Singer 71K101 User manual

•

INSTRUCTIONS

FOR

USING

AND

ADJUSTING

SINGER

SEWING.

MACHINE

71K101

FOR

MAKING

STRAIGHT

BUTTONHOLES

WITH

SQUARE

BARRED

ENDS

From the library of: Superior Sewing Machine & Supply LLC

USE

SINGER*

OILS

and

LUBRICANTS

They

insure

freedom

from

lubricating

trouble

and give

longer life to sewing equipment

The

following

are ihe

correct

lubricants

for

this

machine:

TYPE

B —

MANUFAaURING

MACHINE

OIL,

HEAVY

GRADE

When

an oil is

desired

which

will

produce

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

sewing

machines

for

stitching

fabrics

leather

where

thread

lubricant

required.

TYPE

F -

MOTOR

OIL

For oil lubricated motors and plain bearings in

power

tables

and

transmitters.

NOTE;

All of the

above

oils

ore

available in 1 quart,

1gallon

and

5gallon cans.

GEAR

LUBRICANT

This

specially

prepared grease

recommended

for gear

lubrication on manufacturing sewing machines.

BALL BEARING LUBRICANT

This

pure

0'rease

specially

designed

for the

lubrication

ball

bearings

and

ball

thrust

bearings

motors

and

electric

transmitters,

ball bearing hangers of power tables,

etc.

Furnished In 1 lb.

and

lb.

tins.

From the library of: Superior Sewing Machine & Supply LLC

Form

K6441

(861)

INSTRUCTIONS

FOR

USING

AND

ADJUSTING

SINGER

SEWING MACHINE

7IkI0I

HIGH

SPEED

GEAR

DRIVEN

FEED

THE

SINGER

MANUFACTURING

COMPANY

Trademark

of THESINGER

MANUFACTURING

COMPANY

Printed

U.S.A.

From the library of: Superior Sewing Machine & Supply LLC

under

international

Union

From the library of: Superior Sewing Machine & Supply LLC

DESCRIPTION

Machine

71k101

is designed for making

straight

buttonholes

in cotton, linen,

rayon

and

silk fabrics,

knit

goods,etc.

This

machine has a positive,

gear

driven,

intermittent

feed

which

controls

the

movement

the

work

clamp

that

the

stitches

are

uniformly spaced around

the

buttonhole under all

conditions.

By simply changing the stitch regulating gear,

the

number

stitches

the

buttonhole

can

varied,

desired.

(See

list

of stitch regfulating

gears

on page 16.)

The

stop

motion mechanism of

this

machine includes a

pair

gears

having

ratio

of 2 to 1 for

reducing

the

speed of

the

stop

cam

one-half

the

speed of

the

-sewing shaft.

The

stop

cam

has

two

stop

notches located diametrically opposite each

other

that

when

the

stop

motion

mechanism is engaged,

the

stop cam

turns

only a

part

of a revolution before

the

interlocking

rod

drops

into

one of

the

notches

stop

the

machine. Asingle,

extra

long spiral

spring

the

stop cam

gear

helps the machine

stop

without

shock.

Machine

71k101

makes

purl

stitch

buttonholes

with

square

barred

ends,

the

hole

being

cut

from f to f inch long.

Both

threads

and

the

buttonhole

are

cut

after

stitching.

Buttonholes

inch

long

can

also

made

this

machine

using

Clamp

Check

Complete

249758,

Clamp

Check

Holder

271946,

Fibre

Washer

40045

and

knife

the

required

length.

These

parts

will

be furnished, on

order,

in place of

the

regular

equipment,

they

can

be supplied additionally

extra

charge.

Unless

otherwise

ordered,

the

71k101

machine

will

sent

out

fitted

with

a f inch knife

and

three

additional

knives for §, ^

and

inch

buttonholes.

Whip

Stitch

Buttonholes

can

produced

above

machine

substituting

the

following

parts

in place

similar

parts

the

machine;

249633

Shuttle

Bobbin

Case complete

40028

Shuttle

Body

Stitch

Regulating

Gears for

Whip

Stitch

For

Machine

7IK10I

249682

Teeth

249725

249727

249744

For

other

gears

and

specifications see

page

16.

From the library of: Superior Sewing Machine & Supply LLC

Speed

The

maximum

speed recommended is 2000

stitches

per

minute.

When

the

machines

are

operation,

the

tight

machine

pulley

should

turn

over

the

left

indicated

the

arrow

Fig.

Set

Machines

SINGER* Universal

Power

Tables

The

machine

usually

set

that

its

face

plate

toward

the

edge of

the

table

nearest

the

operator,

about

midway

between

the

leg

sections.

rront

Pd<j<!

Table

Fig.

Underside

Power

Table,

showing

Belt

and

Chain

Guides

for

Low

Shaft

Drive

One

hole

should

bored

for

the

chain

connect

with

the

lever

( B,

Fig.

and

another

hole

for

the

chain

connect

with

the

starting

lever

(D2,

Fig.

6).

There

are four treadle chain pulleys (C, H, J and K, Fig. 2).

each consisting of a

bracket

and

asingle pulley.

Fasten

one of

these

pulleys

{K, Fig-. 2)

the

underside

the

table

directly

below

the

clamp

lifting

lever

(B,

Fig. 5)

and

line

with

the

chain

adjusting

slide

the

left

hand

treadle.

Fasten

the

second

pulley

(II)

the

underside

the

table

directly

over

the

chain

acljnsting^ slide

and

in line with

the

first pulley

(K).

Fasten

the

1)iillc\- {(1. Fig. 2) to

the

underside

the

table

direct))'

below

the

starting

lever (D2, I-'ig. 6)

and

in line with

the

chain

adjusting

slide on

the

right

hand

treadle, l-^asten

the

fourth pulle)' (J. Fig.

2) to

the

underside of

the

table

directly

over

the

cliain

adjusting

slide on

the

rigiit

hand

treadle

and

in line with

the

pulley ((1).

Bass one chain from the left treadle

straight

up and over the

pulley

(II)

and

under

the pulley

(K),

then

through

the

hole

From the library of: Superior Sewing Machine & Supply LLC

in the table and fasten to the clamp lifting lever (B, Fig. 5).

Pass the second chain from the

right

treadle

straight

up and over

the

pulley

(J)

and

under

the

pulley

(G),

then

through

the

hole in the table and fasten to the

starting

lever (D2,

Fig.

6).

the

machine

driven

by a

pulley

mounted

either

a floor

table

shaft

the

rear

of the idler

bracket

complete

(L),

the

idlers

and

idler

arm

should be assembled

with

the

pulleys

mounted

the

two

holes

the

arm

farthest

from

the

vertical

rod

hole, as

shown

Fig.

Should

it be

necessary

drive

the

machine from a

shaft

lying

between

the

rear

the

machine

and

the

front

the

table,

the

two

pulleys should be assembled

with

the

pulleys

mounted

the

holes of

the

arms

nearest

the

vertical

rod

hole, as

shown

Fig.

Two

belt

holes (O,

Fig.

should

bored

the

table

directly

below

the

tight

machine

pulley

according

the

location

shown

the

blueprint

furnished

with

the

machine

and

the

belt

idler

(L, Fig. 2)

mounted

the

underside of

the

table

directly

below

these

two

holes

(O).

The

belt

should he applied

around

the

pulley

the

shaft,

around

the

idlers, up

through

the

holes

(O)

the

table

and

around

the

machine pulley as

instructed

page

19.

Set

Machines

Universal

Power

Tables

with

SINGER*

Electric

Motor

The

foregoing

instructions

should be followed

with

the

ception

that

the

belt

idlers

(L,

Fig.

3")

and

arms

must

assem-

From the library of: Superior Sewing Machine & Supply LLC

hied

illustrated

Fig.

The

belt

should

applied

around

the

pulley of

motor,

around

the

idlers, up

through

the

holes (O,

Fig.

3) in

the

table

and

around

the

machine

pulley

instructed

page

19.

Machines

Run

Pairs

When

machines

are

run

pairs

and

driven from a

table

floor

shaft,

they

must

have

belt

and

belt

idlers

installed

the

same

two

individual machines

and

the

chain pulleys

mounted

cording

the

blueprint

furnished

with

the

machine.

install

one

motor

for

driving

two

machines

run

pairs,

the

motor

should

mounted

directly

below

the

centre

line

tween

the

two

machines

with

the

tight

machine

pulley

towards

the

front

the

table

illustrated

in Fig. 4.

The

belt idler pulleys

fR.

Fig.

must

mounted

their

arms

(S)

illustrated

Fig. 4

and

the

chain pulleys

mounted

according to

the

blueprint

furnished

with

the

machine.

When

individual

motors

are

used

for

each

machine

pairs,

there

are

belt

idlers

used

under

the

table and the motors

are

set directly below the machine pulley

and

the

same angles

that

each machine is set

with

respect

the

table.

For

applying

belt

see

instructions

page

19.

Fig.

Underside

Table,

Showing

Location

Idlers,

Treadle

Chain

Guides

and

SINGER

Electric

Transmitter

Motor

for

Class

Machines

when

Operated

Pairs

From the library of: Superior Sewing Machine & Supply LLC

Oil

the

Machine

Use

'TYPE

OIL,

sold by

Singer

Sewing

Machine Company.

For

description of

these

oils, see inside

front

cover

this

book.

When

the

machine is received from

the

factory, it should be

thoroughly cleaned and oiled. Oil should be applied at each of

Fig.

Oiling

Points

the

Right

the

Machine

Also

Adjustments

the

Machine

the places designated by the unmarked arrows in Figs. 5. 6. 7. 21

and

26-

When

the

machine

is in

continuous

use,

should

oiled

regularlv

ensure

easy

running

and

prevent

unnecessary

wear

the

parts

which

are

movable

contact.

It is

important

to use

either

of the above heavy grades of oil

for

the

feed gears

and

stop motion mechanism in

the

rear

the

machine.

Fig.

Oiling

Points

the

Base

the

Machine

Also

Adjustments

the

Machine

From the library of: Superior Sewing Machine & Supply LLC

reach

the

parts

underneath

the

bed plate,

throw

the

belt

off

the

machine

pulley,

disconnect

the

starting

and

clamp

lifting

chains,

then

turn

the

machine

over

its

hinges.

Occasionally remove

the

screw

(G, Fig. 7) from

the

loose

pulley

and

apply

small

quantity

BALL

BEARING

LUBRI

CANT

the

ball

bearing

the

pulley

through

the

tapped

hole,

using

BALL

BEARING

LUBRICANT

sold by

Singer

Sewing

Machine

Company,

then

replace

the

screw

(G).

Oil

the

shuttle

bearing

the

places indicated by

the

unlettered

arrows

in Fig. 21,

Page

23,

once

each

day.

Fig.

Oiling

Points

the

Left

the

Machine

Also

Adjustments

the

Machine

Needles

for

Machines

71k101

are

Catalogue

1526

(71xl)and

are

made

sizes

9, 11, 13, 14, 16, 17, 18, 19, 21

and

22.

The

size of

the

needle to be used should be

determined

the size of the thread which must pass freely through the eye of

the

needle. If

rough

uneven

thread

is used,

if it passes

with

difficulty

through

the

eye of

the

needle,

the

successful use

the

machine

will

interfered

with.

Orders

for needles

must

specify

the

quantity

required,

the

size

number,

and

also

the

catalogue

number.

The

following is an

example

of an intelligible

order:

'TOO

No.

16,

Catalogue

1526

Needles."

The best stitching results will be obtained when using needles

sold by Singer Sewing Machine Company.

From the library of: Superior Sewing Machine & Supply LLC

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