swinsi the
cloth
plate
Q
anrl the
feed
eccentric
cover
S5
out
to
the
left,
remove
the hex nut
from
the shaft
D2
and
screw
the
feed
eccentric
extractor
T5,
supplied
with
the machine,
into
th,)
threaded
hole
E2.
F2
A2
B2
H2
55
D2
C2
E
fig
16A.
Aaiustments
of
Differential
feed
l)y
pulling
gently
w;th
tlw
extractor
T5,
the
outer
feed
eccentric
can
be
removed
first,
and
then,
in
the same manner, the
inner
feed
eccentric
can also
be
removed
When
rr)placing
the
feed
eccentrics,
be
sure
that
the
stamped
number
1s
on
the
outside
face
~2
of
eoch
eccentric.
The
groove
G2
should
fit
over
the key
H2
on the shaft
D2.
When
both
feed
eccentrics
are
firmly
in
position,
screw
the hex nut
securely
on
the shaft
D2.
1
l
13
TO
GATHER
THE
MATERIAL
See
Fig.
16A
To
gather,
the
front
feed
dog
B2,
or
the
one
nearer
you,
must
be
set
to
make
a
longer
stitch
than
that
for
which
the
rear
feed
dog
A2
is
set.
The
inner
feed
eccentric
controls
the
front
feed
dog
B2.
The
outer
feed
eccentric
controls
the
rear
feed
dog
A2.
When
replacing
the
feed
eccent,
ics
for
gathering,
the
eccentric
de-
signed
for
the
longer
stitch
should
be
the
inner
feed
eccentric,
or
the
one
put
on
the
shaft
D2
first.
TO
STRETCH
THE
MATERIAL
See
Fig.
16A
To
stretch
the
material,
the
rear
feed
dog
A2,
or
the
one
farther
from
you,
must
be
set
to
mc:ke
Cl
longer
stitch
tho11
thot
for
which
the
front
feed
dog
B2
is
set.
When
replacing
the
feed
eccentrics
for
stretching
the
111ate1
icil,
the
eccentric
designed
for
the
longer
stitch
should
be
the
outer
feed
eccentric,
or
the
one
put
011
the
shcift
D2
last.
TO
SET
THE
FEED
DOGS
AT THEIR CORRECT HEIGHT
(Using
Gauge
#
164459
for
Machine
246-3
and
Gauge
#
164460
for
Machine
246-5)
See
Fig.
17
To
check
the
height
of
1he
feed
dogs,
swing
the
presser
foot
K
out
to
the
left.
Pluce
the
wwge
J2
over
the
feed
dogs
and
fi,
inly
resting
upon
the
throol
plute
U2,
os
show11
in
Fig. 17.
Turn
the
mc1ehine
pulley
over
from
you
until
the
feed
cJogs
rn
e
ot
their
highest
point,
in
which
position
the
foed
dogs
should
just
touch
the
bottom
fuce
K2
of
the
gouge
J2.
Fig. 17. Setting the Feed Dogs
To
set
the
front
feed
dog
B2,
swing
the
cloth
plate
Q,
Fig.
16A
and
the
feed
eccentric
cover·
S5, Fig.
16A
out
to
the
left,
then
loosen
the
odjusting
screw
M2
and
move
the
feed
dog
B2
up
or
down,
as
required
Then
tighten
the
screw
M2.
To set
the
rear
feed
dog
A2,
loosen
the
odjusting
screw
02
cind
move
the
feed
dog
A2
up
or
down,
as
required.
Then
tighten
the
screw
02.