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  9. Singer 281-30 User manual

Singer 281-30 User manual

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SINGER
281-30
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
Form
21315
(1064)
~
Il
!NI
G
IE
IRt
Sewv~[(e
MIDJ~ijj(O]~
(TEMPORARY)
--
---
-2s1-30
Mach
a
n(E;~
·
---
--
-
281-5,
281-6,
281-20,
2=81
22,
==2=81-23
and
281-24=
Regulation
View
-
Machine
281-24
THE
SINGER
COMPANY
Copyright
f:
1964
by
The
Singer
Company
Copyright
Under
lnternotionol
Copyright
Union
All
Rights
Reserved
under
Inter.American
Copyright
Union
*A
Tradomark
af THE
SINGER
COMPANY
Printod
in
U.
S.
A.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
DESCRIPTION
OF
MACHINES
Machines
of
Class
281-
ore
high
speed,
single
needle,
lockstitch
machines
designed
for
sewing
ma-
terials
ranging
from
light
weight
to
heavy
weight.
Among
the
varieties
covered
in
this
manual
are
puller-feed
and
needle-feed
machines,
top-gripper
machines
and
machines
that
perform
simultaneous
trimming
and
stitching.
Al I
of
these
machines
produce
outstanding
straight
line
stitching
in a
wide
range
of
wash-and-wear,
syn·
~thetic
and
natural
fabrics.
General
Features
Federal
stitch
type
301.
Balanced,
air
cooled,
rotating
hook.
Horizontal
OXI
S,
Lint
wiper
keeps
lint
and
abrasive
matter
from
ac-
cumulating
on
hook.
Drop
feed
consists
of
pendent
link
feed
with
feed
leveling
hinge
pin.
Pendant
link
feed
mechanism
maintains
longer
feed-
ing
cycle.
Three
plain
superfinished
bearings
support
the
arm
shaft.
Fully
automatic
lubricating
system
with
oil
flow
window
in
direct
view
of
operator.
Knee
lifter
mechanism
integral
with
machine
base
and
oil
reservoir.
Independent
light
fixture
mount.
Improved
needle
thread
guard
and
other
thread
hand-
ling
ports.
Disc
tension.
Machinepulley
147139
for
3/8
inch
V-belt.
Space
at
right
of
needle,
11
inches.
Machine
Varieties
Machine
281-5,
Vertical
Trimmer
Medium
weight
and
heavy
weight
fabrics.
Needle
bar
stroke,
l-13./64
inches
Presser
bar
lift,
5/16
inch.
Knife
bar
stroke,
5-
1
16
inch.
Maximum
stitch
length,
with
regular
fittings,
5-1/2
stitches
per
inch.
Needle,
Catalog
1515
(l6x95).
Bed-raising
plate
sets
flush
with
top
of
throat
plate.
Regularly
fitted
to
trim
1/8
inch
from
line
of
stitch-
ing.
Extra
cutting
bar
and
presser
foot
supplied
for
3/16
inch.
When
specified
on
order,
machines
can
be
fitted
for
1/16,
3/32,
5/32,
3
1
16
or
l/4
inch
trim
margin.
Extra
cutting
bar
and
presser
foot
furnished
in
each
instance
will
be
next
size
larger
than
that
ordered.
When
1/4
inch
(widest
trim
morg in)
is
requested,
two
sets
of
this
size
will
be
supplied
with
machine.
Speed,
5000
stitches
per
minute.
Machine
281-6,
Top
Gripper
Collar
and
cuff
operations
on
light
weight
to
medium
weight
fabrics.
Top
driven
gripper
feed.
Top
feed
intermittently
driven
by I
inkage
actuated
through
counter
shaft.
Countershaft
driven
by
eccentric
on
arm
shaft.
Eccentric
adjustable
to
obtain
optimum
relationship
between
top
and
bottom
feed.
Top
feed
designed
to
grip
fabric
at
some
moment
that
bottom
feed
rises
to
make
contact
and
to
travel
with
bottom
feed
during
its
entire
front
to
rear
feeding
motion.
Top
feed·
then
returns
(in
raised
position
above
ma-
terial)
to
beginning
of
next
grip-feeding
movement.
Needle
bar
stroke,
1-3/16
inches.
Presser
bar
lift,
3/16
inch.
Maximum
stitch
length,
with
regular
fittings,
5-1/2
stitches
per
inch.
Needle,
Catalog
1955
Sp.?ed,
5000
stitches
per
minute.
3
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
DESCRIPTION
(continued)
~St-3o
Mach irie
-BS'}'-7&,
Close-coupled
Puller
Feed
Machine
281-23,
Side-wheel
Puller
Feed
Light
weight
to
medium
weight
fabrics.
Needle
bar
stroke,
1-13.
1
64
inches.
Presser
bar
lift,
5/16
inch.
Maximum
stitch
length,
with
regular
fittings,
5-1/2
stitch
per
inch.
Needle,
Catalog
1955.
Close-coupled
puller
feed
1-9/16
inches
behind
needle.
Feed
rol I
intermittently
actuated
fr
om
.
,
m
eccentric
on
the
arm
shaft
through
a
countershaft
and
linkage
to
a
combination
one
way
clutch
and
double
bearing
unit
in
the
Feed
Roller.
Eccentric
is
independently
adjustable
to
bring
motion
of
the
feed
roller
in
unison
with
motion
of
feed
dog.
Lower
roller
is
an
Light
to
medium
weight
fabrics.
Needle
bar
stroke,
1-13./64
inches.
Presser
bar
lift,
5/16
inch.
Maximum
stitch
length,
with
regular
fittings,
5-1/2
stitches
per
inch.
Needle,Catalog
1955.
Side
wheel
feed
roll
independently
adjustable
to
br-ing
motion
of
feed
roll
in
unison
with
motion
of
feed
dog
.
Speed,
5000
stitches
per
minute.
idler
follower
with
a
self-lubricated
core.
Speed:
5000
stitches
per
inch.
Machine
281-22,
Needle
Feed
Light
weight
to
medium-heavy
weight
fabrics.
Needle
bar
stroke,
1-13/64
inches.
Presser
bar
lift,
5/16
inch.
Maximum
stitch
length,
with
regular
fittings,
10
stitches
per
inch.
Needle,
Catalog
1955.
Compound
feed
mechanism,
consisting
of
needle
feed
and
drop
feed,
insures
positive
feeding
of
two
or
more
plies
of
material.
Improved
stitch
regulating
mechanism.
Needle
feed
regulator
can
be
locked
to
permit
simultaneous
ad-
justment
of
needle
feed
and
drop
feed.
Speed,
5000
stitches
per
minute.
Machine
281-24
Needle
Feed
Light
to
medium
weight
fabrics.
Needle
bar
stroke,
1-9/64
inches.
Presser
bar
lift,
9/32
inch.
Maximum
stitch
length,
with
regular
fittings
10
stitches
per
inch.
Needle,
Catalog
1361
(88x9)
Compound
feed
mechanism,
consisting
of
needle
feed
and
drop
feed,
insures
positive
feeding
of
two
or
more
plies
of
material.
Improved
stitch
regulating
mechanism.
Needle
feed
regulator
can
be
locked
to
permit
simultaneous
adjustment
of
needle
feed
and
drop
feed.
Speed,
5500
stitches
per
minute.
D
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
INSTALLATION
GASKET
-
HIGH
MARK
OIL
RESERVOIR
PLUNGER
,1/1_--;
7~~~;;;;;;;;;;;;;;;;;;;;;;::~~~;:::=;;;;::;:::::;:;;k~,d
~
·"
'
' •
''
I:.
.,
,
;..,
]'
•i
.J
7•
1;
~
-
••.
,,:~·xe·~;.;_,
.
i
•OOO!l-
-
---
LOW
MARK
Fig.
2.
Machine
Base
and
Oil
Reservoir
See
that
plunger
is
in
place,
a!>
shown
in
Fig.
2,
before
placing
machine
on
base.
Mochi
ne
base
and
oi I
reservoir
fits
in to
standard
table
cut-out
and
rests
on
four
corners
without
bolting.
Rasp
edges
of
cut-out,
shown
in
Fig.
2, if
necessary,
so
that
machine
does
not
touch
tab
Ie
when
pI
cc
ed
on
base.
THE
KN
EE
LIFTER
Knee
lifter
is
shipped
assembled
to
the
base
ex-
cept
for
the
knee
plate
end
lifter
lever.
Loosen
the
two
clomp
screws
shown
in
Fig.
3
and
slide
the
rock
shaft
forward
to
position
shown.
Attach,
lifter
lever.
Set
the
stop
screw,
Fig.
3,
so
that
there
is
only
a
little
ploy
in
the
lever
before
it
starts
to
lift
the
presser
bar.
Then
tighten
lock
nut
on
stop
screw.
Set
the
rear
stop
dog
to
allow
the
presser
bar
to
be
raised
to
its
limit
and
tighten
the
two
clomp
screws.
CAUTION: Do
not
operate
machine
until
it
hos
been
thoroughly
lubricated
in
accordance
with
the
following
instructions.
Use
shims
on
corners,
when
required
to
insure
that
base
is
level,
so
that
oil
level
will
be
accurately
in-
dicated
by
marks
on
base.
Machine
head
is
not
fastened
but
should
rest
on
cork
gasket
in
base.
Machine
hinge
pins
must
not
support
the
head
except
when
machine
is
tilted
bock.
k~.-
---.
i;:~?--
-_-:_,:;:
-~--
;
__
·_.
~~~
--.
-".\·.--
r!i?/'-~>'
-.~:
·-
ff1'.~-
-
-> ·-.
--
REAR
STOP DOG
b:;,.,,
LOCK
NUT
Fig. 3.
Kn~e
Lifter
ROCK
SHAFT
,:.
~>~.:':.:I
5
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
LUBRICATION
Before
starting
machine,
the
oil
reservoir
must
be
filled
to HIGH
MARK
shown
in
Fig.
2
Use
SINGER
OIL
"TYPE
A"
or
"TYPE
C".
Use
"TYPE
C"
OIL
when
an
oil
is
desired
which
will
produce
a
minimum
of
stain
on
fabrics
even
after
o
long
period
of
storage.
Do
not
use
additives
in
sewing
machine
oil,
as
they
may
cause
a
reduction
in
normal
oil
flow
that
can
result
in
damage
to
machine.
Should
the
oi I
flow,
passing
through
the
oi I
flow
window
as
shown
in
Fig.
4,
stop
or
become
erratic,
STOP
MACHINE
AND
DO
NOT
RUN AGAIN
until
the
cause
has
been
eliminated.
Check
oil
level
often
to
keep
it
from
going
below
low
mark.
The
Oil
Flow
Regulator
Lubrication
of
the
sewing
hook
is
automatically
controlled
by
the
oil
flow
regulator
shown
in
Fig.
5.
Regulator
is
set
at
the
factory
for
lubrication
under
average
sewing
conditions.
To
determine
whether
oil
is
properly
flowing
to
the
hook,
run
machine
for
approximately
one
minute
to
es-
tobli
sh
a
uniform
rote
of
flow.
Then
open
"the
bed
slide,
hold
a
.piece
of
paper
under
the
hook
and
run
the
ma-
chine
for
about
ten
seconds.
There
should
be
a
distinct
line
of
oil
on
paper,
beneath
the
hook
bearing,
with
a
fine
spray
on
each
side
of
this
I
ine.
If
there
is
no
trace
of
oil
or
an
excess
of
oil
on
the
paper,
turn
oil
flow
regulator
to
right
or
left
to
increase
or
decrease
the
flow
of
oi
I,
as
shown
in
Fig.
5.
Machine
must
run
at
least·
one
minute
between
ad-
justments
to
insure
uniform
oil
flow.
If
the
proper
rate
of
flow
cannot
be
obtained
by
turning
the
regulator,
inspect
the
oil
flow
mechanism
as
follows:
6
Remove
needle,
bobbin
and
bobbin
case
from
ma-
chine.
Remove
bracket
screw
and
position
finger
shown
in
Fig.
5.
Loosen
two
hook
body
screws
and
turn
machine
pulley
until
feed
bar
reaches
its
highest
point.
Fig.
4.
Oi
I
Flow
Window
~
-~
THREAD
GUARD
HOOK
BODY
SCREWS--~
BRACKET
SCREW
OIL
FLOW
RE
GULA
TOR
'•
Fig.
5.
Oil
Flow
Regulator
SEWING
HOOK
FILTER
Fig.
6.
Sewing
Hook
Filter
Screw
and
Wick
Turn
the
sewing
hook
until
thread
guard
is
at
the
bottom
as
shown
in
Fig.
5
and
slide
hook
from
shaft.
Loosen
filter
screw
shown
in
Fig.
6
and
check
to
see
if
wick
hos
become
detached
or
clogged.
Inspect
all
passages
for
dirt
and
I
int
accumulation.
Replace
wick
if
necessary.
Assemble
sewing
hook
and
position
finger
to
ma-
chine.
Re-check
oil
flow
as
previously
instructed.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
CLEANING
Using
a
short
bristle
brush
(not
point
of
scissors
or
other
sharp
instrument),
remove
I
int
and
other
waste
from
around
sewing
hook,
from
between
feed
rows
and
underside
of
throat
plate
and
from
all
other
operating
points.
Tilt
machine
back
on
hinges.
Wrap
clean
rag
around
magnet,
shown
in
Fig.
7,
on
oil
pump
body
and
pull
accumulated
foreign
particles
from
magnet.
Wipe
exterior
of
machine
dry
with
a
soft
cloth.
Fig. 7.
Magnet
on
Oil
Pump
Body
SPEED
Z
Gl-30
Maximum
speed
for
Machines
281-5,
281-6,
.r~
281-22
and
281-23
is
5000
stitches
per
minute.
Maximum
speed
for
Machine
281-24
is
5500
stitches
per
minute.
Left
twist
thread
should
be
used
in
needle.
Either
right
or
left
twist
thread
may
be
used
in
bobbin.
Thread
twist
is
determined
by
holding
thread
as
shown
in
Fig.
8
and
twirling
thread
over
toward
you.
If
left
twist,
strands
will
wind
tighter.
If
right
twist,
strands
will
unwind
or
separate.
Rough
or
uneven
thread,
or
thread
which
posses
through
needle
eye
with
difficulty,
wi
II
interfere
with
successful
operation
of
the
machine.
It
is
advisable
to
operate
new
machines
at
a
speed
500
stitches
less
than
maximum
for
the
first
100
hours
of
operation.
7
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
8
MOVE TO
HIGHEST POINT
,.,,LOOSEN
SCREW
~
INSERT
NEEDLE
UP
FAR
AS
POSSIBLE
ND TIGHTEN SCREW
1 LONG
GROOVE
Fig.
9.
Machine
281-5
MOVE TO
HIGHEST POINT
LOOSEN SCREW
INSERT
NEEDLE
UP
AS FAR AS POSSIBLE
ND TIGHTEN SCREW
LONG.
~
I
GROOVE
2s,~so
Fig.
10.
Machines
281-6
and
,z&mt,o
7d
MOVE
TO
~HIGHEST
POINT
.
'LOOSEN
SCREW
~INSERT
NEEDLE
UP
FAR AS POSSIBLE
ND TIGHTEN SCREW
1 LONG
GROOVE
Fig.
11.
Machines
281-22
and
281-24
MOVE
TO
HIGHEST
POINT
AS
FAR
AS POSSIBLE
AND
TIGHTEN
SCREW
Fig. 12. Machine 281-23
NEEDLES
Machine
281-5
Use
SINGER*
Needle,
Catalog
1515
(16x95),
in
sizes
ranging
from
11
to
22.
2e,-so
Machines
281-6,
.'.,,1-20,
281-22
and
281-23
Use
SINGER*
Needle,
Catalog
1955,
in
sizes
rang-
ing from 8
to
22.
Machine
281-24
Use
SINGER*
Needle,
Catalog
1361,
1n
sizes
rang-
ing from 8
to
22.
Size
of
needle
to
be
used
should
be
determined
by
weight
of
thread
and
type
of
material
being
sewn.
Orders
for
needles
should
specify
quantity
required,
size
number
and
catalog
number.
For
example:
100
No. 16,
Catalog
1361
Needles
~.~-,-,,""'"7'!!1"'1'P;-~~------._..,..,...
~.-·
,•~~---~-="'
~
•.
--.,-._"-~'-'-,-"
-:'II
i -
SETTING THE
NEEDLE
L,
..
~ ~
--~---...-
. --
--·~
-
....
Turn·
machine
pulley
over
toward
operator
until
needle
bar
reaches
highest
point
as
shown
in
Figs.
9
to
12.
Loosen
needle
clomping
screw.
Insert
needle
into
needle
bar
as
for
as
it
will
go,
with
long
groove
of
need
le
to
the
I
eft
and
eye
of
need
le
directly
in
Ii
ne
with
arm
of
machine.
Then
tighten
the
clomping
screw.
Turn
machine
.pulley
over
toward
operator
until
needle
bar
is
at
highest
point.
Poss
thread
through
threading
points
indicated
in
Figs.
13
to
18,
page
9.
Drow
approximately
two
inches
of
thread
through
needle
eyewith
which
to
start
sewing.
0
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
-
,.;,
<~·,.·.
f }
I
f;,j
;.
j
.j
.
-
Ii
I .
Fig. 13.
MOVE
NEEDLE
BAR
TO
HIGHEST
POINT
Fig. 15. Machine 281-5
I -.-
;·
UPPER
THREADING
Fig.
14.
MOVE
NEEDLE
BAR
TO
MOVE
NEEDLE
BAR
TO
HIGHEST
POINT
Fig. 16. Machines 281-6 Fig. 17. Machines 281-22
and
:l81
20-
and 281-24
28/-30
OVE
NEEDLE
BAR
TO
HIGHEST
POINT
Fig. 18. Machine 281-23
9
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
;
;
.
I.
OPEN
LATCH--~
2.
HOLD
LATCH
1;
~
AND
PULL
'l
CASE
FROM__.-:
..__
HOOK
LOWER
THREADING
Bobbin
Removal
Turn
machine
pulley
over
toward
operator
until
needle
bar
is
at
highest
point.
Reach
beneath
bed
of
machine
with
left
hand
and
remove
bobbin
case
from
machine
as
shown
in
Fig.
19.
Release
latch
and
bobbin
will
drop
out
of
case,
as
shown
in
Fig.
20.
Threading
Bobbin
Case
Fig.
19~
Removing
Bobbin
Case
Hold
bobbin
so
that
thread
will
unwind
in
the
direc-
tion
shown
in
Fig.
21.
Hold
bobbin
case
as
shown
and
place
bobbin
into
it.
3.
RELEASE
LATC~
Pull
thread
into
slot
and
under
tension
spring,
shown
in
Fig.
22,
so
that
thread
enters
delivery
eye
at
end
of
spring.
Bobbin
Case
Replacement
@'•
BOBBIN
CROPS
OUT
Fig.
20.
Removing
Bobbin
Place
bobbin
case
on
center
stud
of
bobbin
case
holder
and
release
latch.
Place
bobbin
case
back
unti
I
latch
catches
near
end
of
stud
as
shown
in
Fig.
23.
Draw
about
two
inches
of
thread
from
bobbin
to
start
_the
sewing.
Fig.
2L
Replacin9
Wound
Bobbin
1.
HOLDING
LATCH,
REPLACE
BOBBIN
CASE
ON
STUD.
d
I---'
/
I.
PULL
THREAD
~
INTO
SLOT
_J
2. DRAW
THREAD
DOWN
AND
UNDER
SPRING
l
DELIVE~Y
EYE
/;
~~
':t:l[D
I'
..
3.
TURN
BOBBIN
CASE
OVER.
DRAW
THREAD
UP
AND
INTO
DELIVERY
EYE
j'•
Fig.
22.
Threading
Bobbin
Case
2.
RELEASE
LATCH.
3. PRESS
BACK,
UNTIL
LATCH
CATCHES
GROOVE
IN
STUD.
¥"f,.::
tl?}~~I
~-
......
~-
_
10
·_Fig.
23.
Replacing
Bobbin
Cose
'
...
,.._,:;
____
..._.,.,
:.-·•·'·~
0