Singer 211W151 Manuale utente

Form

3173W

(962)

SERVICE

MANUAL

SINGER'

21tW151

machine

SINGLE

NEEDLE

LOCK

STITCH

This

book

contains

complete

information

covering

operation

and

adjustment

machine

and

list

parts,

accessories

and

special

fittings.

Illustrations

and

descriptions

parts

rear

book

should

consulted

when

ordering

any

part

machine

requiring

renewal.

THE

SINGER

MANUFACTURING

COMPANY

"A Trodemorit of THESINGER

MANUFACTURING

COMPANY

CopyrightC) 1^62 by ThoSmger Monufodurlng Compony

All Righlft

RtMrv«d

wndtr

Inter-AmtrUon

Union

Printed

In U. S. A.

From the library of: Superior Sewing Machine & Supply LLC

DESCRIPTION

Machine

211W151

produces

high

speed,

precision

stitching

coats,

suits,

over

alls,

rainwear,

sports

outerwear,

work

clothes

and

similar

items

medium

heavy

weight

fabrics.

Single

needle,

lock

stitch.

Federal

Stitch

Type

301.

Belt

driven

rotary

sewing

hook

ver

tical

axis

makes

two

revolutions

for

each

stitch.

Safety

clutch,

adjustable

suit

sewing

conditions,

protects

hook

from

damage

resulting

from

accidental

strain.

Should

any

foreign

matter

clog

the

hook,

this

new

type

safety

clutch

will

disengage

self

and

will

re-engage

only

after

area

has

been

cleared.

Compound

feed,

combination

drop

feed

and

needle

feed.

Maximum

length

stitch,

inch.

Presser

bar

lift,

1/4

inch.

Hinged

presser

foot.

Needle

bar

stroke,

1-5/16

inches.

Needle

thread

lubricated

felt

pad

automatically

supplied

with

oil

from

res

ervoir

face

plate.

Bed,

20-3/8

inches

long,

inches

wide

Space

right

needle,

10-1/2

inches.

SPEED

Maximum

speed,

4000

depend

ing

material

being

stitched.

visable

run

new

machine

slower

than

maximum

speed

for

first

few

minutes

allow

time

for

oil

reach

moving

parts.

Machine

pulley

turns

over

toward

operator.

SETTING

Fasten

drip

pan

table

with

its

left

end

even.with

left

end

cut-out.

Fasten

knee

lifter

bracket

location

shown

Fig.

Assemble

that

lifter

rod

does

not

strike

drip

pan.

Screw

slots

bracket

provide

necessary

adjustment.

Set

stop

stud

stop

action

knee

lifter

soon

presser

foot

raised

enough

trip

hand

lever.

Screw

drain

pipe

into

drain

hole

drip

pan

and

attach

oil

jar

shown.

FRONT

EDGE

TABLE'

EDGE

^MACHINE

JCUT-OUT

Fig.

Knee

Lifter,

Drip

Pan

and

Oil

Jar

Position

HOOK

LUBRICATION

Hook

saddle

contains

oil

pumped

bobbin

case

raceway

hook

during

eration.

control

amount

oil

flow,

tip

machine

back

and

loosen

control

valve

set

screw

Fig.

Sawing

Hook

Oil

Control

Valve

Set

Screw

Fig,

Sewing

Hook

Oil

Control

Valve

Screw

Return

machine

upright

position.

Turn

control

valve

right

for

oil;

left

for

less

oil.

After

desired

adjust

ment

attained,

re-tighten

control

valve

set

screw

See

complete

lubricating

instructions

next.

From the library of: Superior Sewing Machine & Supply LLC

Catalog

1901

(135x7)

achine

set

with

/4"

clear-

der

presser

foot

Catalog

3355

(135x17)

achine

set

wilh

3/8"

clear-

der

presser

foot

Clea]

out

1 1

int

and

ot!

arouj

sewi

hook

and

und

side

LONG

GROOVE

LF"

From the library of: Superior Sewing Machine & Supply LLC

THREADING

NEEDLE

Fig.

10.

Threading

Tension

Assembly

BEHIND

OIL

PAD

Fig.

Upper

Threading

Complete

BOBBIN

REMOVAL

RAISE

LATCH

LIFT

OUT

BOBBIN

Fig.

12.

MOVE

HIGHEST

POINT

Fig.

11.

Threading

Needle

From the library of: Superior Sewing Machine & Supply LLC

WINDING

THE

BOBBIN

OIL

PRESS

DOWN

PUSH

PULLE

AGAINST

BELT,

THEN

START

MACHINE

TENSION

CONTROL

PLACE

BOBBIN

SPINDLE

FAR

WILL

LOOSEN

ADJUST

FOR

EVEN

WINDING

WIND

THREAD

AROUND

BOBBIN

NOTE-TIGHTEN

FOR

THREAD

BOBBIN:

Regulate

stop

winder

when

bobbin

wound

1/16

inch

short

bobbin

rim

Fig.

13.

BOBBIN

REPLACEMENT

PLACE

BOBBIN

CENTER

STUD

DIRECTION

THREAD

AROUND

BOBBIN

LATCH

Fig.

14.

THREADING

BOBBIN

CASE

Fig.

15.

PULL

THREAD

INTO

SLOT

DRAW

THREAD

BACK

PROJECTION

DRAW

THREAD

TWO

INCHES

Fig.

From the library of: Superior Sewing Machine & Supply LLC

THREAD

TENSIONS

Turn

machine

pulley

until

tension

screw

accessible.

Regulate

needle

thread

tension

only

when

presser

foot

down.

TENSION

LESS

TENSION'"^^

Pig.

17.

Bobbin

Kiread

Tension

threads

should

light

possible

while

still

sufficient

set

stitch

material.

STITCH

LENGTH

REGULATION

Stop

machine

Depress

button

shown

Fig.

19,

Turn

machine

pulley

toward

you

slowly—

until

button

drops

(clicks).

Turn

machine

pulley

until

desired

stitch

length

opposite

mark

arm

(see

Fig.

Release

button.

Never

depress

the

button

while

the

machine

running.

Make

certain

that

plunger

disengaged

before

starting

machine.

TENSION

O o

LESS

TENSION

Pig.

18.

Needle

IHiread

Tension

Pig. 20.

Stitch

Length

Indicator

BUTTON

Pig.

19.

Stitch

Length Button

Regulator

PRESSER

FOOT

PRESSURE

TURN

ADJUST

PRESSURE

LESS

PRESSURE.

Pig.

21.

Adjusting

Pressure

The

pressure

the

material

should

light

possible,

while

still

suffi

cient

insure

correct

feeding.

From the library of: Superior Sewing Machine & Supply LLC

THREAD

CONTROLLER

The

function

the

thread

controller

spring

hold

back

the

slack

the

needle

thread

until

point

needle

reach

the

goods

its

descent,

without

this

controlling

action

the

spring,

the

slack

thread

(especially

silk)

will

some

times

penetrated

point

needle

descending.

Pig,

22.

Adjustment

Thread

Controller

change

the

thread

controller

stop

for

controller

action

the

thread,

loosen

set

screw

and

turn

thread

con

troller

spring

stop

Fig.

the

right;

for

less

action,

turn

thread

con

troller

spring

stop

the

left,

after

which

securely

tighten

set

screw

may

found

advisable

increase

tension

spring

for

coarse

thread,

lessen

for

fine

thread.

increase

tension

thread

controller

thread,

loosen

tension

stud

set

screw

located

nearly

under

tension

stud,

and

turn

tension

stud

slightly

the

left.

decrease

tension

turn

the

right.

Re-tighten

stud

set

screw

SET

NEEDLE

BAR

See

that

needle

the

holder

far

will

go.

There

are

two

lines

across

the

needle

bar

about

two

inches

above

the

lower

end.

When

needle

bar

its

lowest

position,

the

upper

mark

should

just

visible

end

needle

bar

frame.

case

needle

bar

not

correctly

set,

loosen

needle

bar

connecting

stud

pinch

screw

Fig.

and

place

needle

bar

correct

position

directed

above,

then

re-tighten

screw

SET

NEEDLE

BAR

WHICH

HAS

MARK

Regulate

the

stitch

length

instructed

page

that

there

feeding

tion,

then

set

needle

bar

that

when

rises

3/32

inch

from

its

lowest

position

and

point

sewing

hook

center

needle,

eye

needle

will

about

l/l6

inch

below

point

hook.

RELATIVE

POSITIONS

NEEDLE

BAR

AND

PRESSER

BAR

The

distance

between

the

needle

bar

and

presser

bar

(after

regulating

stitch

length

that

there

feed

movement)

should

17/32

inch

shown

below.

Fig.

23.

Relative

Positions

Needle

Bar

and

Presser

Bar

the

distance

between

needle

bar

and

presser

bar

less

than

17/32

inch,

loosen

needle

bar

frame

shaft

clamp

screw

N2,

Fig.

24.

While

this

screw

loose,

needle

bar

frame

can

moved

for

ward

backward,

may

required.

Pig.

24.

Adjust

Needle

Rook Frame

From the library of: Superior Sewing Machine & Supply LLC

Vintil

the

distance

between

the

needle

bar

and

presser

bar

17/32

inch.

piece

sheet

metal

17/32

inch

wide

may

used

determine

the

correct

distance.

When

the

adjustment

has

been

made,

securely

tighten

screw

N2.

ADJUST

HEIGHT

SEWING

HOOK

When

lower

timing

mark

Fig.

needle

bar

just

visible

end

needle

bar

frame

upward

stroke

needle

bar,

the

hook

point

should

about

1/16

inch

above

eye

needle,

shown

Fig.

26.

adjust

height

hook,

fasten

throat

plate

bed

machine

with

bobbin

case

stop

finger

Fig.

26,

sewing

position.

Use

032

inch

shim.

Shim

should

slide

between

bobbin

case

stop

finger

and

throat

plate.

the

shim

too

loose,

turn

machine

pulley

that

socket

screws

Fig.

25.

Heigjit

Adjustment

Seyring

Hook

H2,

Fig.

are

accessible

with

socket

wrench.

Loosen

both

screws

and

remove

cloth

washer

from

bobbin

case,

then

turn

Fig.

26.

Hei^t

Adjustment

Sewing

Hook

hook

that

hole

bobbin

case

line

with

hook

height

adjusting

screw

J2,

Fig.

25.

raise

hook,

turn

down

screw

J2.

there

insufficient

space

for

the

shim

pass

between

bobbin

case

stop

finger

and

throat

plate,

turn

screw

and

press

down

hook.

Check

timing

and

tighten

socket

screws

H2,

then

turn

screw

just

enough

leave

light

tension.

SET

SEWING

HOOK

FROM

NEEDLE

Fig.

27. Adjustments Underneath

the

Machine

prevent

point

hook

from

dividing

strands

thread,

should

pass

possible

the

needle

(within

the

clear

ance

above

needle

eye).

Turn

machine

pulley

over

toward

you

until

point

sewing

hook

center

needle.

Loosen

screws

and

Fig.

27,

underneath

bed

machine

and

move

hook

saddle

the

right

left,

may

quired,

until

point

hook

needle

possible

without

striking

it,

then

securely

tighten

screws

and

CAUTION;

Make

sure

hook

driving

gears

are

set

correctly

with

relation

face

hook

saddle.

Use

008

shim.

The

function

hook

washer

(needle

guard)

G2,

Fig.

25,

which

attached

bottom

sewing

hook,

prevent

point

hook

from

striking

needle

if,

when

pass

ing

through

material,

needle

deflected

toward

hook.

The

needle

guard

can

bent

with

small

pair

pliers

until

prevents

hook

point

from

striking

needle,

but

should

not

bent

outward

enough

deflect

needle

from

its

normal

path.

From the library of: Superior Sewing Machine & Supply LLC

TIME

SEWING

HOOK

Regulate

the

stitch

length,

instructed

page

that

there

feeding

tion.

Remove

throat

plate

and

turn

machine

pulley

over

toward

you

until

lower

mark

across

needle

bar

just

visible

end

needle

bar

frame

upward

stroke

needle

bar,

shown

Fig.

26.

needle

bar

and

sewing

hook

are

correctly

timed,

the

point

hook

will

center

needle

(about

1/I6

inch

above

the

eye)

shown

Fig.

26.

Pig.

28. Timing Sewing Hook

case

sewing

hook

not

correctly

timed,

turn

machine

pulley

over

toward

you

until

needle

bar

has

descended

its

lowest

point

and

has

risen

the

sition

where

lower

timing

mark

across

needle

bar

just

visible

end

needle

bar

frame,

shown

Fig.

26.

Loosen

two

socket

screws

hub

hook

shaft

gear

L2,

Fig.

and

turn

hook

until

point

hook

center

needle.

Then

securely

tighten

two

socket

screws

hook

shaft

gear

L2.

REMOVE

BOBBIN

CASE

FROM

SEWING

HOOK

(see

Fig.

29)

Remove

the

two

hook

gib

screws

from

sewing

hook,

lift

off

hook

gib

F2,

and

remove

bobbin

case

Fig.

29.

Remove

Bobbin

Case

from

Sewing

Hook

REMOVE

SEWING

HOOK

FROM

MACHINE

Remove

presser

foot,

throat

plate

and

feed

dog,

then

loosen

two

socket

screws

hub

hook

H2,

Fig.

and

lift

hook

off

end

shaft.

remove

hook

shaft,

first

remove

screws

ball

bearing

re-

Fig.

30.

To Remove

Sewing

Hook

from

Machine

taining

cap

directly

under

hook.

Next,

tip

machine

back

and

loosen

set

screws

L2,

Fig.

hook

shaft

gear

and

lift

hook

shaft

top

end.

shaft

does

not

lift

out

easily,

loosen

screws

cover

plate

hook

saddle

sufficiently

per

mit

oil

drain

out,

then

remove

cover,

being

careful

not

damage

the

gasket

M2,

Fig.

32,

page

10,

then

tap

end

hook

shaft.

From the library of: Superior Sewing Machine & Supply LLC

CAUTION:

The

hook

equipped

with

screw

the

hub

for

adjusting

the

vertical

position

the

hook

relative

the

throat

plate

seat.

This

position

set

gauge

the

factory.

When

replacing

install

ing

new

hook,

care

must

taken

see

that

the

bobbin

case

stop

finger

Fig.

fits

correctly

the

throat

plate.

too

high,

will

interfere

with

the

free

passage

thread.

too

low,

may

slip

out

and

cause

damage

hook

and

bobbin

case

when

machine

operation.

make

the

adjustment,

remove

cloth

washer

bottom

bobbin

case,

loosen

socket

screws

H2,

Fig.

30,

page

hook

hub,

then

turn

hook

until

adjusting

screw

appears

beneath

one

the

holes

the

bottom

bobbin

case.

Hold

hook

down

against

its

seat

and

turn

adjusting

screw

with

screwdriver

until

the

proper

and

down

position

attained.

Tighten

socket

screws

H2,

Fig.

hub

hook.

remove

ball

bearing

from

hook

shaft,

rest

bearing

with

shaft-end

two

pieces

sheet

metal

placed

across

the

open

jaws

vise.

Tap

shaft

until

bearing

moved.

ADJUST

BOBBIN

CASE

OPENER

(see

Fig.

31)

The

bobbin

case

opener

should

set

that

touches

the

bobbin

case

lightly

possible,

yet

turns

the

bobbin

case

enough

make

sufficient

open

ing

for

the

free

passage

the

thread

tween

throat

plate

and

bobbin

case.

TIME

BOBBIN

CASE

OPENER

(see

Figs.

and

32)

Turn

machine

pulley

over

toward

you

until

lower

timing

mark

needle

bar

even

with

end

needle

bar

frame

ward

stroke

needle.

this

position,

the

mark

D2,

flange

opener

driving

shaft,

should

line

with

reference

mark

hook

saddle.

opener

shaft

out

time,

tip

machine

back

and

loosen

Pig.

31,

Adjusting

Bobbin

Case

Opraier

Pig.

32. Timing Bobbin Case Opener

socket

screws

opener

driving

gear

then

return

machine

upright

position

and

turn

shaft

with

screwdriver

screw

top

end

shaft,

then

tighten

socket

screws

gear.

From the library of: Superior Sewing Machine & Supply LLC

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