Singer 247-4 Manuale utente

SINGER

247-4

247-7

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

USE

ONLY

SINGER*

OILS

and

LUBRICANTS

They

insure

freedom

from

lubricating

trouble

and

give

longer

life

sewing equipment

The

following

are

the correct lubricants

for

this machine:

TYPE

B -MANUFACTURING MACHINE OIL,

HEAVY

GRADE

When a stainless oil

desired, use:

TYPE

D -MANUFACTURING MACHINE OIL, STAIN-

LESS,

HEAVY

GRADE

OTHER

SINGER

LUBRICANTS

TYPE

E -STAINLESS THREAD LUBRICANT

For lubricating the

needle

thread

sewing machines

for

stitching fabrics

leather

where

a stainless

thread

lubri-

cant

required.

TYPE

F -MOTOR OIL

For

oil

lubricated

motors

and

plain

bearings

power

tables

and transmitters.

NOTE:

All

the above

oils

are

available

1 quart,

1 gallon and 5 gallon cans or

gallon drums.

GEAR LUBRICANT

This

specially

prepared

grease

recommended

for

gear

lubrication

on manufacturing sewing machines.

BALL BEARING LUBRICANT

This pure grease

specially

designed

for

the

lubrication

ball bearings and

ball

thrust bearings

motors and

electric

transmitters,

ball

bearing

hangers

power

tables,

etc.

Furnished

lb.

and

lb.

tins,

1923, 1931,

1940,

1941,

1949and

1950,

by The Singer

Manufacturing

Company

All

Rights Reserved

for

All

Countries

20453

ADJUSTERS

MANUAL

FOR

SINGER*

SEWING

MACI-IINES

247-4, 247-5, 247-6

and

247-7

CAUTION:

Special

attention

called

the

lubricating

instructions on

pages

0' A TRADE

MARK

T~~

SING~R MANUFACTURING CO.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

TO ALL WHOM

MAY CONCERN:

The

improper

placing

renewal

the

Trade

Mark

"SINGER"

any

other

the

Trade

Marks

The

Singer

Manufacturing

Company

(all

which

are

duly

Registered

Trade

Marks)

any

machine

that

has

been

repaired,

rebuilt,

reconditioned,

altered

any

way

whatsoever

outside

SINGER

factory

authorized

SINGER

agency

forbidden.

USING

Tl-IE

IMPORTANCE

SINGER*

PARTS

AND NEEDLES

IN s

INGER

MACHINES

The

successful

operation

SINGER

machines

can

only

nssur

SINGER

parts and needles

are

used. Supplies

are

available

all

SINGER

Shops

for the Manufacturing Trade,

and

mail

orders will receive

prompt attention.

SINGER

Needles

should

used

SINGER

Machines.

These

Needles and their Containers

are

marked with the

Company's Trade

Mark

"SIMANCO.*''

Needles

Containers

marked

"FOR

SINGER

MACHINES"

are

NOT

SINGER

made

needles.

DESCRIPTION

SINGER Machines

Class

247,

described

this

book,

are

equir,r,ed

with

vertical

trimrnPr

and

have

threp

neerlles,

two

loor,Prs

and

mechanism

for

layinq

tor,

covering

thread.

Each

machine

simultaneously

trims

the

erl9n

the

fabric

and

r,roduces

erl9e

coverin~J

stitch

with

two

needl0,s,

one

loopnr

and

thread

laying

linger

and

makes a

reinforcing,

independent

r,arollel

line

two-thread

chain

stitching

with

the

third

needl0,

and

second

loor,er.

They

each

have

boll

beorinDs

for

the

arm

rotary

shaft

intermediote

and

rear

beorings,

and

oilinD

system

which

autornaticolly

oils

all

r,rincir,ol

bearings.

The

greatest

distance

between

the

outside

needles

inch,

and

machines

can

furnished

the

following

gouges:

Distance

bPtween

overedgin~J

needles

1/s"

1/i6"

¼"

Distonce

between

single

line

stitching

and

overedging

stitching

1/16"

1/s"

1/i6"

¼"

1/16"

1/s"

3/16"

1/16"

1/s"

Following

are

descriptions

the

individual

machines:

Machine

247-4

(drop

feed)

equir,ped

with

gathering

feed

and

used

for

seaming

dresses,

children's

wear,

trousers

and

similar

work,

and

has a

needle

bar

stroke

½2

inches.

Maximum

stitch

length

stitches

the

inch.

Machine

247-5

!drop

feed)

used

for

seaming

and

welting

auto

seat

covers,

upholstery,

cushions,

trousers,

coats

and

similar

work,

and

has a

needle

bar

stroke

13/s

inches.

Maximum

stitch

lenS")th

stitches

the

inch.

Machine

247-6

equipped

with

independent

ur,per

and

under

feeds

and

with

gathering

feed,

and

used

for

seaming

children's

dresses,

children's

wear,

trousers,

bed

sr,reads

with

inserted

welt,

and

for

similar

work.

Needle

bar

stroke

½2

inches.

Maximum

stitch

lenS")th

stitches

the

inch.

Machine

247-7

equipr,ed

with

independent

upper

and

under

feeds

and

is used

for

seaming

and

welting

outo

seat

covers,

ur,holstery,

cushions,

trousers,

coats

and

similar

work.

Needle

bar

stroke

l ¾

inches.

Maximum

stitch

length

is 6

stitches

the inch.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

SETTING

When

setting

the

machines, see

that

the

rubber

insulating

bushings

are

place

in the

four

holes

the

machine

bed.

Place the

felt

pads

over

the

four

studs in

the

corners

the base, then set the

machine

the base,

with

the studs

through

the

holes

in the

rubber

bushings.

CAUTION: After setting

the machine, do not

run

until

has

been

oiled

instructed below and

pages 5, 6 and

SPEED

The maximum

speeds

recommended

for

these machines

are

follows:

Machines 2

47-4

and 2

47-6

.....

3800

rrvolutions

per

minute

Machines

247-5

and

247-7

.....

3600

rnvolutions

per

minute

CAUTION

--These machines

should

operated

moderate speeds

for

the first

few

days,

after

which

they can

operated

maximum speeds

depending

the nature

the work being sewn.

OIL

THE

MACHINES

These machines

are

each

equipped

with

oiling

system

which

automatic-

ally

delivers

the

required

quantity

oil

all

principal

bearings.

connect-

ing

rod

scoop

takes

oil

from

the

reservoir

and

lubricates,

splash,

the

various

bearings

inside

the

machine

arm. Some

this

oil

distributed,

through

pipes

and

wicks,

the

principal

bearings

outside

the

machine

arm.

INSURE OPERATION

THIS

OILING

SYSTEM,

THE

FOLLOWING

INSTRUCTIONS MUST

CAREFULLY

OBSERVED.

FAILURE

THIS

WILL

RESULT

IN SERIOUS

DAMAGE

THE

MACHINE.

CAUTION-Use

"TYPE

or "TYPE D" OIL

sold

only

Singer Sewing

Machine Company. For description

oils, see inside

front cover.

,~~~~=:::=~~ E

l50

Fig. 2. Priming

and

Oiling

Points

Rear Side

Machine

machine

new

from

the

factory,

one

which

has

been

idle

for

some

time,

must

oiled

instructed

below

and

pages

and

NOTE

--It

not necessary to remove the work

plate

for the first or

subsequent oiling

the machine. For

this

purpose, open

out

hinged portion

the work

plate

the front side. The work

plate

removed

Figs.

and 3 for the purpose

illustration.

1st.

lift

and

turn

aside

the

cover

Fig. 2,

and

apply

oil

the

filler

Fig. 2,

until

the

oil

stands

the

mark

Fig. 3,

when

the

gauge

inserted

the

gauge

pipe

X, Fig. 3,

far

will

go.

The

oil

supply

must

main-

tained

this

level.

After

applying

oil

the

filler,

turn

the

cover

closed

position.

CAUTION-

This

cover

must

kept closed

all

times

except

when

oiling.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

2nd. Fill the

oil

holes

troughs

Land

Fig.

and

U, V, Z

and

A2,

Fig.

prime the

wicks

these points.

Fig.

Priming

and

Oiling

Poinh

Front

Side

Machine

(Oil

Gauge

shown

Removed)

3rd.

Fill the

oil

holes

troughs

and

Fig.

4th. Fill the main

oil

pipe

overflowing

through

the

oil

hole

Fig.

5th.

Apply

oil

holes

N, E

and

Fig. 2,

and

Fig. 3. These

two

oil

holes

are

not

visible

in thesA

illustrations,

but

the

arrows

will

indicate

their

location.

They

serve

the

looper

avoiding

motion

eccentric

connection

hinge

pin.

Also

apply

occasional

drop

oil

H, Fig. 2,

the

gathering

feed

control.

6th.

Apply

oil

D2, Fig. 4,

for

the

needle

bar

connecting

stud,

also

apply

drop

two

oil

and

F2, Fig. 4,

where

the

presser

bar

passes

Fig.

Face

Plate

removed

show

Oiling

Points

through

its bushings,

also

and

E2, Fig. 4,

where

the

needle

bar

passes

through

its bushings.

NOTE

-After

the

machine

has

run

a moderate speed for about five

minutes,

should

be stopped and

allowed

to stand idle for a

few

minutes.

The

oil

the reservoir

should

then be checked and oil

should

added,

when necessary,

bring

to the

oil

level mark

Fig.

machine

daily

use must

oiled

follows:

1st.

Apply

oil

the

oil

filler

A, Fig. 2, until the

oil

stands

the

oil

level

mark

Fig. 3,

when

the

machine

rest.

2nd. Fill

the

oil

cup

Fig.

LEVEL

FULL

twice

daily

required.

3rd.

Apply

oil

twice

daily,

required,

all

oil

holes.

4th. Remove the

face

plate

and

apply

oil

the

points

shown

in Fig.

SPECIAL

NOTICE

The

letter

marked

the

oil

pipe

coupling

Fig.

must

always

the

top.

This

insure

that

the

oil

spoon,

attached

the

inner

end

the

coupling,

open

side up.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

NEEDLES

Needles

for

these machines

are

Class

and

Variety

62x53 in Sizes

12,

14,

16, 18,

21, 22,

and

23.

The size

the

needles

used

determined

the size

the

thread

which

must pass

freely

through

the

needle

eye.

Rough

uneven

thread,

thread

which

passes

with

difficulty

through

the

needle

eye,

will

interfere

with

correct

stitching.

Orders

for

needles

must

specify

the quantity

required,

the

size

number,

also

the

class

and

variety numbers

separated

the

letter

"X".

Following

example

intelligible

order:

"100

No.

21, 62 x 53

needles"

The best stitching results

will

obtained

with

needles

furnished

Singer

Sewing

Machine

Company.

SET

THE

NEEDLES

Insert the

needles

far

they

will

into

the

needle

clamr,,

with

rhe

single

continuous

groove

each

needle

toward

the

front

side

the

machine

!toward

the

operator),

then

securely

tighten

the set

screw

for

each

needle.

SINGER

Needles

should

used

SINGER

Machines.

These

Needles

and

their

Containers

are marked

with

the

Company's

Trade Mark "SIMANCO.*''

Needles

Containers

marked

"FOR

SINGER

MACHINES"

are

NOT

SINGER

mode

needles.

THREAD

THE

NEEDLES

AND

THE

THREAD

CARRYING

FINGER

See

Figs.

5, 6

and

Spool

A supplies the

thread

for

the

right-hand

needle.

Spool

for

the

center

needle.

Spool

for

the

left-hand

needle.

Spool

Dis

for

the

thread-

carrying

finger

The

course

each

thread

shown

detail

Figs.

5, 6,

and

Fig.

Threading

the

Needles

and

Thread-Carrying

Finger

Spools

and

Fare

for

the

loopers.

See

instructions

pages

and

l l

for

threading

the

loopers.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

fig.

Upper

Threading

Machine

fig.

Threading

Needle,

and

Thread-Carrying

finger

NOTE-Draw

about

two

inches

thread

through

each

needle

eye

and

the

eye

the

Thread-Carrying

Finger

with

which

commence

sewing.

THREAD

THE

LOOPERS

Spool

Fig.

for

the

rear

looper

Fig.

the

thread

for

which

passed

down

through

the

rear

hole

the

lifting

lever

Fig.

crnd

down

through

tension

Fig.

down

through

tlw

outside

hole

in th,,

upriqht

guide

Fig. 8,

then

forward

lhrouoh

the

slot

Fig. 8,

th,!

work

plote,

then

forward

and

over

guide

Fig.

through

guide

Fig.

through

under

thread

take-up

stripper

Fig.

through

the

rear

slot

threod

separotor

Fig.

under

the

tension

Fig.

and

forward

through

the

rear

looper

Fig.

\¥-_fl:~,._'-~~'-~""•::·:·

·11

-----=--

_(}\"'•"c~

=1=1

ff9~18

fig.

Threading

the

leapers-

Rear

Side

Machine

Spool

Fig.

for

the

front

looper

Fig.

the

thread

for

which

pa"ed

down

thrOU(Jh

the

front

hole

the

liftinq

lever

Fig. 8,

down

through

tcmion

Fig.

ond

down

throuqh

th,"

inside

hole

11,,,

upriqlit

guide

Fig. 8,

then

forward

through

the

slot

Fig. 8,

the

work

plate,

fig.

Threading

the

leapers-front

Side

Machine

then

forward

through

the

guide

Fig.

and

over

the

quide

Fig.

through

under

thread

take-up

stripper

Fig.

through

the

front

hole

thread

separator

Fig.

over

the

tension

Fig.

through

wire

guide

Fig.

and

forward

through

the

front

looper

Fig.

Draw

about

two

inches

thread

through

the Pye

eoch

looper

with

which

commence

scwi11q.

CAUTION~

Before commencing to sew, hold the covering

thread

the

left

the presser

foot

and

toward

the

rear

side

the machine,

for

the first

few

stitches to insure that the

thread-laying

finger

Fig.

catches the covering

thread.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

REGULATE

NEEDLE

THREAD

TENSIONS

See Fig. 10

Tensions

should

just

enough

set

the

stitches

properly

the

goods.

fig.

10. To

Regulate

Ne.-dle

Thread

Tension,

and

Tension on

Covering

Thread

Turn thumb nuts

downward

increase

the

tensions

upward

decrease

the

tensions.

REGULATE

TENSION

THE

COVERING

THREAD

Tension

for

the

covering

thread

regulated

loosening

screw

H2,

Fig.

11,

and

setting

the

controller

J2,

Fig.

11,

forward

(toward

the

operator)

··i

-1

...

Fig.

11.

Ta Regulate Covering Thread

Tension

backward

!away

from

the

operator).

When

adjustment

completed,

tighten-

screw

H2.

This

adjustment

conjunction

with

tension

regulation

means

thumb

nut

G2,

Fig.

10.

Turn

this thumb nut

downward

for

increased

tension,

upward

for

less

tension

the

covering

thread.

ADJUST

THREAD

SEPARATOR

After

loosening

screw

L2,

Fig.

10, the

thread

separator

K2,

Fig.

10,

orljustohlP

upward

downword

obtain

thP bPst

rPs11lts

with

various

kinds

and

thicknesses

thread.

Tighten

screw

after

adjustment

has

been

completed.

REGULATE

LOOPER

THREAD

TENSION

See Fig. 12

increase

the

tension

the

looper

threads,

turn

the

thumb

nuts

M2,

Fig.

12.

Regulate

Looper

Thread

Tension

and

Regulate

Pressure on

the

Material

the

rear

side

the

machine,

inward,

turn

these

thurnb nuts

outward

for

less

tension

the

looper

threads.

REGULATE

THE

PRESSURE

THE

MATERIAL

Turn

the

thumb

nut

N2,

Fig.

12,

downward

for

increased

pressure,

upward

for

less

pressure

the

material.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

REGULATE

STITCH

LENGTH

See

Fig.

loosen

the

two

clamping

scrPws

the

fped

eccPntric

thP

rotary

shaft,

and,

increase

the

length

stitch,

furn the

regulating

screw

Fig. 13.

Regulate Stitch

length

counter-clockwise

loutwordl,

furn the

r,'qulnfir1q

scre,v

,l()ckwise

linwordl

shorten

stitch

lenqth,

then

securely

fiqhff'n

fh0

two

clamping

screws

02.

Then sef the

needle

guard

instructed

page

24.

SET

THE

NEEDLE

THREAD

TAKE-UP

See Fig. 14

With

the

needle

bar

its

lowest

position,

the

needle

thread

fake-up

normally

sef

about¼

inch

from

the

fop

the

needle

bar,

indicated

Fig. 14. This

selling

may

varied

suit

sewing

conditions.

adjust,

Q / /._-/._ I I

-~~~///.""'

~£~~?"£·-

=-Yr

0".1

...----:

-:'."cecc-'

~@It\

,-~

L_,

___

Fig. 14. Setting

Needle

Thread Take-up

and

Adjusting Auxiliary Thread Toke-up

loosen

clamp

screw

and

set the take-1Jp as

required,

makin~i

certain

that

parallels

the

face

plate

the

machine,

then

tighten

screw

02.

ADJUST

AUXILIARY

THREAD

TAKE-UP

See Fig. 14

The

auxiliary

thread

take

should

set

fake

the

slock

the

needle

threads

after

the

looper

has shed

the

needle

loops

and

the

needle

bar

finishes its

downward

stroke

and

the

stitches

are

set.

change

the

position

the

auxiliary

thread

take-up,

loosen

screw

and

raise

lower

the

auxiliary

thread

take-up

required,

then

tighten

screw

R2.

For

some

threads

will

necessary

set the

auxiliary

thread

take-up

height

different

from

that

required

others,

owing

the

differences

finish,

twist,

elasticity,

etc.

GATHERING

FEED

CONTROL

See Fig. 15

The

adjustable

gathering

feed

controlled

means

the

actuatinsi

1,,v,•r

which

operated

either

foot

control

knee

control.

Fig. 15.

Gathering

Feed

Control

The

extent

gathering

feed

action

limited

setting

the

stop

screw

U2.

The

gathering

feed

mechanism

can

locked

for

continuous

gafherirHJ.

means

the

screw

W2.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

REMOVE

AND

REPLACE

THE

WORK

PLATE

See Fig. 16

Turn

the

balance

wheel

raise the

needle

bar

its

highest

position.

Remove

the

presser

foot,

throat

plate

and

the

needles.

Fig. 16. Removing the

Work

Plate

Remove the

nut

from

the

hinge

screw

stud

Z3,

the

back

end

the

movable

knife

lever

A4,

and

withdraw

the

hinge

screw

stud Z3.

remove

the

nut

from

the

upper

end

the

movable

knife

lever

connection,

then

remove

the

movable

knife

lever

with

the

knife

holder

and

movable

knife

F3,

attached

thereto.

remove

the

three

screws

which

fasten the

work

plate

the

mochine

and

remove

the

work

plate.

replace

the

work

plate,

reverse

the

foregoing

procedure,

and

adiust

the

movable

knife

instructed

poge

23.

INSTRUCTIONS

FOR

ADJUSTERS

and

MECHANICS

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