Singer 246-3 User manual

SINGER
246-3 AND 246-5

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
..
3
us~
SINGER*
OILS
and
LUBRICANTS
They
insure
freedom
from
lubricating
trouble
and give
longer
life
to
sewing
equipment
The following
is
the
correct lubricant
/or
Machines
of
Class
246:
TYPE
A-
MANUFACTURING MACHINE
OIL,
LIGHT
GRADE
OTHER
SINGER
LUBRICANTS
TYPE
E -
THREAD LUBRICANT
For lubricating the needle thread
of
sewing machines
for
stitching fabrics
or
leather
where
a thread lubricant
is
required.
TYPE
F-MOTOR
OIL
For
oil
lubricated
motors
and
plain bearings in
power
tables and transmitters.
NOTE:
All
of
the
above
oils
are
available
in 1
quart,
1
gallon
and
5
gallon
cans.
BALL
BEARING
LUBRICANT
This
pure grease
is
specially designed
for
the
lubrication
of
ball bearings and
ball
thrust bearings
of
motors and
electric
transmitters,
ball
bearing
hangers
of
power
tables,
etc.
Furnished
in
1
lb.
and 4 lb.
tins.
20159
TO
ALL
WHOM
IT
MAY
CONCERN:
The
improper
placing
or
renewal
of
the
Trade
Mark
"SINGER"
or
any
other
of
the
Trade
Marks
of
The
Singer
Manufacturing
Company
(all
of
which
are
duly
Registered
Trade
Marks)
on
any
machine
that
has been
repaired,
rebuilt,
reconditioned,
or
altered
in
any
way
whatsoever
outside a SINGER
factory
or
an
authorized
SINGER
agency
is
forbidden.
ADJUST~RS
MANUAL
FOR
SINGER*
SEWING
MACHINES
246-3
and
246-5
FOR
TRIMMING
AND
OVEREDGING
IN
ONE
OPERATION
AUTOMATIC
OILING
SYST~M
Special
attention
is
called
to
the
lubricating
instructions on
page
3.
Tl-lE
SINGER
MANUFACTURING COMPANY
Copyright,
U.S.
A.,
1947,
19-48, 19-49
and
1951,
by
The
Singer
Manufacturing
Co.
All
Rights
Reserved
for
all Countries
"A
Trade
Mork
of
THE
SINGER MANUFACTURING
COMPANY

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
2
DESCRIPTION
Machine
246-3
has
a
differential
feed,
trimmer,
one
needle
and
two
loopers
and
makes
the
three-thread
over-edge
tight
needle
thread
stitch
!Federal
Stitch
Type
#
5041. It
is
designed
for
simultaneous
trimming
and
stitching
of
muslin,
royon,
tricot,
silk,
light
denim,
flannel,
balbriggon,
light
and
medium
sweoter
moteriols
ond
other
fabrics
up
to
3/16
inch in thickness
according
to
the
material
in use. The
mochine
can
be
fitted
to
trim
from
l
/16
inch
to
l ; 4
inch
from
the
needle.
This
mochine
may
be
refitted
to
make
the
two-thread
over-edge
stitch rFedercil
Stitch
Type
#
5021,
the
two-thread
serging
stitch
!Federal
Stitch
Type
#
5031
or
the
three-thread
purl
on-the-edge
stitch
I
Federal
Stitch
Type
#
5051
With
the
differential
feed,
it
is
possible
to
either
gather
or
stretch
the
material,
or
to
feed
the
material
evenly.
Machine
246-5
is
similar
to
Machine
246-3,
except
that
it
is
designed
for
simulta
neous trirnrning
and
stitching
of
fabrics
up
to
l
i
4 inch in thickness,
according
to
the
material
in use, such as
medium
heavy
and
heavy
knit
goods,
sport-1ackets,
fruit
bogs
and
laundry
bags
The
machine
con
be
fitted
to
trim
from
l
/8
to
9
/32
inch frorn
the
needle.
SPEED
The
mc1xin1un1
speed
recornrnended
for
Machine
246-3
is
5500
stitches
per
minute.
The
machine
should
be
run
slower
thon
the
mciximurn
speed
until
the
parts
which
are
in
movable
contcict
become
glazed
by
their
action
upon
each
other
For
long
runs, a
maximum
speed
of
5000
stitches
per
minute
is
recommended
Maximum
speed
recon1-
mended
for
Machine
246-5
is
5000
!long
runs,
4500!
stitches
per
minute.
When
the
machine
is
in
operation,
the
machine
pulley
should
always
turn
over
from
the
operator.
TO
SET
UP
THE
MACHINE
See Fig. 2
Place the n1achine
with
its
bose
on
the
toble
so
thot
the
belt
groove
of
the
rnochine
pulley
is
in line
with
the
belt
groove
of
the
driving
pulley
and
draw
the
outline
of
the
F
l;
J8fll6
Fig. 2.
Installation
of
Machine
Base
Fasten
the
bosc
to
the
table
by
means
of
two
#
6
Flat
A
ond
two
#
8 Round
Head
3
i4
inch
wood
screws
at
B.
base
of
the
machine
on
the
table.
Also
spot
position
of
hole
E
directly
below
presser
foot
lever
X,
Fig.
8,
Page
6_
Remove
machine
from
its
base.
Using
the
machine
base
and
the
belt
guard
os
templates,
spot
and
drill
six
holes
in
the
toblc
for
the
six
wood
screws as
shown
at
A, B
and
D.
Bore
hole,
E,
for
choin
from
foot
lifter
to
presser
foot
lever
Head
l
inch
wood
screws
at
Then fosten
the
belt
guard
C
to
the
table
with
two
# 7
Flot
Head
3 4
inch
wood
screws
at
D.
After
moking
stnc
thcrt
the
felt
cushion F
is
in
pince,
set
the
mochine
on
the
ruhher
cushions
cit
A
ond
B
on
the
base
TO
OIL
THE
MACHINE
See Fig. 3
lJSE
"TYPE
A"
OIL,
sold
by
Singr,r
Scwino
Mochine
Company.
For
description
of
this
oil,
see
inside
of
front
cover.
After
the machine
rs
installed
and
before
starting
the
machine,
upply
this
oil
lo
the
oil
filler
cup
G
on
top
of
the
machine,
filling
the
oil
reservoir
until the
oil
SlfJf1t
(JaU!Je
H
rndirntes
that
it
is
half
full.
Thereafter,
check
the
oil
gciU!Je H
doily
before
starting
the
machine
and
111oi11tain
tl1e
oil
level
at
the t11idpoint
of
the !Jauge. See X-Roy
view
of
machine
on
page
23.
Fig.
3.
Oiling
NEEDLES
AND
THREAD
Needles
for
these
mnchirw
are
of
~urved
blode,
Closs
and
Variety
l5lxl,
and
are
t11ode
in sizes
9,
11,
14
ond
16.
Sp,,ciol
sizes
or
finishes, such os
chrome-plated
needles
for
nylon
nmteriols,
will
be
lllode
on
1·equest.
The size
of
the
needle
to
be
used
should
be
determined
by
lhe
size
of
the
threod,
which
must poss
freely
throuoh
the
eye
of
the
needle.
The use
or
rou!Jh
or
uneven
thread,
or
thread
which
posses
with
difficulty
throu!Jh
lhe
needle
eye,
will
interfere
with
the
proper
forlllotion
of
the
stitch.
Orders
for
needles
rnust
specify
lhc,
quantity
required,
the size
number,
also
the Class
and
Variety
numbers,
separated
by
on
x.
The
following
is
rn1
example
of
on
intelligibl,,
order:
"100
No.9,
LSlxl
N,,cdles."
The
best
stitching
results
will
be
obtoined
in using neecJles
sold
by
Sin!Jer
Sewing
Machine
Company.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
4
TO
SET
THE
NEEDLE
Using
Socket
Wrench
#
164197
See
Fig.
4
Tu,
11
the 111uchine
pulley
over
from
the
operntor
to
move
the
needle
cw,
ie,
Z
up
to
its hiCJhest
position
Rciise
thC;
presser
bor
lever
J
to
dis-
r,iJ(JCliJr,
the
p,
cssP1
hrn
K,
ond
swing
presser
bm
K
out
to
the
left.
Loosen
,mt
M
with
socket
wrench
#164197.
\'/ith
twPr,1e1s,
insert
the
needle
throuCJh
tl1e
11tc<'clle
crn
I
ier
Z
os
fm
os it
will
go
against
the
stop
0,
then
securely
tighten
the
IHIIM.
TO
PREPARE
FOR
THREADING
See
Fig.
4
Frll
con,;eni
c;11r
i:
i11
thrr,r1di11q,
rc,i,,r, the
11resse1
I
JC11
Ie
·n,
1
J,
o nd
K J
the
fllCssr·r
1)(1,
K
rn1t
to
the
left
Tlw11
swinCJ
tl1e
cloth
plcitc
out
tn
the
left
ond
OfH,,,
the
front
cn·.'tcr
plc,te
P,
Fig.
0.
Insert
!Yeedle
aqamst Stop
8.
TO
THREAD
UNWINDER # 151031
For
Three-Thread
Stitch
(Tight
or
Purl-on-the-Edge)
See
Fig.
5
Pm,,
thf'
needle thread
from
tlw
sprnll
l'-1,
over
from
hrxk
to
f1011t
1h,o,,r1h
loop
Nl,
down
C111rl
f,,
Jill
top
lo
hottom
th,
ouqh
cycli:t
N2,
unrl
from
top
to
liottrn,1
tl11ouCJh
eyelet
N3.
Pc
,ss
tlw
right
looper thread
f,
c1111
lhe
spool
R,
over
f,
on1
hock
lo
f,
011t
th,
ouqh
loop
Rl,
clown
rn1cl
frrnn
toptn
hottn111
thrrn,qh
eyelet
R2,
rn1d
frorn
top
to
hnt-
tnm
throuqh
eyelet
R3.
Pnss
the
left
looper thread
fro,11
the
sr,nnl
L,
nver
frorn
I
iqht
to
left
throucih
lnor
L
1,
down
rn1d
from
top
to
hottnrn
thrnu<7h
eyPlet
L2,
crnd
frnm
too
to
hot
Fig. 4.
Setting
the
Needle
\
R2
tom
throucih
eyelet
L3.
Fig. 5.
Threading
the
Unwinder
M
t
IBJOO
NOTE:
When
sewinCJ
with
nylon
threocl,
threocl
unwinder
# 228706,
ovoiloble
ur,on
order,
moy
he
used
if
desired
I
5
TO
THREAD
THE
NEEDLE
(For Three-Thread
Tight
Stitch)
See Fig. 6
After
threodi11g the
unwinder,
lecid
the
thread
from
the
eyelet
N3,
Fig.
5
on
the
unwinder,
down,
and
from
back
to
front
through
the
eyelet
N4,
Fig.
6
behind
the
tension
discs, then pass the
thread
clockwise
between
the
tension
discs
N5.
l • • \
:
~
•\
;\
1.
~'/J
-,~-i
>!
'
·,
,\,
~.
·,
:··\::'1~,
IN8.
L.20638
Fig.
6. Threading the
Needle
Turn
the
machine
pulley
over
from
you
until
the
needle
reaches
its
highest
position,
then, usin9 the
threading
wire,
shown
in
Fig.
7, ~Juide
the
thread
frorn
right
to
left
through
the
tube
N6.
Remove
the
thread
frorn
the
threading
wire
and
poss it
up
and
from
right
to
left
through
the
eyelet
N7.
Poss
the
thread
from
eyelet
N7,
down,
and
from
front
to
bock
through
the
needlu
eye
N8.
Drow
ubout
2
inches
of
threod
through
the
needle
eye,
with
which
to
con11nencu
sewing.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,.,,,,,,~•"'""'-•"•'""'""Nu,,,.,,,
0
,,,,",,,,,,,.,,,,,,,.,,,,,n,,
0,,,,,,,,,,,,,...,
Fig.
7.
Threading
Wire
164196
TO
THREAD
THE
RIGHT
LOOPER
(For
Three-Thread
Tight
Stitch)
See
Figs.
8,
9
and
10
L
/792~
CAUTION:
When
threading
right
looper,
be
sure
that
there
is
no
loose
loop
of
thread
on this
looper
to
cause
thread
breakage.
(See
Fig.
9).
Fig.
8.
Threading
Right
Looper
£19132
7
Turn
the
machine
pulley
over
from
you
until
the
needle
is
ot
its
lowest
posi-
tion.
Then
lead
the
thread
from
eyelet
R3,
Fig. 5, page 4
on
the
unwinder
and
pass it
from
bock
to
front
through
the
thread
guide
R4,
Fig.
8,
down
under
the
tension
guide
R5,
then
over
mid
between
the
tension
discs
R6.
Pull
the
front
cover
plate
P
forward,
pass
the
thread
down
Fig.
9.
Right
looper
through
the
thread
guide
R7,
Fig. 10,
from
right
to
left
through
the
stripper
eyelet
R8,
from
right
to
left
between
the
right
take-up
and
its
wire
guord
ot
R9,
then
from
right
to
left
through
eye
RlO
in
the
left
toke-up.
Using
the
threading
wire,
shown
in
Fig. 7, page 6,
guide
the
thread
into
the
tube
open
ing
Rl
l.
Draw
the
threading
wire
out
of
the
tube
exit
Rl2,
Fig.
8.
Then pass
the
thread
from
front
to
back
through
the
eye
Rl
3
of
the
right
looper.
(See
CAUTION
on
page
6
and
in
Fig. 9,
obovel
Drow
about
2 inches
of
thread
through
the
eye
of
the
right
looper,
with
which
to
commence
sewing.
Fig. l
0.
Threading
Right
looper
Toke-up
TO
THREAD THE
LEFT
LOOPER
(For
Three-Thread Tight Stitch)
See
Figs.
11
and
l
lA
NOTE:
For
convenience,
thread
the
right
loorer
before
th,
coding
the
left
loorer.
Lead
the
thread
fron1
eyelet
L3, Fig. 5,
page
4 on
the
unwinder
c1nd
pass it
from
back
to
front
through
the
thremJ
guide
L4,
Fig.
l
l,
down
under
the
tension
guide
L5,
then
over
and
between
the
tension
discs
L6.
Pull
the
cover
plate
P
forward,
pass
the
threod
down
through
the
eyelet
L7,
Fig. l l A,
from
right
to
left
between
the
right
toke-up
cind its
wire
guard
at
L8,
from
right
to
left
through
the
eye
L9
in
the
left
tc1ke
ur,
then
from
right
to
left
through
the
eye
in
the
right
take-up
at
Ll 0.
Using
the
threading
wire,
shown
in
Fig. 7,
page
6
guide
the
thread
from
right
to
left
through
the
tube
Ll
l,
then
up
the
groove
L12.
Turn
the
machine
pulley
over
from
you
enough
to
place
the
eye
L
14
of
the
left
looper
directly
in
line
with
the
tube
L
13.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
\
I
I
.,
~·.·
Ll3~~Ll4
.
.
.
•
8
Fig. 11. Threading Left Looper
Then pass
the
thread
from
front
to
back
through
the
tube
Ll
3
and
then
through
the
eye
L
14
of
the
left
looper.
Draw
about
2 inches
of
thread
through
the
eye
of
the
left
looper,
with
which
to commence
sewing.
fig.
11
A. Threading the Left Looper Take-up
9
TO
THREAD
THE
MACHINE
FOR THREE-THREAD PURL-ON-THE-EDGE STITCH
When
the
machine
is
properly
refitted,
thread
the
machine
as
shown
in
Figs.
12, 12A,
und
12B,
below.
1See
i11structio11s
011
page
4
for
threading
the
unwinder).
CAUTION:
When
threading
the
right
looper,
be sure
that
there
is
no
loose
loop
of
thread
on
this
looper
to
cause
thread
breakage.
1See
Fig.
9,
page
71.
fig.
12.
Threading
Needle-Thread
Eyelet
r:-1
·
({)
1~
,~
I
~'.
•.
_·
11
_:"~
~
I
f
/),/
__
._
C
____
r J:.;d
Fig.
12A
Threading
the
looper
Take-up
--RIGHT
LOOPER
THREAD
LEFT
LOOPER
THREAD
NEEDLE
TH/:IEAD
/
- -
--
E.19019
=~~:-
fig.
12B
Threading the
Machine
NOTE:
The
needle-thread
eyelet
is
threaded
differently
for
purl-on-the-edge
stitch, as
shown
in
Fig. 12,
thrn1 ii
is
threcided
for
the
tight
stitch, as
shown
ut
N7,
Fig. 6.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
10
TO
THREAD
THF
MACHINE
FOR
TWO-THREAD
OVEREDGE
STITCH
NeedL,
Thread
Fig. 13. Threading the Unwinder
#
151031
Fig. 13B. Threading
Needle-Thread Eyelet
NOTE:
Fig.
13B
illus
t1
utcs
how
the
needle
threw!
eyelet
sho1ild
be
th,coded
fo1
tlw
two
threc1d 0·1cr-ed,Jc
stitch.
1
For
detc1ilecl
clr,sc,
ij,
tior1
of
th1ec1cli1HJ
th,•
11eccllc, sr,c
page
5-
When
the
machine
is
properly
refitted,
thread
unwinder
# 151031,
as
shown
in
Fig.
13,
at
the
left,
then
thread
the
ma-
chine
as
shown
in Figs.
13A,
13B
and
l 3C,
below.
NOTE:
When
sewing
with
nylon
thread,
thread
unwinder
#
228705,
available
upon
order,
may
be
used
if
desired.
Fig. 13A.
Threading
the
Looper
Take-up
Fig. l 3C.
Threading
the
Machine
11
TO
REGULATE
THE
TENSIONS
See Fig. 14
Tensions
of
the
needle
thread
and
the
looper
threads
should
be
suf-
ficient
to
ensure a tight stitch,
while
still
light
enough
to
permit
the
threads
to
be
easily
drawn
without
breuking.
The tension
of
the
needle
thread
is
regulated
by
the
thu111b
nut
R.
The tension
of
the
left
looper
thread
is
reguluted
by
the thumb nut
S.
The tension
of
the right
looper
thread
is
reguluted
by
the thumb nut
T.
Fig. 14. Adjustments
TO
REGULATE
THE
PRESSURE
ON
THE
MATERIAL
See Fig. 14
The pressure
of
the
presser
foot
V
on
the
material,
is
regulated
by
the thumb
screw
U
ut
the
top
of
the
nmchine.
To
increuse
the
pressure,
turn
the
thumb
screw
U
downward.
To
decrease
the pressure, turn the
thumb
screw
U
upward.
TO
CHECK
THE
CURVATURE
OF
THE
NEEDLE
See Fig. 15
The
curvuture
of
the
needle
blade
should
be
checked
with
Gc1uqe
#
I
6-133(,
bcfo1 c
111c1ki1lfJ
ony
stitching
mJiustme11ts To
check
the
needle
cu1vc1t1,1e,
plCice
the
ncecllf? in
the
gc::.iqe,
so
thot
its
!lot
siclc lies
nlong
the
botto111
s1i1
focr.:
of
the
yroove
A6.
Pusl1
the
needle
into
the
groove
os
for
c1s
it
will
go
ogoinst
the
stop
B6.
Turn
the
thumb
nut
C6,
cousing
the
tir
of
the;
rndiul
qcwge
D6
to
follow
the
curve
of
the
nef?dle blc1de The
tir
should
just
•noke
contoct
nt
the
eye,
crnd
should
be
005
to
.006
inch
elem
at
the
upper
end
of
the
curve.
Whe11
the
11eedle
does
not
pass
this
test, it
should
be
replc1Ced
with
one
hewing
the
correct
curvature.
fig.
15
Needle
Curvature
Gauge
No.
164336

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.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
14
TO
TILT
THE
FEED
DOGS
See Fig. 17
When
it
is
desired
to
tilt
the
feed
dogs,
first
set
tlwm
ot
their
correct
height
os
described
on
page 13.
Then
loosen
the
hin9e
pin
set
screw
P2
at
the
rear
of
the
mnchi11e.
To
tilt
feed
up
in
the
rem
crncl
down
in
the
fro11t
of
the
needlt,,
slowly
turn
the
hin9e
pin
52 01,er
toworcl
the
rem
of
the
rmJChine,
until
the
de
sired
amount
of
tilt
is
obtuinecl.
To
tilt
the
feed
down
in
the
rem
crnd
up
in
the
frnrit
of
the
neccllP,
slowly
turn
the
hin9e
pi11
over
towmd
the
front
of
the
nrochine,
until
the
desired
amount
of
tilt
is
obtnined
Then
ti9hten
the
scre'N
P2.
TO
SET
THE
NEEDLE
CARRIER
AT
THE
CORRECT
HEIGHT
(Using
Gauge
#
164459 for Machine 246-3
and Gauge
#
164460
for
Machine 246-5)
J2
See
Figs.
18
and
19
To
check
the
height
of
the
needle
corrier,
turn
the
nmchine
pulley
over
from
you
until
the
-/2,
....
,~.i'.:·
needle
currier
Z
10c1cl1es
it-,
hiuh-
est positio11 Ren10,;e
the
needle
ond
the
throot
plcite,
swing
the
presser
foot
011d
cloth
plc1te
011t
to
the
left
and
turn
the
mochi11e
pulley
over
from
you
until
the
needle
ccmier
Z
reaches
its
low-
est
position
Slip
the
"LOW"
encl
of
the
gau(_Je
J2
between
the
1
64457
(
,?.-1,Cr(-,l
.!J
4
V2
fig.
18
Checking
the
Needle
Carrier
Height
needle
carrier
oncl
the
throot
rlute
seot,
os
shown
i11
Fig.
18.
At
this
setting,
the
needle
cml'rer
Z
should
just
touch
the
top
sur
fc1ce
02
on
the
"LOW"
end
of
the
quuge
J2.
Fig. 19.
Adjusting
the
Needle
Carrier
To
set
the
needle
corrier
at
the
correct
height,
remove
the
top
framEi
cover
and
loosen
the
clomping
screw
T2
and
the
two
adjusting
screws
D5
and
Y.
Move
the
needle
corrier
Z
up
or
down,
os
required.
Then
first
securely
tighten
the
screw
T2.
Next
tighten
the
two
screws
D5
and
Y,
and
replace
the
top
frame
cover
on
the
machine.
15
TO
SET
THE
LEFT
LOOPER
I~~
RELATION
TO
THE
NEEDLE
(Using
Gauge
# 164459
for
Machine
246-3
and
Gauge
# 164460
for
Machine
246-5)
See
figs.
20
and
21
To
instoll
the
left
looper,
rernove
the
throot
plcite
U2,
Fig.
17
rn1cl
the
chip
guard
W,
Fig.
24, page 18.
Luosnn
the
set
screw
W2
i11
the
left
looper
holder
C3,
ond
set
the
looper
ull
the
way
dow11
i11to
its
holder.
Then
securely
tighten
the
set
screw
W2.
To set
the
left
looper
the
correct distance
to
the
left of
the
needle,
turn
the
rnochine
pulley
over
fr-on1
you
until
the
needle
carrier
Z,
ufter
reochin(_J its
lowest
position,
rises
sufficiently
tu
permit
the
"HIGH"
end
of
the
gouge
J2
to
puss
between
the
needle
carrier
ond
the
throot
pint(:
seot,
cis
shown
in
Fig.
20.
At
this
settinsJ
the
needle
cmrinr
Z
should
just
touch
the
top
s1JI
foce
U4
011
the
"HIGH"
end
of
the
~Jcwge
c111cl
the
tip
of
the
left
looper
Z2
should
just trn1ch
the
left
side
of
the
needle.
If
the
left
loopr·1
does
not
1eoch
the
needle
cit
this
setting,
loose11
the
I
iuht
odjusting
screw
B3,
onci tighte11
tl1<·
lelt
mljusti11~J
screw
A3,
until
the
tip
of
thr,
left
looper
111eets
tl1,,
needle.
U4
Z
W4
,,'t
.,
'
..
\
'
'
'·
,,,
.-
-
.
..
'',
,
.....
-.,•
'
,....,.,J
..
' ."
'.>
.l
,,--
Z2
Fig.
20
Setting
the
Left
Looper
If
the
left
looper
Ix1s,,cs
the
ne1:cllc cit
tlw
rihove
settinu,
loose11
tl11,
lt:fl
odjustinc1
screw
A3
rn1cl
ti(Jhten
the
1·1qht
<1cljusti1l(J
screw
B3
u11til
tlH,
tip
of
the
left
looper
Z2
rctur11s
to
the
cor
rert
fJO:,itio11.
The11
ti(Jhten
the
screw
A3 O(l(I
re:clwck
the
siclewi,;c positio11
of
tlw
left
looper
in
rcllltion
to
the
needle,
cIs
described
obove.
Fig.
21
left
looper
Tlw
left
looper
lllUSt
rub
lightly
on
the
riceclle
m it posses hd1i11d
tlw
riceclle
in
its
rnovellleI1t
to-
word
the
riuht
To set
the
left
loopr·r
c
011
r,ctly
behind
the
needle,
rcrnove
the
throot
ple1te U2,
Fig.
17
und
the
chip
riumcl
W,
Fig.
24
und
turn
the
nmrhine
pulley
ovr·r fron1
you
until
the
point
of
the
left
loope1 just pcisses
the
needle.
loosr•11
the
ocliusting
screw
Y2
cmcl
the
set
screw
X2
rnid
rncve
tlw
looper
holder
C3
until
the
ldt
lnorx"
Z2
(llr11ost
touches
the
needle?
fiorn
the
rem
l
iuhten
the
set
screw
X2
rnicl
then
olowly
tiql,te11
the
ndjustin(J
screw
Y2
until
the
left
luopE·r
Z2
octuolly
rubs
on
the
needle.
Then
replace
the
throat
plnte
U2,
Fig.
17,
uncl
the
chip
gurncl
W,
Fig.
24.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
16
TO
SET
THE
RIGHT LOOPER
IN
RELATION
TO
THE
NEEDLE
(Using
Gauge
#
164459
for
Machine
246-3
and
Gauge
# 164460
for
Machine
246-5)
See
Figs. 22
and
23
Fig. 22.
Setting
the
Right
looper
To
properly
adiust
the
right
looper
setting,
swing
the presser
foot
out
to the
left,
remove
the
chip
guard
W,
Fig. 24,
page
18,
open
the
front
cover
plate
P,
Fig. 25,
page
19,
ond
remove
the
looper
thread
plate
03,
Fig.
25
and
the
throat
plate.
Adiust the
right
looper
in
the some order·
given
in the
following
ir1-
structions.
l.
When
the
right
looper
carrier
is
at
its
extreme
left
position,
the
dis-
tance
between
the
bracket
Q3
and
the
guide
bar
W3
must
not
be
greater
than
the thickness
E3
on the
end
of
the
gauge,
J5,
Fig.
22,
marked
"LOW."
However,
this
clearance
must
be
at
least
equal
to
the
thickness
Y
4 on the
end
of
the
gauge
marked
"HIGH."
To
adiust
the
distance
between
the
bracket
and
guide
bar,
loosen the
clamping
screw
M3
and
the
adiusting
screws
N3
and
P3.
To increase this
distance,
tighten
the
lower
odiusting
screw
P3
until
the
proper
distance
is
obtained.
To decrease this distance,
tighten
the
upper
adiusting
screw
N3.
When
the
correct
setting
is
obtained,
securely
tighten
the
clamping
screw
M3.
2. Loosen
the
two
set
screws
G3
and
move the
bracket
Q3
right
and
left
to deterrni11e its
extreme
right
and
left
positions
on
the
costing. Locote
the
bracket
Q3
at
the
midpoint
of
the
two
extremes
ond
tighten
the
two
set screws G3.
17
3. Insert
the
looper
D3 in
the
looper
carrier
S3
ond
ploce
the
gouge
on
the
throot
plc1te seot,
CIS
shown
ot
J2, Fig. 22.
When
the
right
looper
D3
is
ot
its
extreme
left
position,
it
should
iust
touch
the
undersurfoce
Q2
on the "LOW"
end
of
the
gouge.
To set
the
right
looper
at
the
correct
height,
loosen
the
set
screw
F3
on the
looper
collar
K3
and
loosen
the
nut on the
locking
screw
stud H3
on
the
looper
carrier
S3, moki11g sure
thut
the slot in
the
lockiriu
screw
stud H3
is
in
line
with
the
looper
corr
ier·,
set the
right
looper
D3
up
or
down
in
looper
carrier,
as
required,
cmd
tighten
the
11ut
on
the
stud
H3
in
looper
carrier.
Then press
looper
col/or
K3
firmly
down
ogoinst
the
looper
carrier
and
securely
tighten
the set screw
F3.
4.
When
the
right
looper
posses the
left
l0opcr,
it shoulcJ poss
behind
the
left
looper
head
and
in
front
of
the
needle.
Place
the
"HIGH"
end
of
the
gauge,
shown
ot
J6 in the insert in Fig. 22,
09ainst
the
left
sicle
of
tlw
needle.
furn
the
machine
pulley
until
the
right
looper
D3
is
ot
its
extreme
left
position.
At
this
point,
the
tip
of
the
right
looper
D3
should
just
touch
the
surface
C5
of
the
gauge.
K3
G3
S3
D3
H
Fig.
23.
Adjustments of the Right Looper
5. The
right
looper,
when
passing
behind
the
left
looper,
should brush
lightly
on
the front of the needle. To
adjust
this
position
of
the
right
looper
D3, loosen
the
nut
on
the
stud H3 crnd
move
the
right
looper
D3
in
the
right
looper
currier
S3, us
required,
then
securely
tighten
the
nut
on
the stud H3. Recheck
ond
odjust
the
height
and
the
r1ght
and
left
position
of
the
right
looper,
as
described
above.
When
all
the
settings
of
the
r·ight
looper
have
been
proper·ly
adjusted,
check eac~
setting
again
and
make
sure
all
set screws
and
nuts
are
securely
tighteried.
Then
replace
looper
threod
plate
03,
Fig.
25,
and
chip
qumd
W.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
18
TO
ADJUST
THE
NEEDLE
THREAD
CONTROLLER
See Fig.
24
When
the
needle
is
at
its
highest
position,
the
needle
thread
should
run
under
the
clearance
U3
of
the
needle
thread
controller
J3.
Fig.
24.
Adjustments of the
Needle
Thread Controller
To
adjust
the
needle
thread
controller,
remove
the
screws
X5, fig. 17,
and
the
oil
splash
guard
Z5,
Fig.
17.
Remove
the
top
cover
G4,
Fig.
25
and
swing
the
cloth
plate
Q
out
to
the
left.
Loosen
the
two
set
screws
V3
and
rnove
the
needle
thread
controller
J3
toward
the
front
or
back,
as
required.
Then
securely
tighten
the
two
screws
V3
and
replace
the splash
guard
Z5
and
the
top
cover
G4.
TO
SET
THE
LOOPER TAKE-UP-(LEFT)
See Fig.
25
When
left
looper
Z2
is
moved
to
its
extreme
right
position,
the
eye
of
the
left
take-up
X3
should
be
in
line
with
the
center
of
the
left
looper
thread
bushing
Y3,
as
shown
111
Fig.
25.
To
set the
left
toke-up
X3,
remove
the
chip
guard
W,
Fig.
24,
and
open
the
front
cover
plate
P.
Loosen
the
two
set
screws
T3
and
raise
or
lower
the
right
end
of
the
left
take-up
X3,
as
required.
Then
securely
tighten
the set
screws
T3
and
replace
the
chip
guard
W.
TO
SET
THE
LOOPER TAKE-UP-(RIGHT)
See
Fig.
25
When
left
looper
Z2
is
moved
to
its
extreme
right
position,
the
eye
on
the
right
toke-up
A4
should
be
·,n
line
w·1th
the
left
looper
thread
bushing
Y3
and
the
eye
of
the
left
take-up
X3,
as
shown
in
Fig.
25.
To
set the
right
take-up
A4,
open
the
front
cover
plate
P
and
loosen
the set
screw
C4.
Raise
or
lower
the
right
toke-up
A4,
as
required.
Then
securely
tighten
the set
screw
C4
and
close
the
cover
plate
P.
19
TO
SET
THE
RIGHT
LOOPER
THREAD
STRIPPER
See Fig.
25
The
right
looper
thread
stripper
B4
should
be
norrnully
at
the
midpoint
of
the
top
and
bottom
extremes
of
,ts
adjustment,
as
shown
in
fig. 25.
To
set the
right
looper
thread
stripper,
open
the
front
cover
plate
P
crnd
loosen
the
set
screw
H4.
Raise
or
lower
the
eyelet
B4,
as
required.
flwn
securely
ti9hte11
the
set
screw
H4
and
close
the
cover
plate
P.
Z2
B4
1-119
7f3
03
K4
F4
E4
Fig.
25.
Adjustments
of
the
Looper
Thread
Toke-up
TO
SET
THE
LEFT
LOOPER
THREAD
EYELET
See Fig.
25
ll1t,
l,,lt
lchJf1t·r
tlireud
ey,,let
F4
should
be
normully
ot
tlw
111idpc1111t
of
tire
slot
K4,
us
slh1wrr in
Fig.
25.
lo
ud1ust
the,
J,,ft
l,1oper
thrtJad
eyelet,
1,iosen
the
set
screw
E4
crnd
ruise
or
illwer
the
cy,•leet
F4
to
tire
fllOper
l,icc1tic1r1.
Then
securely
tiuhten
tire s,;t
screw
E4.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
20
TO
ADJUST
THE
TAKE-UP
FOR
BOTH
LOOPER
THREADS
See Fig.
25
To
get
more
thread
through
both
loopers,
lower
the
right
toke-up
A4,
or
rnise
the
left
take-up
X3.
To
get
less
thread
through
both
loopers,
rnise the
right
take-up
A4,
or
lower
the
left
toke-up
X3.
TO
ADJUST
THE
SLACK
ON
THE
RIGHT
LOOPER
THREAD
See
Fig. 25
When
the
right
looper· D3
is
moved
to
its
extreme
left
positio11,
the
right
looper
threod
between
the
eyelet
B4
Oll(I
the
tension
discs
M4
should
hove
o
slight
slock. To
decreose
the
slcrck
on
right
looper
threc1d,
lower
eyelet
B4.
To
increase
the
slock
011
r·ight I001,er·
threCICI,
raise
eyelet
B4.
TO
ADJUST
THE
STATIONARY
KNIFE
FOR
WIDTH
OF
BIGHT
See
Fig.
26
The r·elation
of
the
stationory
knife
J4
to
the
needle
detern1ines
the
width
of
bight.
To
adjust,
loosen
the
set
screw
T4
and
move
the
stc1tionc11y
knife
holder
S4
to
the
left
or
right,
c1s
required
Securely
tighten
thn
snt
screw
T4.
Then
adjust
the
movable
knife
in
relation
to
the
statior1ory
knife,
os descr
ibcd
below.
For son'.e
types
of
work,
the
width
of
bight
lll1Jst
conforrn
to
the
width
of
the
chaining-off
finger.
TO
ADJUST
THE
MOVABLE
KNIFE
IN
RELATION
TO
THE
STATIONARY
KNIFE
See
Fig.
26
To
odjust
the
movcible
knife
D4, in
relation
to
tho
stotionmy
knife
J4,
remove
the
clomp
screw Q4,
the
kn'rfe
clo111p
Z3,
crncl
the
chip
ejector
04.
Loosen
the
set screw W4,
Fig.
20, page 15, crnd
move
the
knife
holder·
P4
to
the
right
or
left,
until
the
cutting
edge
of
the n1ovcible
knife
D4,
ot
its
lowest
position,
is
slightly
below
the
cutting
edge
of
the
stationary
knife
J4.
Securely
tighten
the
set screw W4,
Fig.
20. Then
replace
the
chip
ejector
04,
the
knife
clmnp
Z3
and
the
clamp
screw
Q4.
While
lightly
pressin<J
the
movable
knrfe
D4
downward
ogoinst
the
stationary
knife
J4,
ti(Jhten
the
screw
Q4.
TO
REMOVE
THE
STATIONARY
KNIFE
See Fig.
26
To
re111ove
the
stotionary
knife
J4,
loosen
the
nut
V4,
and
clrc,w
the
knife
J4
upward
and
out.
21
TO
REPLACE
THE
STATIONARY
KNIFE
See Fig.
26
lo
replcice
ihe
stotionory
knife J4, push the
knife
downward
in
the
knife
holder
S4,
unlil
the
,utting
ed~Je
of
ihe
k11ife
is
fluslr
with
the
throot
plate
U2. l
lwn
securely
tir1lrt,
0
I1
the nut V4.
T4
Fig. 2
6.
Adjusting the l
rim
mer
TO
REMOVE
THE
MOVABLE
KNIFE
See Fig.
26
.
To
remove
the
rnovobl
e
knife
D4,
remove
the
clomp
screw
Q4,
the
knrfe
clomp
Z3,
the
knife
guard
C5,
crnd
the
chip
ejector
04.
Tlien
lift
the
knife
D4
from
the
knife
holder
P4.
TO
REPLACE
THE
MOVABLE
KNIFE
See
Fin,.
26
nnd
77
To
reploce
the
movable
knife D4, slip
the
knife
rn
knife
holder
P4,
reploce
the
chip
ejector
04,
the
knife
clomp
Z3,
the
knife
quord
C5,
and
the
clomp
screw
Q4.
Press
the
movoble
knife D4
downword
ogo·rnst the
stotionary
knife
J4
ond
securely
tighten
the
clomp
screw
Q4.
fher1 turn the
111ochinc
pulley
ov,,r
from
you,
until
ilw
lowest
point
X4,
ol
ilie
cuttinD
edue
ol
the nHw-
cible
knife
D4, Iust rec,cl,es lire
culti11~1
t:dDc
ut
ilw
stotiorrnry
knife
J4, us
slrown
i11
Fig.
27.
Luoscn
the
set
scrr,w
T4
sufficiently
to
releme
the
spring
be-
hind the
stotionory
knife
J4,
permittinsJ the
stotionury
knife
to
mokc, o
tiqht
sr·rir1q
contoct
wilh
the
rnovuhle
knife D4.
·1
hen scecurcly ti~ihten the set
screw
T4.
Fig.
27
Contact
Point
of
Knives

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
22
TO
SHARPEN
THE
TRIMMER
KNIVES
See
Figs.
28
and
29
Either
SINGER*
Knife
Grinding
Machine
701-7
(motor
driven),
iilustrntecl
here, or
SINGER
Knife
Grinding
Machine
701-9
(belt
driven),
ure
necessrny
for
sharpening
the knives used on Machines of Class
246.
The use
of
these
grinders
insures the
correct
bevel
of the
cutting
edge
of
each
knife.
Do
not attempt
to
sharpen these knives by hand.
When
ordering
Knife
Grinder
701-7, the
desired
voltuge
IUll!Je
should
z
Fig. 28.
Sharpening
the
Movable
Knife
alwoys
be stutecl Knife
Grinder
701-7
should
olwc1ys be
operated
within
the
voltu!Je rrn1ge
stu11q1ecl
on
the
rnotor
nome
plote.
l
he motor switch
is
shown
ut
H5.
To
sharpen
movable
knife
D4, insert
it
in
the
knife
holcler
B5,
rn1
the
front
of
the
lever
mrn
A5, then
tighten
the
thurnb screw Z4.
Turn the th
urn
I) nut
E5
over
fr
rnn
you
until
the
knife
D4
clears the
grindin!J
face
G5.
\/Vhile
rnovi11g
the
!ever
urm
A5
c1lte1
m1tcly l.mck
ur,d
fmth,
turn
the
thurnb nut
E5
C1S
required,
:o
brin!J
the
cutting
edge
of
the
knife
lightly ogc1inst
the
gr
i11ding
face
of
the
wheel.
Co11ti1iue the IJc:ck
rn1cl
forth
motion
of
the
lever
arm,
grinding
off
only
enou~ih to
shmpen
the
cutting
edge.
The
rnovc1ble
knife
is
thus
ground
to u shcarin\J cdcJr,,
requirin!J
110
specicd
setting
in
th8
rnu-
chine
to
shear.
Fig.
29.
Sharpening
the
Stationary
Knife
To
sharpen the stationary knife J4, insert it
in
the
knife
holder
K5,
011
the
rear
of
the
lever
mrn,
so
that
its
bevel
M5
is
prnollcl
with
the
qrincl-
ing
face
G5
of
the
grinding
wheel,
then
by
tu111i11!J
tlw
knurlecl
end
P5,
of
the lever
arm,
screw the lever
arm
into
the
knife
holcler K5,
securi11~J
the knife.
Sharpen
the
knife
us
described
obove.
i
l
:;..,
I
/
}
'
-~/--
23
tI:..L----,
,\..
-0
'<t
N
U)
U)
<(
-'
u
LL
0
U)
w
z
I
u
<(
~
LL
0
~
V
w
I-
u
U)
<(
>-
_,
U)
co
0
z _,
0
0
l/)
I-
<(
z
u z
0::
ca
3:
:::::>
0
-'
I
l/)
u
I-
z
<(
0
~
~
<(
0 u
I-
Ck:
:::::>
co
<{
::J
_,
w
I-
UJ
-'
a_
~
0
u
c.,
z
~
0
I
U)
0
C")
c.,
LL

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
ft..,,,,~---
...
"-
'
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\
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'
\ \ '
.-
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'ttl.--
SINGER
SEWING
MACHINE
246-3
STITC~ FORMATION
THREE THREAD TIGHT STITCH
:'FEDERAL
STITCH
TYPE
~
504,
/NRCCTOI
OF
FllI>
OF
HATERIAL
;9
B
C
This
type
of
stitch
shall
be
formed
of
three
threads.
A
loop
of
one
thread
(designated
A
in
the
sketch)
shall
be
p8.88ed
through
the
material,
where
it
shall
be
entered
by
a
loop
of
a
second
thread
(designated
B).
This
loup
,-)f
the
B
thread
shall
then
be
extended
to
the
edge
or
the
materia.1,
-.v~1ere
it
shall
be
entered
by
a
loop
of
a
third
thread
(designat-E:d C:
1•
This
loop
of
the
C
thread
shall
then
be
carried
forward
over
the
surf
ace
of
the
material,
originally
en-
tered
by
the
loop
of
the
A
thread,
to
a
point
where
it
will be
entered
by
the
next
succeeding
luop of
tte
A
thread
before
that
loop
is passed
through
the
material.
The
above
operations
are
repeated
to
form
a
sequence
of
stitche2.
Thi~
stitch
cvn
also
be
made
on
SINGER
Seving
Machine
246-2
T~~
SING~R MANUFACTURING COMPANY

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
3
TO
SET
THE
FEED
DOGS
AT
THEIR
CORRECT
HEIGHT
(See
Fig. 1)
To
check
the
hei9ht
of
the
feerl
dogs,
swing
the
presser
foot
K
out
to
the
left.
Place
the
gouoe
J2
over
the
feed
rlogs
and
firmly
resting
upon
the
throat
plate
U2,
m
shown
in
Fig.
I. Turn the
machine
pulley
over
from
you
until
the
feed
dosis
ore
at
their
highest
roint,
in
which
position
the
feed
dogs
should
just
touch
the botfo111
face
K2
of
the
gouge
J2.
Fig.
1.
Setting
the
Feed
Dogs
To
set
the
feed
dog
B2,
swing
the
cloth
plate
and
the
feed
eccentric
cover
out
to
the
left,
then
loosen
the
adjusting
screw
M2
und
move
th,·
feed
dog
B2
up
or
down,
os
required.
fhen
tighten
the
screw
M2.
To
set the
reur
feed
dog
A2,
loosen
the
adjusting
screw
02
and
move
the
feed
dog
A2
up
or
down,
os
required.
Then
tighten
the
screw
02.
TO
SET
THE
NEEDLE
CARRIER
AT
THE
CORRECT
HEIGHT
(See
Figs. 2
and
3)
Fig.
2
Checking
the
Needle
Carrier Height
To
check
the
height
of
the
needle
cnrrier,
turn the
machine
pulley
over
frorn
you
until
the
needle
corrier
Z
reaches
its
highest
position.
Remove
the
needle
ond
the thrclClt
plote,
swing
the
presser
foot
and
cloth
plote
out
to
the
left
ond
turn the
machine
pulley
over
from
you
until
the
needle
corrier
Z
reaches
its
lowest
position.
Slip
the
"LOW"
end
of
the
gouge
J2
between
the
needle
carrier
and
the
throat
plate
seat,
m
shown
in
Fig. 2.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
4
At this setting, the needle currier Z should just touch the top surface Q2
Oil the "LOW" end of the gouge J2.
12
D5 y
Fig. 3. Adjusting the Needle Carrier
To set the needle c0rrier cit the correct height, remove the IClp frome
cover crnd loosen the cloll1pillg screw T2 und the two crdjustins, screws X
ond Y. Move the needle currier Z up or down, as rc,quired. Then first
securely ti\7hten the screw T2. Neld tighten tlw tv,u screws X cmd Y, crnd
reµluce the top frome cover 011 the machine.
TO SET THE LEFT LOOPER IN RELATION TO THE NEEDLE
(See Figs. 4 and 5)
l,l ir1stull the left looper, 1e111ove thu throcil plute U2, fig. 2 u11d tl1e
chip siuwd. L_oose11 tl1e se:I screw W2 111 tl1e ldt lllop<-,r hc,lclPr C3, crnd
set the loope1 oll the wc,y dow11 iritu its hold,,r. l hen s,,curely tighll'n
the sci screw W2.
·r o set tlw l,,lt loopi;r th,, Ctlrrect cl1st,111c,_, tc,
the l1;lt ot thee r•fcecllt:, tur11 tl1,a mncl1111e; pullc;y
over from you until tl1e ni:edle; ccrrrie,r Z, ulkr
rerrcl1i11u its lowest rositirnr, rises sulficiPntly to
per,nit the "HIGH" end of the ,1ouu" J2 tu pms
betwroe11 the neudle, corri,,r c111d !l1<0 throcil plut,,
secil, us shown i11 fig. 4. At tl11S setting the 11e:edlte
corrier Z should Iust touch the top surlucc, U4 Oil
the "HIGH" encl of the gnuqu und the tip (If the
left loop,,r Z2 should just tou( I, the lelt sid,, ol
the needle. If the left loopPr cl,H;, 1101 recrch th.,
needle ot tl1is setting, lom,,11 the; 1 iuht ud1llslilllJ
screw B3, uncl tisJhten th,, lc:lt ocl1usli11q scrc,w A3,
until the tip of th,, lc-dt lu,;1)c01 111c,c;ts ti,,, 11,,,,dl,'. Fig. 4
Setting the Left Looper
5
If the left loorer passes the needle ot the above setting, loosen the left
odjusting screw A3 and tighten the right adjusting screw B3 until the tip of
the left looper Z2 returns to the correct position. Then tighten the screw
A3 and recheck the sidewise position of the left looper in relation to the
needle, os described crbove.
I he ldt looper must rub li(Jhtly on the
needle, us it pusses behind the needle in its
rnove111ent towmcl the right. 10 set the left
looper correctly bel1ind the needle, remove
the throat plate U2, Fig. 2 ond tire chip guord
and turn the nrochine pulley over from you
until the point of the left looper just pmse,s
the needle. Loosen the cidjust111sJ screw Y2
and the set screw X2 oncl mov,, tl1c, luopu1
holder C3 until the, l,,lt loupe,r Z2 olnrost
touches the rwedle from the recur. T i£ililen
the set screw X2 crnd then slowly tiqhten tl1e,
ml1llsl111q sc ri,w Y2 1rntil !hi, 1,,lt l<1clftt:I Z2
actuully I libs uI1 the needle. I l1e11 1 ,;pluce
the tl1rout plute U2, Fig. 2, rnrd chip £Jumd. Fig.
5. Left Looper
TO SET THE RIGHT LOOPER IN RELATION TO THE NEEDLE
(See Figs. 6 and 7)
J2
/ J,j.;lr:J )\ >I
Jl')•,-,11-i
53
03
Fig. 6. Setting the Right Looper

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
6
To
properly
adjust
the risiht
looµer
set
lino,
swing
the
presser
foot
out
to
the
left,
remove
the
chip
rJuard,
open
the
front
cover
plote,
ond
remove
the
looper
thread
plate
and
the
throat
plate.
Adjust
the
right
looper
,n
the
sa111e
order
given
in
the
following
instructions.
l.
When
the
rioht
k!oper
corrier
is
at
its
extreme
left
position,
the
distar1ce
between
the brc,ck,;t
Q3
and
the
guide
bar
W3
should
be
at
leust
equal
to
the thickness
E3
c;rI
the
"LOW"
side
of
the
qauge
shown
at
J5,
Fig.
6.
However,
this
cl"urunce
must
be
not
greater
than the thickness
Y4
on
the
"HIGH"
end
of
thr; sior;qe.
To
odjust the
distance
he
tween
the
bracket
and
guide
bar,
loosen
the
clamping
screw
M3
and
tl1e
adjusting
screws
N3
and
P3.
1
o
iricrease
this
distance,
tighten
the
lower
ud1usting
screw
P3
until the
proper
distance
is
obtained.
To
decrease
this
distance,
tighten
the
upper
adjusting
screw
N3.
Wher1 the
correct
setting
is
obtair1ed,
securely
tighten
the
cla111pin~J
screw
M3.
2.
Loosen
the
two
set
screws
G3
and
move
the
bracket
Q3
right
and
left
to
determine
its
extreme
right
and
left
positions
on
the
costing.
Locate
the brcrcket
Q3
crt
the
midpoint
of
the
two
extremes
and
tighten
the
two
set
screws
G3.
3.
Insert the
looper·
D3
in
the;
looper
carrier
S3
and
pluce
the
~JOU~Je
on
the
throat
plcrte seut, m
shown
ot
J2,
Fig.
6.
When
the
right
looper
D3
is
ot
its
extreme
left
position,
it
should
just
touch
the
undersurfoce
Q2
on
the
"LOW"
end
of
the
SJClll(J8.
To
set the
right
looper
Cit
the
correct
height,
loosen
the set
screw
F3
on
the
looper
collar
K3
cmd
lomen
the nut
on
the
locking
screw
stud
H3
on
the
looper
carrier
S3.
Moking
sure
thot
the
slot
in the
locking
screw
stud
H3
is
in
line
with
the 11,nper
currier,
set
theright
looper
D3
up
or
down
in
looper
carrier,
crs
req1i'1red,
and
tighten
the nut
on
the stud
H3
in
looper
corrier.
]hen
press
locjper
corner
K3
firmly
down
ugainst
the
looper
currie,r
ond
secur1cly
tighle-,11
the
S•Jt
screw
F3.
4.
When
the
ri~Jht
k,c,per
posses the
left
looper,
it
should
poss
behind
the
left
looper
heod
ond
ir1
fmnt
of
the
needle.
Place the
"HIGH"
end
of
tlw
gouge,
as
shown
ot
J6,
in the irrsert
in
Fig.
6,
oguinst
the
left
side
of
the
needle.
Turn the 111ocl,inl,
pulley
until
the
right
looper
D3
is
at
its
extreme
left
position
At
this
poirit,
tire
tip
of
the
right
looper
D3
should
just
touch
the surfc,ce
C5
of
the
gauue.
K3
G3
S3
03
F.3
Fig.
7.
Adjustments
of
the
Right
Looper
7
5.
1he
right
looper,
when
passing
behind
the
left
looper,
should
brush
lightly
on
the
front
of
the
needle.
To
adiust
this
position
of
the
right
looper
D3,
loosen
the
nut
on
the
stud
H3
and
move
the
right
looper
D3
in
the
right
looper
carrier
S3,
m
required,
then
securely
tighten
the
nut
on
the
stud
H3.
Recheck
and
adjust
the
height
and
the
right
and
left
position
of
the
right
looper,
as
described
above.
When
all
the
settings
of
the
right
looper
have
been
properly
adjusted,
check
each
setting
again
and
make
sure
all
set
screws
and
nuts
ore
securely
tightened.
Then
reploce
looper
thread
plate
and
chip
guard.