Singer 72W19 Manual de usuario

Form

1825w

Rev.

(548)

INSTRUCTIONS

FOR

USING

SINGER

SEWING

MACHINE

72wl9

HEMSTITCH

t/?

THE

SINGER

MANUFACTURING

COMPANY

Printed

in U. S. A.

From the library of: Superior Sewing Machine & Supply LLC

USE

SINGER"

OILS

and

LUBRICANTS

They insure

freedom

from

lubricofing trouble and give

longer life to sev/ing equipment

The

followir)g

are the correct

lubricants

for this

machine:

type

B —

MANUFACTURING

MACHINE

OIL,

HEAVY

GRADE

When an oil is desired

which

will

produce a

minimum

stain on fabrics, even after a long period of storage, use:

TYPE

D —

MANUFACTURING

MACHINE

OIL,

HEAVY

GRADE

OTHER

SINGER

LUBRICANTS

TYPE

E—THREAD

LUBRICANT

For lubricating the needle thread of sewing

machines

for

stitching fabrics or leather where a thread lubricant is

required.

TYPE

F -

MOTOR

OIL

For oil

lubricated

motors

and

plain

bearings

power

tables

and

transmitters.

NOTE: All of

the

above

oils

are

available

in 1

quart,

1gallon

and

5gallon cans.

GEAR

LUBRICANT

This

specially prepored grease is recommended for

gear

lubrication on manufacturing sewing machines.

BALL

BEARING

LUBRICANT

This pure

grease

is specially designed for the lubrication

of ball bearings and ball thrust bearings of motors and

electric transmitters, ball bearing hangers of

power

tobies,

etc.

Furnished

In 1

lb.

and

lb.

tins.

From the library of: Superior Sewing Machine & Supply LLC

1825w

INSTRUCTIONS

FOR

USING

SINGER

SEWING

MACHINE

Machine

72wl9

No.

72wl9

HEMSTITCH

TRADE

MARK

THE

SINGER

MANUFACTURING

COMPANY

From the library of: Superior Sewing Machine & Supply LLC

ALL

WHOM

A\AY

CONCERN:

The

improper

placing

renewal

of the Trade

Mark

"SINGER" or

any

other

the

Trade

Marks

The

Singer

Manufacturing

Company

(all

which

ore

duly

Registered

Trade

Marks)

any

machine

that

hasbeen repaired,

rebuilt,

reconditioned, or altered

any way whatsoever

outside

SINGER

factory or an authorized

SINGER

agency isforbidden.

THE

IMPORTANCE

USING

SINGER*

PARTS

AND

NEEDLES

SINGER

MACHINES

The

successful

operation of

SINGER

machines

can

only

assured

SINGER

parts and

needles

are

used.

Supplies

are available at all

SINGER

Shops

forthe

Manufacturing

Trade,

and

mail

orders

will

receive

prompt attention.

SINGER

Needles

should be used

SINGER

Machines.

These

Needles

and

iheir

Containers

are

marked

with

the

Company's

Trade

Mark

"SIMANCO.""

Needles

Containers

marked

"FOR

SINGER

AAACHINES"

are

NOT

SINGER

made

needles.

Cop/righf,

A.,

1922,1923,1925,1931 and 1933by

The Singer Manufacturing Company

All

RighU

Reserved for All Countries

From the library of: Superior Sewing Machine & Supply LLC

DESCRIPTION

Hemstitch Machine 72wl9 is known as of straight-away feed

construction and has piercers and double needle actuating

device.

The stitch is known as the overedge hemstitch, having each

side of the opening overseamed.

The

piercer divides the cross

threads

and

the

stitches

collect

and

hold

them

the

form

bars

or spokes, leaving

the

clear openings in hemstitch

work

for which

this

machine

famous.

Machine

72wl9

is fitted for straight-away two needle hem

stitch work, having ^ inch openings.

has an independent

piercer driving mechanism, and a detachable auxiliary piercer,

the function of which is to perforate closelywoven, stiff or heavy

material in advance of the needles, which work more freely and

with less spring in such material than when the auxiliary is not

used. While the auxiliary piercer is often used in the production

of "imitation drawn work," it is not required for material previ

ously drawn. For ornamental stitching on Shirt Waists, Neckties,

Underwear,

etc.

From the library of: Superior Sewing Machine & Supply LLC

The

number before the hyphen or letter designates the Class

to which the machine belongs, and the number after,

the

Variety

the

machine

its

Class.

When

supplies for a machine

are

to be

ordered

and

there

is any uncertainty as to the correct numbers of needles or parts,

the Class

and

Variety

numbers of

the

machine, as shown on the

number plate, should be given to ensure a correct understanding

the

order.

THREAD

Fine

thread should

always

be used.

recommend Nos.

120

150

cotton

thread.

SPEED

The

maximum speed recommended for Machine No.

72wl9

1300

stitches

per

minute.

Run

the

machine

somewhat

slower

than this at first and after the parts have

become

thoroughly

glazed by their action, increase

the

speed to the maximum stated.

NEEDLES

Needles

for

Machine

No.

72wl9 are of

Class

and Variety

130x3

(usually

sizes

10,

12'and

14).

The

needle which is best adapted for the work

that

the

machineis fitted to do is set in the machine at the factory.

The size number of the needle is marked upon its shank.

The

Sizes.

The

size

to be

used

should

be determined by

the size of the thread

which

must pass

freely

through the

eye.

rough

uneven

thread is

used,

or if it

passes

with

difficulty

through

the

eye of

the

needle,

the

successful use of

the

machine

will

seriously

interfered

with.

Orders for

needles

must

specify

the quantity required, the

size,

alsothe classand variety

numbers,

separated by x.

The following are details of an intelligible order:

'TOO

No.

12—130x3

Needles."

From the library of: Superior Sewing Machine & Supply LLC

Fig. 2. Machine 72wl9.

Phantom

view, showing places to oil

and

reference

letters.

a—Thumb

Nuts,

adjustable

for

width

needle

vibration,

b—Needle

Vibrating

Cam

and

Gear

Segment

Lever

Connections,

c—Arm

Shaft

Connections,

d—Arm

Shaft.

e—Needle

Vibrating

Cam

and

Gear

teeth,

f—Arm

Shaft

Bushing

(back),

g—Needle

Vibrating

Cam

and

Gear

Stud.

h—Arm

Plate

(not

shown).

1—Needle

Vibrating

Cam

and

Gear

Driving

Gear.

teeth,

ik—Piercer

Driving

Eccentric,

justable

for

earlier

lat

puncture

the

piercer.

J—Needle

Vibrating

Cam

and

Gear

Segment

Lever

Connection

Links,

k—Arm

Shaft

Bushing

(front).

1—Take-up

Cam.

o—Needle

Bar.

p—Needle

Bar

Connecting

Stud,

adjustable

for

height

needle

bar.

r—Presser

Bar

Spring,

u—Feed

Driving

Rock

ShaftCrank.

V—Feed

Lifting

Cam.

w—Feed

Driving

Rock

Shaft.

X—Hook

Counter

Shaft,

y—Hook

Bevel

Pinion

(left),

teeth.

yy—Hook

Bevel

Pinion

(right),

teeth.

aa—Hook

Saddle

(right),

aaa—Hook

Saddle

(left),

bb—Hook

Saddle

Screw,

cc—Feed

Driving

Cam

and

Gear

Shaft

Bracket,

dd—Feed

Lifting

Rock

Shaft

and

Crank,

adjustable

for

height

feed

dog.

ee—Feed

Bar.

ff—Hook

Driving

Shaft,

gg—Hook

Counter

Shaft

Driving

Gear,

teeth,

hh—Hook

Counter

Shaft

Gear,

teeth.

ii—Feed

Driving

Cam

and

Gear

Driving

Gear,

teeth,

jj—Feed

Driving

Cam

and

Gear,

teeth.

kk—Feed

Driving

Segment

Lever

Crank.

11—Feed

Driving

Segment

Lever,

mm—Feed

Driving

Rock

Shaft

Con

nection.

nn—Feed

Driving

Segment

Lever

Clamp.

00—Hook

Driving

Shaft

Bearing,

pp—Feed

Regulating

Handle,

qq—Feed

Regulating

Handle

Shaft

Crank

Link,

rr—Feed

Regulating

Handle

Shaft

Crank.

XX—Hook

Bevel

Gear

Socket

(right),

teeth.

XXX—Hook

Bevel

Gear

Socket

(left),

teeth.

From the library of: Superior Sewing Machine & Supply LLC

OIL

THE

MACHINE

Use

"TYPE

OIL

sold

only

Singer

Sewing

Machine

Company.

For

description

of oils, see inside of

front

cover. Oil

should

be regularly used on

any

surface

metal

which

comes

movable

contact

with

another

surface.

is necessary for

the

easy

running

the

machine,

that

all

bearings be oiled.

The

hook

especially

should

have

the

attention

the

operator,

as a

drop

of oil

occasionally

the

bobbin

case

base

flange

prevents

excessive friction in

the

hook

race

and

assists

making

the

opening

between

the

stop

the

bobbin

case

and

that

the

throat

plate;

thus,

preventing

the

upper

thread

from breaking.

SET

THE

NEEDLES

Turn

the balance wheel

toward

you, to raise

the

needle

bar

its

highest

position;

hold

the

needle

with

the

flat

side

the

shank

toward

the

other

needle (or

center),

push it up in

the

needle holder as far as it can go and tighten the pinch screw.

Care must be taken to set the needles so that they will swing

freely, with their points completely housed, into the grooves of

the piercer on the inside vibration, to assure clear openings.

-tii

From the library of: Superior Sewing Machine & Supply LLC

Fig.

Machine

No.

72 w 19

THREAD

THE

NEEDLES

Lead the thread from the back spool through the lower hole

in the post thread guide, through the eye of the thread guide

(back),

under

the

thread

retainer

guide

wire,

between

the

thread

retainer

and

tension discs

(back),

down

under

inside

thread

controller, up

through

the

upper

hole in

the

take-up lever, down

through

the

inside

guides

the

inside needle,

and

thread

the

inside needle from left to right.

From the library of: Superior Sewing Machine & Supply LLC

Lead

the

thread

from

the

front

spool

through

the

upper

hole

in the post thread guide, through the eye of the thread guide

(front), under the thread retainer guide wire, between the thread

retainer

and

tension

discs

(front),

down

under

outside

thread

controller, up through the lower hole in the take-up lever, down

through the outside guides to the outside needle, and thread the

outside

needle

from

right

to left.

Hook

and

Bobbin

Case

REMOVE

THE

BOBBIN

Draw

back

the

slides

the

bed

uncover

the

hooks;

turn

the

balance

wheel

toward

you

until

the

notch

the

side

the

bobbin

case

cap

accessible;

lift

out

the

bobbin

case

cap

placing

your

thumb

nail in

the

notch

and

remove

the

bobbin.

Fig.

Bobbin—Bobbin

Case

Cap

Fig.

Bobbin

Case

Cap

Threaded

? a {

\ 0 S

Fig.

Bobbin

Case

Cap

Parts

From the library of: Superior Sewing Machine & Supply LLC

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