Singer 120U User manual

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SINGER

SEWING

MACHINE

MODEL

120u

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From the library of: Superior Sewing Machine & Supply LLC

CONTENTS

Introducing the New SINGER Sewing Machine Model 120U 1

Oiling the Machine 2

Needles

Thread

Inserting the Needle 4

Threading the Machine 5

Removing the Bobbin Case and Bobbin 6

Winding the Bobbin 7

Threading the Bobbin Case 8

Replacing the Bobbin Case 8

Preparing to Sew 9

Sewing 9

Setting

Thread

Tensions 10

Adjusting Presser

Foot

Pressure 11

Adjusting Stitch Length 11

Machine

Cushion

Hints for Perfect Operation 12

Ail

Rights

Reserved

Throughout

the

World

From the library of: Superior Sewing Machine & Supply LLC

SINGER

Introducing

the

New

SINGER*

Sewing Machine Model

120U

The

most

dependable,

lightest

running

machine

its

kind.

This

machine

will

produce

top

quality

straight-line single-needle

lock

stitch

ing in fabrics as fine as ladies' lingerie or as heavy as men's overcoating.

This machine can reach speeds up

5000

revolutions

per

minute.

With an oil reservoir, a

pump

and

minimum

wicking, all

parts

requiring

oil

are

kept

constantly

lubricated.

Oil

flow

can

checked

easily

through

"window"

arm

top

cover.

Quiet and smooth in operation, the Model 120U was designed for

your

comfort,

making sewing

pleasant, quicker

and

profitable to

you.

- i -

From the library of: Superior Sewing Machine & Supply LLC

OILING

THE

MACHINE

Oil

your

machine!

For

best

results, use

SINGER*"TYPE

A"or

"TYPE

Oil.

"TYPE

Oil

used

when

oil

desired

which

will

produce

minimum

staining

fabrics even

after

along

period

storage.

Fig.

TIP

MACHINE

BACK

NEVER

ALLOW

OIL

FALL

BELOW

LOW

MARK

FILL

HIGH

MARK

Tip

machine back on its hinges and fill the oil reservoir as illustrated in

Fig. 2.

When

machine

is NEW

has

been

idle for several weeks,

advisable to remove the face plate and oil the needle bar and take-up

bearings.

CAUTION:

Correct

lubrication

indicated

continuous

stream

oil passing

the

oil flow

window

while

machine

running,

shown

in Fig. 3.

Fig. 3

SHOULD

SHOW

STEADY

OIL

FLOW

Should

this

oil

flow

become

erratic,

STOP

the

machine

and

check

the

reservoir

oil

level.

Fill

needed.

least

twice

each

month,

check

the

oil

level

the

reservoir.

Never

allow

the

oil

level

drop

below

LOW

mark,

shown

in Fig. 2.

-2-

From the library of: Superior Sewing Machine & Supply LLC

NEEDLES

The

needles

you

use

have

veiy

directeffect on the quality, strength

and appearance

the stitching produced by your machine. This is

why it is so important to use

SINGER

needles according to the

ing

chart.

MACHINE

NEEDLES

CAT.

NO.

CLASS

and

VARIETY

SIZES

120U3

1361

88x9

9,10,11,12,13,14,16,

17,

18,

19,

20,21

and

1315

X 1

I20U13

2254

16x231

16, 18, 19,

21,

and

2270

16x257

9,10,

11,12,13,14,16,

17,

18, 19,

20,21,22,

and

bent

needle will cause

your

machine

skip stitches and drift away

from adesired sewing direction.

hook

burr

on the needle

point

will result in a blurred finish and

may

cut

the

material.

THREAD

the

Class

120U,

use

ONLY

left

twist

thread

the

needle.

Either

right

left

twist

thread

can

used

the

bobbin.

determine

the

thread

twist,

hold

the

thread

shown

below.

Then

roll

the

thread

held

the

right

hand

over

toward

you—if

the

strands

the

thread

wind

tighter,

the

thread

left

twist;

the

strands

unwind

separate,

the

thread

right

twist.

HOLD

THIS

END

Fig.

ROLL

OVER

TOWARD

YOU

-s-

From the library of: Superior Sewing Machine & Supply LLC

Fig, 5

MOVE

HIGHEST

POINT

LOOSEN

SCREW

INSERT

NEEDLE

FAR

POSSIBLE

LONG

GROOVE

120U3

MACHINE

—

Fig. 6

MOVE

HIGHEST

POINT

LOOSEN

SCREW

INSERT

NEEDLE

FAR

POSSIBLE

LONG

GROOVE

120U13

MACHINE

INSERTING

THE

NEEDLE

Turn

the

machine

pulley

over

toward

the

operator

until the

needle

bar

moves

its

highest

point.

After

loosening the needle clamp

ing screw, insert needle UP into

needle

bar

FAR

WILL

GO, as instructed in Figs. 5 and

The

long groove

the

needle

MUST

face

the

left

end

the

machine,

shown

in Figs. 5

and

Securely

tighten

the

needle

clamp

ing

screw.

-4-

From the library of: Superior Sewing Machine & Supply LLC

THREADING

THE

MACHINE

First,

turn

machine

pulley

over

toward

you

until

needle is at its

highest

point,

then

pass

the

needle

thread

from

the

thread

stand

through

the

threading

points

the

order

shown

sketch

below.

Draw

about

two

inches

thread

through

the

eye

the

needle.

NOTE:

For

better

sewing results, use needle

bar

thread

guide A

(Fig.

when

sewing

lightweight

fabrics

with

the

120U3

machine.

CAUTION:

When using

the

needle

bar

thread

guide,

NOT

run

the

machine

with

presser

foot

up.

Fig. 8

120U3

MACHINE

Fig.9

120U3

MACHINE

Fig. 10

120U13

MACHINE

-5-

From the library of: Superior Sewing Machine & Supply LLC

LATCH

Fig. 11

Fig.

REMOVING

THE

BOBBIN

CASE

AND

BOBBIN

Turn

machine pulley over

toward

you until the thread take-up lever is

its

highest

point.

Open slide plate and reach under

the

bed

the

machine

with

left

hand

and

remove

the

bobbin

case

shown

in Fig.

11.

LATCH

BOBBIN

DROPS

OLIT

Releasing

the

latch

will allow

bobbin

removal

shown

in Fig.

12.

-6-

From the library of: Superior Sewing Machine & Supply LLC

WINDING

THE

BOBBIN

PRESS

DOWN

PUSH

PULLEY

u--/

AGAINST

BELT

-/M

Fig.

Place

bobbin

spindle

bobbin

winder

pushing

as far as

will

and

pass

thread

through

threading

points

shown

in Fig.

13.

Wind

end

thread

around

the

bobbin

few

times.

Press

down

thumb

latch

and

start

machine.

The

bobbin

winder

will

stop

automatically.

Fore

thread

the

bobbin,

turn

screw

Aclockwise;

for

less

thread

the

bobbin,

turn

screw

counterclockwise.

When

winding

bobbin

with

fine

thread,

alight

tension

should

used.

Adjust

the

knurled

nut

Fig. 13,

regulate

the

tension.

thread

winds

unevenly

bobbin,

loosen

screw

and

move

tension

bracket

the

left

right, as

required.

Tighten

screw B.

Bobbins

can

wound

while

the

machine

stitching!

Oil

your

bobbin

winder

occasionally. Apply a few drops

oil to

the

oil well in

bobbin

winder

shown

Fig.

13.

From the library of: Superior Sewing Machine & Supply LLC

SLOT

NEAR

TOP

DRAW

THREAD

UPAND

INTO

DELIVERY

EYE

Fig.

PULL

THREAD

INTO

SLOT

DRAW

THREAD

DOWN

AND

UNDER

SPRING

Fig.

REPLACE

BOBBIN

CASE

STUD

PRESS

BOBBIN

CASE

FIRMLY

INTO

PLACE

Fig. 16

THREADING

THE

BOBBIN

CASE

Hold

the

bobbin

that

thread

will

unwind

the

direction

shown

Fig.14.

Hold

the

bobbin

case

shown

Fig. 14

and

place

the

bobbin

into

and

thread

shown

in Fig. 15.

REPLACING

THE

BOBBIN

CASE

After

threading,

take

bobbin

case

latch

left

hand

and

place

bobbin

case

center

stud

bobbin

case

holder,

shown

Fig. 16

and

release

latch.

Press

bobbin

case

firmly

into

place.

Allow

about

two

inches

thread

hang

free.

-8-

From the library of: Superior Sewing Machine & Supply LLC

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