Singer 211W151 Service Manual
Form
(962)
3173W
SERVICE
SINGLE
21tW151
NEEDLE
MANUAL
SINGER'
machine
LOCK
STITCH
This
and
special
of
book
requiring
"A Trodemorit of THESINGER
book
adjustment
fittings.
should
renewal.
THE
MANUFACTURING
contains
of
machine
Illustrations
be
consulted
SINGER
COMPANY
complete
MANUFACTURING
CopyrightC) 1^62 by ThoSmger MonufodurlngCompony
All Righlft
information
andalist
and
when
Copyright Undir Intcrnationol Copyright Union
RtMrv«d
of
parts,
descriptions
ordering
wndtr
Inter-AmtrUon
Copyright
covering
accessories
of
any
part
COMPANY
Union
parts
of
operation
and
in
rear
machine
Printed
In U. S. A.
Machine
precision
alls,
clothes
heavy
Stitch
tical
stitch.
rainwear,
Single
Belt
axis
Safety
and
weight
needle,
Type
driven
clutch,
conditions,
resulting
any
foreign
new
type
self
and
will
has
been
Compound
feed
and
Maximum
Presser
Hinged
Needle
Needle
automatically
ervoir
Bed,
Space
in
20-3/8
at
211W151
stitching
similar
fabrics.
301.
makes
protects
from
matter
safety
re-engage
cleared.
feed,
needle
length
bar
presser
bar
thread
face
right
DESCRIPTION
produces
on
coats,
sports
items
lock
rotary
two
stitch.
sewing
revolutions
adjustable
hook
accidental
clog
clutch
combination
feed.
of
stitch,
lift,
1/4
foot.
stroke,
1-5/16
lubricated
supplied
plate.
inches
of
long,
needle,
outerwear,
of
hook
to
from
strain.
the
hook,
will
disengage
only
after
inch.
by
with
oil
7
10-1/2
high
suits,
medium
Federal
for
suit
damage
of
5
to
inches.
felt
from
inches
speed,
over
work
on
ver
each
sewing
Should
this
area
drop
inch.
pad
res
inches.
to
it
wide
hole
as
shown.
FRONT
Fig.
Hook
bobbin
eration.
tip
machine
set
screw
in
drip
pan
EDGEOFTABLE'
2.
Knee
Lifter,
HOOK
saddle
case
raceway
To
back
A,
control
and
attach
Drip
LUBRICATION
contains
and
Fig.
3.
Pan
and
oil
in
hook
amount
loosen
oil
jar
L
EDGE
^MACHINE
JCUT-OUT
Oil
Jar
pumped
during
of
oil
control
D,
in
OF
Position
to
op
flow,
valve
Maximum
ing
on
visable
maximum
allow
time
Machine
Fasten
even.with
lifter
Assemble
strike
bracket
provide
stud
B
as
presser
hand
lever.
material
to
run
speed
for
pulley
drip
left
it
drip
pan.
necessary
to
stop
foot
speed,
being
a
new
oil
turns
SETTING
pan
end
in
so
that
action
is
Screw
SPEED
4000
stitched.
machine
for
first
to
reach
over
to
table
of
cut-out.
location
lifter
Screw
adjustment.
of
raised
drain
R.
few
UP
shown
rod
slots
knee
enough
pipe
P.
M.,depend
slower
minutes
moving
toward
with
its
Fasten
in
A
in
lifter
C
It
is
parts.
operator.
left
Fig.
does
bracket
Set
stop
as
to
trip
into
ad
than
to
end
knee
not
soon
drain
2.
Fig.
3.
Control
Return
Turn
to
ment
set
instructions
control
left
is
screw
Sawing
Valve
machine
for
less
attained,
A.
Hook
Set
valve
next.
Oil
Screw
oil.
See
to
upright
K
to
After
re-tighten
complete
Fig,
Oil
right
desired
4.
Sewing
Control
Valve
position.
for
more
adjust
control
lubricating
Hook
Screw
oil;
valve
Clea]
arouj
sewi
und
1 1
al
int
and
ot!
ng
hook
er
side
and
of
th
1
out
id
on
Catalog
achine
der
presser
Catalog
achine
der
presser
is
3355
is
1901
set
foot
or
set
foot
(135x7)
with1/4"
(135x17)
wilh
3/8"
I
clear-
clear-
LONG
GROOVE
TO
LF"
N
EE
AS
G
HI
THREADING
NEEDLE
Fig.
BEHIND
OIL
9.
PAD
Upper
Threading
Complete
BOBBIN
REMOVAL
Fig.
10.
MOVE
TO
HIGHEST
POINT
Threading
Fig.
11.
Tension
Threading
Assembly
Needle
RAISE
Fig.
LATCH
LIFT
12.
OUT
BOBBIN
WINDING
THE
BOBBIN
3.
PRESS
TO
AGAINST
THEN
MACHINE
PUSH
START
OIL
DOWN
PULLE
BELT,
1.
NOTE-TIGHTEN
BOBBIN
PLACE
SPINDLE
AS
IT
BOBBIN
AS
WILL
\\
Regulate
1/16
Fig.
inch
13.
REPLACEMENT
FAR
GO
FOR
to
short
TENSION
ON
2.
stop
WIND
AROUND
MORE
winder
of
bobbin
CONTROL
ADJUST
EVEN
THREAD
BOBBIN
THREAD
when
rim
LOOSEN
WINDING
bobbin
ON
TO
FOR
BOBBIN:
is
wound
DIRECTION
AROUND
PULL
INTO
OF
BOBBIN
THREAD
SLOT
1.
THREAD
THREADING
PLACE
BOBBIN
2.
Fig.
CLOSE
14.
BOBBIN
ON
LATCH
CENTER
CASE
STUD
DRAW
BACK
THREAD
OF
PROJECTION
TO
Fig.
DRAW
TWO
15.
THREAD
INCHES
Fig.
UP
16
THREAD
TENSIONS
Turn
screw
LESS
Tension
as
possible
stitch
1.
Stop
2.
Depress
3.
Turn
slowly—
4.
Turn
stitch
arm
5.
Release
machine
is
accessible.
TENSION'"^^
Pig.
17.
on
in
material.
machine
pulley
MORE
ww
Bobbin
threads
while
Kiread
still
.
button
machine
machine
length
(see
button.
until
Fig.
pulley
button
pulley
is
20
until
TENSION
Tension
should
sufficient
shown
opposite
),
tension
be
STITCH
in
Fig.
toward
drops
until
mark
as
light
to
19,
you
(clicks).
desired
on
set
LENGTH
Regulate
when
presser
REGULATION
I
needle
Pig.
foot
18.
thread
is
MORE
TENSION
Needle
tension
down.
LESS
TENSION
IHiread
Pig. 20.
Indicator
O o
Tension
Stitch
only
Length
Never
machine
Make
before
TURN
ADJUST
depress
is
certain
starting
TO
the
running.
that
machine.
Pig.
21.
button
plunger
Adjusting
MORE
LESS
while
is
disengaged
PRESSER
PRESSURE
PRESSURE.
Pressure
the
BUTTON
Pig.
19.
Stitch
FOOT
D
PRESSURE
The
as
light
cient
pressure
as
to
insure
Length Button
on
the
possible,
correct
Regulator
material
while
feeding.
still
should
suffi
be
The
spring
needle
es
the
this
slack
times
needle
THREAD
function
is
to
hold
thread
goods
controlling
thread
be
penetrated
is
descending.
CONTROLLER
of
the
back
until
in
its
point
descent,
action
(especially
by
thread
the
of
point
slack
of
the
silk)
controller
of
needle
as
without
spring,
will
of
needle
the
reach
some
the
as
TO
SET
Regulate
on
page
tion,
rises
and
point
needle,
inch
below
then
3/32
A
6,
of
eye
NEEDLE
the
so
set
inch
sewing
of
point
MARK
stitch
that
needle
from
needle
of
length
there
bar
hook
hook.
BAR
its
will
WHICH
as
is
no
so
that
lowest
is
at
be
instructed
feeding
when
position
center
about
HAS
l/l6
NO
mo
it
of
Pig,
To
change
for
more
loosen
troller
right;
for
troller
which
It
securely
may
tension
to
lessen
To
increase
on
thread,
Y,
located
turn
tension
To
decrease
Re-tighten
See
that
far
as
it
across
above
is
at
the
its
should
bar
frame.
In
case
loosen
screw
in
correct
then
re-tighten
22.
AdjustmentofThread
the
controller
set
screw
spring
spring
less
stop
action,
stop
tighten
be
found
of
spring
it
for
fine
tension
loosen
nearly
stud
tension
stud
TO
SET
needle
will
go.
the
needle
lower
lowest
be
just
visible
needle
needle
M,
bar
Fig.
position
screw
thread
action
Z,
and
T,
T
advisable
for
coarse
thread.
tension
under
A2
slightly
turn
set
screw
NEEDLE
is
up
There
bar
end.
position,
bar
is
connecting
23
and
as
controller
turn
Fig.
turn
to
the
set
of
tension
it
in
are
about
When
the
at
end
not
place
directed
M.
Controller
on
thread
22
thread
left,
screw
to
thread,
thread
stud
to
to
Y.
BAR
the
two
two
needle
upper
of
correctly
stud
needle
the
thread,
to
the
after
Z.
increase
controller
set
stud,
the
the
right.
holder
lines
inches
needle
pinch
above,
stop
con
con
or
screw
left.
as
bar
mark
bar
and
set,
RELATIVE
The
presser
so
that
be
17/32
If
the
presser
inch,
screw
loose,
ward
distance
bar
there
inch
Fig.
distance
bar
loosen
N2,
needle
or
backward,
POSITIONS
AND
(after
is
as
23.
Relative
Bar
is
needle
Fig.
bar
1
PRESSER
between
regulating
no
feed
shown
and
between
more
24.
frame
movement)
below.
Positions
Presser
or
bar
While
as
may
OF
the
Bar
needle
less
frame
can
NEEDLE
BAR
needle
stitch
of
Needle
than
shaft
this
be
be
required.
bar
length
should
bar
17/32
screw
moved
BAR
and
and
clamp
is
for
Pig.
24.ToAdjust
Needle
Rook Frame
Vintil
and
presser
of
sheet
used
When
securely
the
to
determine
the
TO
distance
bar
metal
adjustment
tighten
ADJUST
SEWING
between
is
17/32
the
screw
17/32
inch
correct
has
HEIGHT
HOOK
N2.
the
inch.
wide
been
needle
may
distance.
made,
OF
A
bar
piece
be
hook
line
Fig.
J2.
shim
finger
and
tighten
J2
just
so
with
25.
If
to
press
that
hook
To
there
pass
K
and
down
socket
enough
a
hole
height
raise
is
insufficient
between
throat
hook.
screws
to
in
hook,
plate,
leave
bobbin
adjusting
turn
bobbin
turn
Check
H2,
then
a
light
case
down
space
case
timing
tension.
is
screw
for
stop
up
screw
turn
in
J2,
screw
the
J2
and
screw
When
needle
bar
frame
the
hook
above
To
adjust
plate
stop
Use.032
to
finger
between
throat
turn
machine
Fig.
H2,
Fig.
wrench.
cloth
washer
Fig.
lower
bar
eye
bed
bobbin
plate.
25.
26.
is
on
point
of
height
of
K,
inch
Heigjit
25
Loosen
Hei^t
timing
just
upward
should
needle,
machine
Fig.
shim.
case
If
the
pulley
Adjustment
are
accessible
from
Adjustment
visible
of
26,
shim
so
both
bobbin
mark
stroke
be
as
hook,
Shim
stop
that
of
screws
A,
Fig.
at
end
of
about
shown
1/16
in
fasten
with
bobbin
in
sewing
should
finger
is
too
socket
Seyring
Hook
withasocket
and
case,
of
Sewing
of
needle
Fig.
throat
position.
slide
K
and
loose,
remove
then
Hook
26
needle
bar,
inch
case
screws
turn
on
26.
Fig.
To
prevent
strands
as
possible
ance
above
Turn
until
point
needle.
underneath
saddle
quired,
needle
securely
CAUTION;
U,
are
of
hook
The
guard)
bottom
of
hook
ing
through
toward
The
pair
of
from
bent
its
striking
outward
normal
TO
SET
SEWING
OR
FROM
27. Adjustments Underneath
point
of
thread,
to
the
needle
machine
of
sewing
Loosen
bed
of
to
the
right
until
as
point
possible
tighten
Make
set
correctly
saddle.
function
G2,
of
sewing
from
of
Fig.
striking
NEEDLE
of
hook
it
should
needle
eye).
pulley
hook
screws
machine
or
left,
of
hook
without
screws
sure
with
Use.008
hook
25,
which
hook,
needle
material,
hook.
needle
pliers
guard
until
can
it
prevents
needle,
enough
path.
to
HOOK
N
(within
over
is
N
N
hook
washer
is
needle
be
but
it
deflect
TO
the
Machine
from
pass
toward
at
and
and
as
may
is
as
striking
and
driving
relation
shim.
is
attached
to
prevent
if,
is
bent
hook
should
needle
dividing
as
close
the
clear
you
center
T,
move
close
Fig.
be
it,
of
27,
hook
re
to
then
T.
gears
to
face
(needle
to
point
when
pass
deflected
withasmall
point
not
be
from
Regulate
on
page
tion.
Remove
pulley
across
of
needle
needle
needle
timed,
of
needle
as
shown
TO
6,
over
needle
bar,
bar
the
TIME
the
so
that
throat
toward
bar
frame
as
and
point
(about
in
Fig.
SEWING
stitch
plate
bar
shown
sewing
of
1/I6
26.
there
you
is
just
on
hook
length,
is
and
until
visible
upward
in
Fig.
hook
will
inch
HOOK
as
no
turn
lower
26.
are
be
above
instructed
feeding
machine
mark
at
stroke
If
correctly
at
center
the
end
eye)
mo
of
Remove
from
and
sewing
remove
Fig.
TO
REMOVE
FROM
the
hook,
bobbin
29.
To
(see
two
Remove
Sewing
BOBBIN
SEWING
Fig.
hook
lift
case
Bobbin
Hook
gib
off
X.
HOOK
29)
hook
Case
CASE
screws
from
gib
W,
F2,
In
timed,
you
its
lowest
sition
across
of
needle
Fig.
hub
turn
of
needle.
socket
case
until
26.
of
hook
/
Pig.
sewing
turn
needle
point
where
needle
bar
Loosen
hook
until
screws
28. Timing Sewing Hook
machine
bar
and
bar
frame,
shaft
point
Then
in
hook
gear
securely
hook
has
has
lower
is
two
is
pulley
just
as
socket
L2,
of
hook
shaft
not
descended
risen
timing
visible
shown
correctly
over
to
screws
Fig.
is
tighten
gear
c
toward
the
mark
at
at
28
at
to
po
end
A,
and
center
two
L2.
in
Remove
feed
in
hub
off
end
first
Fig.
taining
tip
machine
L2,
hook
lift
out
plate
mit
being
M2,
hook
dog,
of
of
remove
30.
cap
Fig.
shaft
of
oil
to
careful
Fig.
shaft.
TO
presser
then
hook
shaft.
To Remove
28
by
easily,
hook
drain
32,
REMOVE
FROM
loosen
H2,
screws
directly
back
in
hook
top
loosen
saddle
out,
not
page
SEWING
MACHINE
foot,
two
Fig.
To
remove
in
J2
Sewing
under
and
loosen
shaft
end.
screws
sufficiently
then
to
damage
10,
30
ball
Hook
If
then
throat
socket
and
from
hook.
gear
shaft
remove
HOOK
plate
lift
hook
bearing
Machine
set
screws
and
does
in
to
the
gasket
tap
end
and
screws
hook
shaft,
re-
Next,
lift
not
cover
per
cover,
of
10
CAUTION:
screw
in
position
plate
at
the
seat.
factory.
inganew
that
the
fits
correctly
too
high,
passage
slip
out
bobbin
To
make
washer
socket
hub,
then
appears
bottom
against
with
down
screwdriver
position
screws
To
remove
rest
bearing
of
sheet
ofavise.
moved.
the
of
hook,
bobbin
it
of
and
case
the
in
bottom
screws
turn
beneath
of
bobbin
its
H2,
metal
The
hub
for
the
hook
This
When
care
case
in
the
will
interfere
thread.
cause
when
adjustment,
H2,
hook
one
seat
and
is
attained.
Fig.
ball
with
placed
Tap
shaft
hook
adjusting
relative
position
replacing
must
stop
throat
Ifitis
damage
machine
of
bobbin
Fig.
until
of
case.
turn
until
30
in
bearing
shaft-end
across
until
is
equipped
is
finger
with
to
is
remove
30,
adjusting
the
Hold
adjusting
the
proper
hub
from
bearing
the
to
the
set
toagauge
or
be
taken
K,
plate.
the
too
low,
hook
in
operation.
case,
page9in
holes
hook
Tighten
of
hook.
hook
up
on
the
with
vertical
throat
install
to
Fig.
Ifitis
free
it
and
cloth
loosen
screw
in
the
down
screw
up
socket
two
open
is
see
may
hook
and
shaft,
pieces
jaws
re
a
31
Pig.
31,
Adjusting
Bobbin
Case
D2
Opraier
C2
TO
The
set
lightly
case
ing
for
tween
TO
Turn
until
even
ward
the
shaft,
C2
on
of
time,
ADJUST
bobbin
so
that
enough
throat
TIME
lower
with
stroke
mark
should
hook
it
as
possible,
the
free
(see
machine
timing
end
D2,
saddle.
tip
BOBBIN
(see
case
touches
to
make
passage
plate
BOBBIN
Figs.
pulley
of
needle
of
needle.
on
flange
line
machine
Fig.
opener
the
yet
a
and
31
mark
up
with
If
back
CASE
31)
Y
bobbin
turns
sufficient
of
bobbin
CASE
and
over
on
bar
In
this
of
reference
opener
and
OPENER
should
the
the
thread
case.
OPENER
32)
toward
needle
frame
opener
shaft
loosen
be
case
bobbin
open
you
bar
on
position,
driving
mark
is
as
be
up
is
out
socket
then
and
at
top
screws
return
turn
end
Pig.
screws
shaft
of
K2
32. Timing Bobbin Case Opener
K2
in
machine
with
shaft,
in
gear.
opener
to
upright
screwdriver
then
driving
tighten
gear
position
in
screw
socket
E2
TO
RAISE
OR
LOWER
(see
Fig.
THE
33)
FEED
DOG
11
THE
FEED
(see
ECCENTRIC
Fig.
34)
Usually
position,
throat
To
the
lint
and
replace
and
turn
feed
dog
screw
or
lower
Then
when
it
should
plate.
adjust,
and
dust
throat
machine
is
at
V
in
feed
feed
re-tighten
feed
remove
from
pulley
its
highest
lifting
dog,
screw
dog
is
showafull
throat
between
plate;
tip
toward
position;
cam
as
may
be
V.
at
its
tooth
plate;
feed
machine
fork
required.
highest
you
loosen
and
above
clean
points
back
until
raise
Feed
which
or
loose
eccentric
locking
the
two
until
all
snugly
tighten
eccentric
can
be
motion
body.
screws
adjusting
play
in
slot
two
adjusted
02
is
in
locking
Q2
is
provided
to
between
To
adjust
nearest
screws
eliminated
eccentric
screws
02
take
feed
gib,
gib
02
and
body.
Q2.
withagib
up
any
eccentric
loosen
and
turn
against
eccentric
Securely
P2
wear
and
two
in
gib
fits
When
careful
low
enough
Feed
needle
of
center
case
needle
and
needle
adjust
securely
check
bar
and
page
raising
that
dog
is
hole,
relative
presser
7.
Fig.
33.
its
to
should
down
of
needle
is
loosen
feed
tighten
Feed
Adjustments
or
lowering
underside
strike
it
will
not
correctly
dog
pinch
position
bar
sewing
be
hole
pinch
as
as
does
set
so
be
slightly
in
feed
screws
required.
screws
of
the
instructed
feed
not
hook.
that
dog.
located
B3
needle
dog,
drop
when
in
B3
Then
and
on
be
front
In
in
Spring
tric
cam
of
position
Collar
to
change
ordinarily
of
eccentric
52
P2
R2
presses
to
prevent
while
may
spring
be
body.
"Si
Q2
Flg>
34,
machine
be
pressure.
set
flush
Feed
against
it
from
moved
M
R2
Eccentric
is
to
with
S2
feed
moving
eccen
operating.
right
end
It
or
should
of
out
left
hub
TO
REMOVE
Open
hinge
Remove
tion
of
frame
N2,
Fig.
with
its
the
stud
arm
rock
L,
cover
35.
shaft
1
NEEDLE
face
and
shaft
from
plate.
Fig.
plate
loosen
connection
Pull
BAR
23,
page
on
front
needle
needle
machine.
ROCK
Remove
7,
pinch
bar
take-up
and
upright
bar
rock
FRAME
take-up.
por
rock
screw
frame
12
Remove
chine
pulley
pulley
bearing
Lift
belt
through
occupied
is
X2.
and
TO
REPLACE
CONNECTION
needle
out
of
Loosen
remove
which
up
and
space
by
ball
(see
to
time.
comes
draw
at
M2,
bearing.
ARM
Fig.
avoid
Slide
two
screws
machine
out
it
around
Fig.
SHAFT
BELT
37)
damage
belt
pulley
with
36,
while
off
in
machine
and
the
pulley.
arm
normally
ma
lower
ball
shaft
TO
Remove
Loosen
move
page
slot
V2
Fig.
35.ToRemove
REMOVE
set
take-up
7.
in
V2
Fig.
arm
screw
Lift
take-up
top
U2
36.ToRemove
Needle
cover
lever
of
arm.
Bar
TAKE-UP
on
U2,
Fig.
hinge
lever
Take-up
Rock
top
Frame
36,
stud
out
Lever
LEVER
of
machine.
and
L,
through
Fig.
re
23,
Replace
M2,
pulley
with
ball
from
chine
in
place)
with
palm
set
screws
Turn
til
thread
point.
"B"
setting
pulley
chine
arm
over
correctly
lower
NOTE:
X2
has
and
must
Flg« 37.ToReplace
belt
Fig.
T2,
36,
Fig.
bearing.
shaft,
pulley
tap
of
lightly
and
machine
hand.
firmly.
machine
take-up
Then
turn
mark
X2
is
in
bed.
shaft
Now,
or
hook
pulley.
timed
Safety
been
not
set
be
Arm Shaft
through
After
36
replace
To
tighten
(holding
pulley
lever
hook
at
line
with
without
driving
with
clutch
at
factory
disturbed.
Connection
ball
placing
remove
needle
pulley
Tighten
over
is
driving
Z2
on
mark
The
feed
needle.
in
Belt
bearing
belt
machine
all
set
screws
bar
into
position
machine
toward
at
its
highest
shaft
safety
Y2
disturbing
shaft,
will
lower
for
belt
correct
hole
over
pulley
end
crank
you
until
clutch
cut
either
slip
then
pulley
at
upper
play
in
ma
pulley
un
in
into
belt
be
torque
the
ma
13
PARTS
SINGER
2llwl5l
LIST
FOR
MACHINE
Parts
made
list
marked
at
the
opposite
withadiamond
factoary;
illustration.
these
(♦)
parts
(♦)
are
are
furnished
named
at
only
bottom
when
repairs
of
descriptive
are
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