Singer 211W151 Manuale utente

I

r--

Fo

r m 3

17

3W

(

962

)

SERVICE

MANUA

FOR

SI

GER

*

211W151

machine

SINGLE

NEEDLE

LOCK STITCH

This

book

contains

complete

information

covering

operation

and

adjustment

of

machine

and

a

list

of

parts,

accessories

and

special

fittings.

Illustrations

and

descriptions

of

parts

in

rear

of

book

should

be

consulted

when

ordering

any

part

of

machine

requiring

renewal.

THE

SINCER MANUFACTURING COMPANY

*A

Trademark

of

THE

SINGER

MANUFACTURING COMPANY

Co

ger

Mo

tt

ufacturlng Company

Copyr

~

g

ht

Under ln

ter

r\

atlona

l Copyright Union

A

ll

Rlohts l • ierved under

l

rt

ter

~

Am.,

lcon

Ca

;-

yrlght

Un

ion Print

ed

in

U.

S.

A.

From the library of: Superior Sewing Machine & Supply LLC

2

D

ES

CRI

P

TIGN

--------------------------------------------------

Machin

e

211W151

produc

e s

high

sp

ee

d,

precision

stitching

on

coats,

s

uit

s ,

ov

e

r-

alls,

rainwear,

sports

out

e

rw

e

ar,

work

clothes

and

similar

it

e

ms

of

m e

dium

to

heavy

weight

fabrics.

Single

needle,

lock

stitch

. F ede

ral

Stitch

Type

301.

Belt

driven

rotary

s e

wing

hook

on

ve

r-

tical

axis

makes

two

r e

volutions

for

e

ach

stitch.

Safety

clutch,

adjustable

to

suit

sewing

conditions,

protects

hook

from

damag

e

resulting

from

accidental

strain.

Should

any

foreign

matter

clog

the

hook,

this

new

type

safety

clutch

will

disengage

it-

self

and

will

re-engage

only

after

area

has

been

cleared.

Compound

feed,

combination

of

drop

feed

and

needle

feed.

Maximum

length

of

stitch,

5

to

inch.

Presser

bar

lift,

1/4

inch.

Hinged

presser

foot.

Needle

bar

stroke,

1-5/16

inches.

Needle

thread

lubricated

by

felt

pad

automatically

supplied

with

oil

from

res-

ervoir

in

face

plate.

Bed,

20-3/8

inches

long,

7

inches

wide.

Space

at

right

of

needle,

10-1/2

inches.

SPEED

Maximum

speed,

4000

R.

P.M.,

depend-

ing

on

material

being

stitched.

It

is

ad-

visable

to

run

a

new

machine

slower

than

maximum

speed

for

first

few

minutes

to

allow

time

for

oil

to

reach

moving

parts.

Machine

pulley

turns

over

toward

operator.

SETTING

UP

Fasten

drip

pan

to

table

with

its

left

end

even.with

left

end

of

cut-out.

Fasten

knee

lifter

bracket

in

location

shown

in

Fig.

2.

Assemble

it

so

that

lifter

rod

A

does

not

strike

drip

pan.

Screw

slots

in

bracket

provide

necessary

adjustment.

Set

stop

stud

B

to

stop

action

of

knee

lifter

as

soon

as

presser

foot

is

raised

enough

to

trip

hand

lever.

Screw

drain

pipe

C

into

drain

hol

e

in

drip

pan

and

attach

oil

jar

D,

a s s

hown.

Fi

g. 2.

Knee

Lifter,

Drip Pan and

Oil

Jar

in

Position

HOOK

LUBRICATION

Hook

saddle

contains

oil

pumped

to

bobbin

case

raceway

in

hook

during

op-

eration.

To

control

amount

of

oil

flow,

tip

machine

back

and

loosen

control

valve

set

screw

A,

Fig.

3.

Fi

g.

3.

Sewing H

ook

011

Control Valve

Set

Screw

Fi

g.

4.

Sewing

Hook

Oil

Control V

al

ve Screw

Return

machine

to

upright

position.

Turn

control

valve

K

to

right

for

more

oil;

to

left

for

less

oil.

After

desired

adjust-

ment

is

attained,

re-tighten

control

valve

set

screw

A.

See

complete

lubricating

instructions

next.

From the library of: Superior Sewing Machine & Supply LLC

LUBRICATION

Use

SINGER*

OIL,

11

TYPE

A''

or

"TYPE

C''.

Use

"TYPE

C"

OIL

when

an

oil

is

desired

which

will

produce

minimum

stain

on

fabrics

even

after

long

period

of

storage.

3

CLEANING

Clean

out

all

lint

and

other

waste

from

around

sewing

hook

and

between

feed

rows

on

underside

of

throat

plate.

IS

IDLE LUBRICATING

PAD

Fig. 6.

Reservoir

in

Arm

FOR

MORE

THREAD

LUBRICANT

Fi

g.

5.

Lubricatin

g Machine Head

_,.

r

SATURATE WICK

NEEDLES

Use

SINGER*

Needles

Catalog

1901

(135x7)

Fi

g. 7.

Reservoir

in

Bed

when

machine

is

set

with

1

/4"

clear-

ance

under

presser

foot

or

Catalog

3355

(135xl7)

when

machine

is

set

with

3/8"

clear-

ance

under

presser

foot

Needle

sizes

determined

by

size

of

thread

and

type

of

material

being

sewn.

CHECK

TWICE

DAILY

/

HIGH

MARK

OIL

TWICE

DAILY

AS FAR AS POSSIBLE

AND

TIGHTEN SCREW

Fi g.

B.

Settin

g

th

e Needl.e

From the library of: Superior Sewing Machine & Supply LLC

4

THREADING

NEEDLE

Fig.

10.

Threading

Tension

Assembly

Fig.

9.

Upper

Threading

Complete

Fig.

11.

Threading

Needle

BOBBIN

REMOVAL

BOBBIN--------

Fig.

12.

From the library of: Superior Sewing Machine & Supply LLC

OIL

5

WINDING

THE

BOBBIN

TENSION CONTROL

1.

PLACE

BOBBIN

ON

SPINDLE

AS FAR

AROUND BOBBIN

THEN

START

MACHINE

NOTE-TIGHTEN

FOR

MORE

THREAD

ON

BOBBIN:

Regulate

to

stop

winder

wh

en

bobbin

is

wound

1/16

inch

short

of

bobbin

rim

Fig.

15.

Fig.

13.

BOBBIN

REPLACEMENT

DIRECTION

OF

THREAD

AROUND

BOBBIN

•

Fig.

14.

THREADING

BOBBIN

CASE

PULL

THREAD

DRAW

THREAD

TO

BACK

OF

PROJECTION

DRAW THREAD

UP

TWO

INCHES

Fig.

16.

From the library of: Superior Sewing Machine & Supply LLC

6

THREAD

TENSIONS

Turn

machine

pulley

until

tension

screw

is

accessible.

Fi

g. 17.

Bob

b

in

Thread Tension

Tension

on

threads

should

be

as

light

as

possible

while

still

sufficient

to

set

stitch

in

material.

Regulate

needle

thread

tension

only

when

presser

foot

is

down.

Fi

g.

18.

Needle Thread Tension

STITCH

LENGTH

REGULATION

1.

Stop

machine

•

2.

Depress

button

shown

in

Fig.

19.

3.

Turn

machine

pulley

toward

you

slowly-

until

button

drops

(clicks).

4.

Turn

machine

pulley

until

desired

stitch

length

is

opposite

mark

on

arm

(see

Fig.

20

) .

5.

Release

button.

Never

depress

the

button

while

the

machine

is

running.

Make

certain

that

plunger

is

disengaged

before

starting

machine.

20.

Stitoh

Length

Indicator

Fi

g. 19.

Stitoh

Len

gt

h Button

Regulator

PRESSER

FOOT

PRESSURE

TURN

TO-=-=-=

ADJUST

Fi

g. 21.

Adjusting

Pressure

The

pressure

on

the

material

should

be

as

light

as

possible,

while

still

suffi-

cient

to

insure

correct

feeding.

From the library of: Superior Sewing Machine & Supply LLC

~

THREAD

CONTROLLER

I 0

The

function

of

th

e

thread

controller

spring

is

to

hold

back

the

slack

of

the

needle

thread

until

point

of

needle

reach-

es

the

goods

in

its

descent,

as

without

this

controlling

action

of

the

spring,

the

slack

thread

{especially

silk)

will

some-

times

be

penetrated

by

point

of

needle

as

needle

is

descending.

Fig.

22. Adjustment

of

Thread

Controller

To

change

the

thread

controller

stop

for

more

controller

action

on

the

thread,

loosen

set

screw

Z,

and

turn

thread

con-

troller

spring

stop

T,

Fig.

22

to

the

right;

for

less

action,

turn

thread

con-

troller

spring

stop

T

to

the

left,

after

which

securely

tighten

set

screw

Z.

It

may

be

found

advisable

to

increase

tension

of

spring

for

coarse

thread,

or

to

lessen

it

for

fine

thread.

To

increase

tension

of

thread

controller

on

thread,

loosen

tension

stud

set

screw

Y,

located

nearly

under

tension

stud,

and

turn

tension

stud

A2

slightly

to

the

left.

To

decrease

tension

turn

it

to

the

right.

Re-tighten

stud

set

screw

Y 0

TO

SET

NEEDLE

BAR

See

that

needle

is

up

in

the

holder

as

far

as

it

will

go.

There

are

two

lines

across

the

needle

bar

about

two

inches

above

the

lower

end.

When

needle

bar

is

at

its

lowest

position,

the

upper

mark

should

be

just

visible

at

end

of

needle

bar

frame.

In

case

needle

bar

is

not

correctly

set,

loosen

needle

bar

connecting

stud

pinch

screw

M,

Fig.

23

and

place

needle

bar

in

correct

position

as

directed

above,

then

re-tighten

screw

M.

7

TO

SET

A

NEEDLE

BAR

WHICH

HAS

NO

MARK

Regulat

e

the

stitch

length

as

instructed

on

pag

e

6,

so

that

there

is

no

fe

e

ding

mo-

tion,

then

set

needle

bar

so

that

when

it

rises

3/32

inch

from

its

lowest

position

and

point

of

sewing

hook

is

at

center

of

needle,

eye

of

needle

will

be

about

1/16

inch

below

point

of

hook.

RELATIVE

POSITIONS

OF

NEEDLE

BAR

AND

PRESSER

BAR

The

distance

between

the

needle

bar

and

presser

bar

{after

regulating

stitch

length

so

that

there

is

no

feed

movement)

should

be

17/32

inch

as

shown

below

0

Fig.

23.

Relative

Positions

of

Needle

Ba.r

and

Presser

Ba.r

If

the

distance

between

needle

bar

and

presser

bar

is

more

or

less

than

17/32

inch,

loosen

needle

bar

frame

shaft

clamp

screw

N2,

Fig.

24.

While

this

screw

is

loose,

needle

bar

frame

can

be

moved

for-

ward

or

backward,

as

may

be

required,

Fig. 24.

To

Adjust

Needle

Rock

Frame

From the library of: Superior Sewing Machine & Supply LLC

8

'\lOti!

the

distance

between

the

n

ee

dl

e

bar

hook

so

that

a

hole

in

bobbin

case

is

in

and-presse-r

ba-r

i s 17/

:3

2

-i

nch.

A

-p

i-

e-ce·

------'

lin

e

witn

-

hoo

].{h:eig

nt

--a

djusting

screw

2,

of

sheet

metal

17/32

inch

wide

may

be

Fig

.

25.

To

raise

hook,

turn

down

screw

used

to

determine

the

correct

distance.

J2.

If

there

is

insufficient

space

for

th

e

When

the

adjustment

has

been

made,

shim

to

pass

between

bobbin

case

stop

securely

tighten

screw

N2.

finger

K

and

throat

plate,

turn

up

screw

J2

TO

ADJUST

HEIGHT

OF

SEWING

HOOK

When

lower

timing

mark

A,

Fig.

26

on

needle

bar

is

just

visible

at

end

of

needle

bar

frame

on

upward

stroke

of

needle

bar,

the

hook

point

should

be

about

1/16

inch

above

eye

of

needle,

as

shown

in

Fig.

26.

To

adjust

height

of

hook,

fasten

throat

plate

to

bed

of

machine

with

bobbin

case

stop

finger

K,

Fig.

26,

in

sewing

position.

Use

.

032

inch

shim.

Shim

should

slide

between

bobbin

case

stop

finger

K

and

throat

plate.

If

the

shim

is

too

loose,

turn

machine

pulley

so

that

socket

screws

J2

Fig.

25. Height Adjustment

of

SeJring

Hook

HZ,

Fig.

25

are

accessible

with

a

socket

wrench.

Loosen

both

screws

and

remove

cloth

washer

from

bobbin

case,

then

turn

A

0

Fig

. 26. Height Adjustment

of

Sewing

Hook

and

press

down

hook.

Check

timing

and

tighten

socket

screws

H2,

then

turn

screw

J2

just

enough

to

leave

a

light

tension.

TO

SET

SEWING

HOOK

TO

OR

FROM

NEEDLE

Fig.

27. Adjustments Underneath

the

Machine

To

prevent

point

of

hook

from

dividing

strands

of

thread,

it

should

pass

as

close

as

possible

to

the

needle

(within

the

clear-

ance

above

needle

eye).

Turn

machine

pulley

over

toward

you

until

point

of

sewing

hook

is

at

center

of

needle.

Loosen

screws

Nand

T,

Fig.

27,

underneath

bed

of

machine

and

move

hook

saddle

to

the

right

or

left,

as

may

be

re-

quired,

until

point

of

hook

is

as

close

to

needle

as

possible

without

striking

it,

then

securely

tighten

screws

Nand

T.

CAUTION:

Make

sure

hook

driving

gears

U,

are

set

correctly

with

relation

to

face

of

hook

saddle.

Use

•

008

shim.

The

function

of

hook

washer

(needle

guard)

G2,

Fig.

25,

which

is

attached

to

bottom

of

sewing

hook,

is

to

prevent

point

of

hook

from

striking

needle

if,

when

pass-

ing

through

mate

rial,

needle

is

deflected

toward

hook.

The

needle

guard

can

be

bent

with

a

small

pair

of

pliers

until

it

prevents

hook

point

from

striking

needle,

but

it

should

not

be

bent

outward

enough

to

deflect

needle

from

its

normal

path.

From the library of: Superior Sewing Machine & Supply LLC

TO

TIME

-sEW

ING

OOK

Regulate

the

stitch

l e

ngth,

as

instructed

on

page

6,

so

that

there

is

no

feeding

mo-

tion.

Remove

throat

plate

and

turn

machine

pulley

over

toward

you

until

lower

mark

across

needle

bar

is

just

visible

at

end

of

needle

bar

frame

on

upward

stroke

of

needle

bar,

as

shown

in

Fig.

26.

If

needle

bar

and

sewing

hook

are

correctly

timed,

the

point

of

hook

will

be

at

center

of

needle

(about

1/16

inch

above

the

eye)

as

shown

in

Fig.

26

.

F

ig

. 28. Timing Sewing

Hook

In

case

sewing

hook

is

not

correctly

timed,

turn

machine

pulley

over

toward

you

until

needle

bar

has

descended

to

its

lowest

point

and

has

risen

to

the

po-

sition

where

lower

timing

mark

across

needle

bar

is

just

visible

at

end

of

needle

bar

frame,

as

shown

at

A,

Fig.

26.

Loosen

two

socket

screws

in

hub

of

hook

shaft

gear

L2,

Fig.

28

and

turn

hook

until

point

of

hook

is

at

center

of

needle.

Then

securely

tighten

two

socket

screws

in

hook

shaft

gear

L2.

9

TO

REMOVE

BOBBIN

CAS

E

FROM

SEWING

HOOK

{see

Fig

.

29)

Remove

the

two

hook

gib

scr

e ws W,

from

sewing

hook,

lift

off

hook

gib

F2,

and

remov

e

bobb

in

case

X.

X

F2

w

Fig.

29.

To

Remove

Bobbin Case from

Sewing

Hook

TO

REMOVE

SEWING

HOOK

FROM

MACHINE

Remove

presser

foot,

throat

plate

and

feed

dog,

then

laos

en

two

socket

screws

in

hub

of

hook

H2,

Fig.

30

and

lift

hook

off

end

of

shaft.

To

remove

hook

shaft,

first

remove

screws

in

ball

bearing

re-

J2

Fi

g.

30.

To

Remove

Sewing

Hook

f

rom

Machine

taining

cap

directly

under

hook.

Next,

tip

machine

back

and

loosen

set

screws

L2,

Fig.

28

in

hook

shaft

gear

and

lift

hook

shaft

by

top

end.

If

shaft

does

not

lift

out

ea

s

ily,

loosen

screws

in

cover

plate

of

hook

saddle

sufficiently

to

per-

mit

oil

to

drain

out,

then

remove

cover,

being

careful

not

to

damage

the

gasket

M2,

F i

g.

32,

page

10,

then

tap

end

of

hook

s

haft.

From the library of: Superior Sewing Machine & Supply LLC

e-AUTION:

The

-

hook

-is-

equipped-with

a

screw

in

the

hub

for

adjusting

the

vertical

position

of

the

hook

relative

to

the

throat

plate

seat.

This

position

is

set

to

a

gauge

at

the

factory.

When

replacing

or

install-

ing

a

new

hook,

care

must

be

taken

to

se

e

that

the

bobbin

case

stop

finger

K,

Fig.

31

fits

correctly

in

the

throat

plate.

If

it

is

too

high,

it

will

interfere

with

the

free

passage

of

thread.

If

it

is

too

low,

it

may

slip

out

and

cause

damage

to

hook

and

bobbin

case

when

machine

is

in

operation.

To

make

the

adjustment,

remove

cloth

washer

in

bottom

of

bobbin

case,

loosen

socket

screws

HZ,

Fig.

30,

page

9

in

hook

hub,

then

turn

hook

until

adjusting

screw

appears

beneath

one

of

the

holes

in

the

bottom

of

bobbin

case.

Hold

hook

down

against

its

seat

and

turn

adjusting

screw

with

screwdriver

until

the

proper

up

and

down

position

is

attained.

Tighten

socket

screws

HZ,

Fig.

30

in

hub

of

hook.

10

To

remove

ball

bearing

from

hook

shaft,

rest

bearing

with

shaft-end

up

on

two

pieces

of

sheet

metal

placed

across

the

open

jaws

of

a

vise.

Tap

shaft

until

bearing

is

re-

moved.

TO

ADJUST

BOBBIN

CASE

OPENER

{see

Fig.

31)

The

bobbin

case

opener

Y

should

be

set

so

that

it

touches

the

bobbin

case

as

lightly

as

possible,

yet

turns

the

bobbin

case

enough

to

make

a

sufficient

open-

ing

for

the

free

passage

of

the

thread

be-

tween

throat

plate

and

bobbin

case.

TO

TIME

BOBBIN

CASE

OPENER

{see

Figs.

31

and

3Z)

Turn

machine

pulley

over

toward

you

until

lower

timing

mark

on

needle

bar

is

even

with

end

of

needle

bar

frame

on

up-

ward

stroke

of

needle.

In

this

position,

the

mark

DZ,

on

flange

of

opener

driving

shaft,

should

line

up

with

reference

mark

CZ

on

hook

saddle.

If

opener

shaft

is

out

of

time,

tip

machine

back

and

loosen

y

E2

02

C2

Fi

g. 31.

Adjustin

g Bobbin Case Opener

K2

Fi

g. 32. Timing Bobbin Case

Opene

~

socket

screws

KZ

in

opener

driving

gear

then

return

machine

to

upright

position

and

turn

shaft

with

screwdriver

in

screw

EZ

at

top

end

of

shaft,

then

tighten

socket

screws

KZ

in

gear.

From the library of: Superior Sewing Machine & Supply LLC

Singer 211W151 Manuale utente

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