Union Special 57700B User Manual

STYLE

577008

INDUSTRIAL
SEWING

MACHINES

CL

ASS

ADVANCED

TALOG

No.

131L

FIFTY

DIFFERENTIAL

FLAT

THOUSAND

BED

UNION SPECIAL

C H I C

57700

HIGH

MACHINES

CORPORATION

AGO

SPEED
SERIES

FEED

(Supplement

Catalog

to

INSTRUCTIONS

No.

Catalog

FOR

131

L

No.

131

M)

ADJUSTING

LIST

CLASS

First

AND

OF

Style

57700

Edition

OPERATING

PARTS

57700

B

Copyright

by

Union

Rights

Special

Reserved

UNION SPECIAL

INDUSTRIAL

Printed

SEWING

CHIC

in

2

1971

Corporation

in

All

CORPORATIO

MACHINES

A

GO

U.S.

A.

Countries

N

May,

1979

IDENTIFICATION

OF

MACHINES

Each

on

the

machine.

numbers

••style
changes
number.

which

57700".

junction
are
number
part.
description
number
when

Advanced

Medium
Needle
Lubricating
and
Lateral
Guard.
Rotary

have

57700

are

Styles

differs

This

therewith.

illustrated.

and

Any

in

ordering

Throw,

Bar

Bronze

Looper

Prepared

Thread

UNION

Style

one
B".
made

Example:

of

machines

from

catalog

At

on

the

part

the

High

that

under

second
repair

Speed,

Needle

Driving
System,
Bearings

Travel,

Tensions,

SPECIAL

numbers

or

more

Special

in a standard

"Style

the

Style

is a supplement

Only
the

opposite

is a component

the

description

column,

parts.

Two

Mechanism,

Filtered

for

for

use

machine

are

letters

Style

57700

similar

number,

APPLICATION

the

parts

back

Bearing

are

page,

never

STYLE

Needle,

Oil

Feed

Single

with

Maximum

Bar

Disc

Knee

is

identified

classified
suffixed,
numbers

machine,

BZ".

in

construction

in

that

to

Catalog

found

illustrations

the

part

of

of

the

assembly

use

OF

One

Looper,

Needle

Single
Return

and

Take-up,

Press

Work

as

but

never

contain

a

"Z"

it

contains

OF

CATALOG

No.

on

Style

numbers

another

the

reference

MACHINE

Bar

Drive,

Reservoir,
Pumps
Feed

Space

for

for

Rocker

Large
Presser

to

by a Style

standard

contain

the

letter

is

suffixed

are

grouped

no

131 M

57700 B but

identifying

part

or

Differential

Head

Right

and

and

is

base

number

Light

Enclosed

Shafts,

Handwheel

Foot

of

number

and

special.

the

letter

"Z".

to

the

under a Class

letters.

should

not

the

parts
descriptions
indicated

part.

and

Needle

Always

Feed

Weight

Positive

Base,

Greased

Lifter,

in

Flat

Presser

and

Bar

on a name

Standard
"Z".

When

Example:

on

by

the

Needle

only

Standard

be

used

Style

by

reference

identifies

indenting

use

first

Bed

Machine,

Automatic

and
Improved
Equipped

8 1 f 4

plate
Style

Example

minor

Style

number

"Class

in

con-

57700

the

its

the

part

column

Bar

and

Bearings

Sealed

Belt

with

Inches

:

L

.

.

57700 B Offset

perpendicular

similar
gauge
Maximum

Each

denotes
number,
in

thousandths

size

number

packaged

The

is

Type

needle.
Type
121

No.

GS

No.

UNIONSPECIALneedle

the

kind

stamped

represent

and

standard

121 GS.

differential

to

the

operations

12

only.

recommended

of

shank,

on

the

of

an

inch,

the

sold

by

Union

recommended

Below

Round
chromiumplated­080/032, 090/036,

feed
wale
on

medium

Seam

point,

needle

midway
complete

Special.

is

the

shank,

machine

or

parallel

to

specification

speed

description

6000

has

length,

shank,

between

symbol,

needle

round

NEEDLES

both a type

for

attaching

with

the

wale

medium

R.

P.M.

groove,

denotes

shank

which

for

and

Description

point,

availableinsizes

100/040, 110/044,

heavy

406-BSb-1.

and

finish

largest

and

is

the

machine

sizes

short,

size

eye.

given

available

and

double

long

length

to

knitted

weight

Type

number.

and

other

diameter

Collectively,

on

the

covered

Sizes

groove,

065/025, 070/027,

125/049,

rib

knit
undergarments
material.

121 GS

The

details.

of

blade,

label

of

of

by

the

recommended

struck

140/054.

strip

Standard

needle.

type

The

measured

the

type

all

this

groove,

075/029,

cut

and

number

size

and

needles

catalog

3

To

have
sample
on

label. A complete

needle,

needle

or

orders

the

order

type

NEEDLES

promptly

and

would

size

read:

(Continued)

and

number

"1000

accurately

should

needles,

filled,

be

forwarded.

Type

an

empty

121 GS,

Use

Size

package,

description

080/032".

a

Selection

should

Success

use

of

needles

a

reputation

more

than

of

pass

freely

in

packaged

for

producing

three-quarters

proper

through

the

operation

needle

size

needle

of

under

our

highest

of a century.

is

determined

eye

UNION

brand

quality

in

order

SPECIAL

name,

needles

by

the

size

to

produce a good

machines

~®

in

materials

of

can

and

thread

used.

stitch

be

secured

,

which

workmanship

Thread

formation.

only

is

backed

by
by

for

4

FILL

MAIN

RESERVOIR

HERE

THREAD

2

1/4

WRAPPED

TURNS

CLOCKWISE

AROUND

CAUTION!

FILL
BEFORE
MACHINE
BEFORE

Thread

The
before
until

needle
viscosity
and

add

and

no

Excessive

left

of

the

THREADING
machine

oil

has

starting

of

of

90

oil

when

oiling

oil

been

to

oil

gauge

to

needle

other

oil

gauge.

operate.
125

than

in

as

indicated.

drained

is

seconds

is

keeping

the

main

AND

To

in

in

yellow

OILING

from

fill

machine

yellow

at

100

band

the

reservoir

DIAGRAM

The

looper

the

machine

baBd

Fahrenheit.

marked

main

may

with

marked

reservoir

be

FOR

threading

before

oil,

remove

"FULL".

Maintain

''LOW".

filled

drained

STYLE

has

been

shipping

plug

Use a straight

The

machine

is

necessary.

at

the

plug

5

ALL

57700

and

oil

OIL

RESERVOIRS

STARTING.

HAS

BEEN

SHIPPING.

B MACHINES

enlarged

the

reservoir

screw

level

screw

in

mineral

in

is

automatically

in

DRAINED

for

clarity.

must

top

cover

oil

"OPERATE"

the

main

frame

be

filled

and

add

oil

of a Saybolt

position

lubricated

to

the

INSTRUCTIONS

LUBRICATION

FOR

MECHANICS

CAUTION!

reservoir
before
the

beginning

oil

to

Use a straight

Fahrenheit
No.

17

5.

Fill

and

check

band

marked

CAUTION!

It

is

an

extended

and

directly

further

hand

distribute

Oil

may

located
NOTE:

below

Looper
assembling
spot

screw

Oil

has

been

must

the

be

to

various

filled

operate.

parts.

mineral

in

the

main

main

oil

level

reservoir

at

"Full".

It

is

important

recommended

period

oil

oil

be

oiling

to

the

be

the

needle

will

the

various

drained

cloth

avoid
be
is

sure

in

oil

timespot.

drained

to

Full

reservoir.

gauge

Oil

should

that a new

lubricated

be

from

plate

and

feed

holes

the

Run

from

proper

machine

speed

the

operation

RECOMMENDED

oil

of a Saybolt

This

at

plug

screw

(B).

Oil

is

at

be

added

that

these

as

bar

link

required.

when

machines

machine~

follows:

and

Run

parts.

at

in

main

lift

the

reservoir

front

eccentrics

eccentric

of

the

main

level

slowly

viscosity

is

equivalent

in

upper

maximum

needle

or

Remove

the

needle

machine

machine.

receive

lines

reservoir

as

indicated

can

OIL

not

one

by

for

several

then

be

of

90

to

Union

crank

level

is

in

yellow

be

over

that

has

the

bar.

Replace

slowly

removing

oil

thru

up

with

oil

before
on

oil
minutes

expected

to

125

Special

chamber

when

band

filled.

been

head

for

cover,

several

plug

the

holes

shipment,1 so

gaug

e

(A

to

distribute

without

seconds

specification

cover

needle

(A,

is

marked

out

of

service

clean

head

cover

minutes

screw

(C,

mainshaft,

in

mainshaft

~

Fig.

damage

at

100°

Fig.

in

yellow

"Low".

out

as

Fig.

so

when
when

the

1)

.

2)

for

lint

no

to

2)

OIL

GAUGE
The

the

proper
adjustment
following

1.

2.

3.

4.
located

5.
with
press

6.
left

rests

oil

gauge

oil

level

become

steps

Place
table

should

the

or

Remove
(C,

Fig.

drain
Make

oil

sure

reservoir.
Remove

Fill

main

the

shaft

Loosen
screw

(F),

or

in

marked

is

set

in

the

necessary,

be

machine

bench.
the

oil

2)

and

from

all

oil

lower
at

the

reservoir

bottom

bushing

lock

nut

and

right

the

until

middle

"LOW".

at

the

reservoir.
followed:

upright

reservoir

tip

machine

the

reservoir.

is

drained

crank

back

contour

(D,

(E)

turn

the

the

of

factory

Should

however,

on a level

plug

forward

from

chamber
of

the

machine

to a level

of

the

Fig.

on

2).

calibrating

screw

gauge

the

yellow

to

show

screw

main

cover,

even
knee

to

needle

band

an

the

to

•

the

7.

8.

Tighten
screw

Add
middle

oil

lock

(C).

so

of

that

the

nut

gauge

yellow

(E)

and

needle

band

replace

rests

marked

plug

in

the

"FULL".

6

Fig.

2

NEEDLE

LEVER

BEARING

OILER

height,

Insert
holder
Now

assemble

the

throat
located
test

plate
the

shoulder

the

needle

Fig.

using

the

test

and

test

plate

properly

and

the

of

is

at

3

proper

pin

No. 699 L

pin

test

attaching

if

the

height

the

its

lowest

test

No. 699
plate

No. 698

test

of

test

pins

pins

in

the

R-12

in

BB-12

screws.

pins

align

the

needle

rest

position.

Remove

chamber

needle

inside

chamber

lever

and

that

wall

of
notch
not

allow

Allow

Align

and

test

left

seat

the

right

to
The
with
bar

on

the

cover

lever

the

arm

cover,

stud

(B).

its

delivery

the

bed

of

the

the

1/64

inch

ALIGNING

the

plate

of

the

needle
machine
needle

the

holes

is

correct

test

plate,

the

(G,

bearing

casting,

Make

casting

needle

oiler

clearance

needle

of

the

needle

seat.

using

bar

in

when
when

head

Fig.

which

sure

end

lever

to

rest

THE

bar

right

is

the

cover

2).

oiler

below

lubricates

it

(C)

at

the

shaft
as

NEEDLE

(A,

gauge.

and

Check

(A,

is

tilted

contacts

back,

on

the

in

Fig.

Fig.

the

stop

needle

Fig.

upper

position

3)

located

upper

the

needle

downwardly

the

inside

just

above

collar.

lever).

3.

BAR

4)

and

set

crank

of

crank

the

(Do

to

If

test

plate

new

set

of

needles

the

needle

of

throat
clamp
clamp

bar

plate.

screw

screw.

(B,

SYNCHRONIZING

Insert
wheel
(A,

Fig.

of

right
needle
wheel
moves
right
eye

• 005

needle.

of

inch
looper
looper
opposite

Moving
follows:
stud

to
stud,
cloth
on

is

plate,

the

Then,

lever

rocker

shaft,

the

in

operating

5),
needle

with

in

the

to

the

the

needle

is

is

greatest

drive

direction

Loosen

rear

all

looper
using

using

moving

respect
reverse

If

allowable.

of
(away

that

oil

drive

the

shaft

screw

and

(Type

so

the

To

Fig.

looper

direction

(B).

left,

the

and
motions

with

when

shaft

acts

the

looper

the

from

is

required.

reservoir

lever

looper

and

(B,

test

pins

are

and

Size

needles

align

4)

and

LOOPER

in

the

center

needle

turn

AND

looper

until

to

the

left

Note

to

direction

the

is

the
looper

until

even

synchronize,

respect

If

the

the

to

distance

pulley

synchronizing

the

reverse.

drive

clamp

screw

operator), a light

To

top

cover

rocker

drive

its

Fig.

lever

synchronizing

6).

not
as

bar,

bar

NEEDLE

rocker

the

is

even

height

point,

the

with

the

is

stud

lever

(B,

move

and

shaft,

to

available,

required)

in

the

loosen

as

required.

and

point

with

of

the

then

looper

the

left
the

looper

from
turned

(A,

shaft

Fig.

6)
tap

stud

oil

toward

take

up

stud,

insert

and

align

needle

needle

holes

bar

Tighten

MOTIONS

turn

hand-

of

the

looper

the

left

side

eye

of

the

turn

hand-

point

side

height

point

the

in

Fig.

again

of

of

will

eye

the

6)

the

the

of

the

operating

to

synchronizing

of

the

looper

with a small
forward
reservoir

the

the

tighten

(toward

back

operator,

end

play

the

a

be

the

needle

the

stud

drive

hammer,

between

looper

Fig.

same.

to

direction,

rear.

Moving

is

accomplished

lever

operator),

cover,

is

then, a light

all

that

the

drive

4

A

variation

the

point

move

(C).

directly

remove

is

required.

looper

lever

it

To

of

the
the

in

the

move

on

the
the
tap

drive

on

the

of

as

7

SYNCHRONIZING

LOOPER

AND

NEEDLE

MOTIONS

(Continued)

With

end

of

its

the

center
necting
21227 CX.

place

The
against
rocker
essary,

6)
(C)

If

checked

between

rocker

looper

(Fig.
right

is

hole

left

cone

loosen

and

reposition

as

required.

gauge

cone

lever

6),

end

Insert a new

in

vertical

the

travel,

line

rod

Remove

in
end
the

is

not

with

the

when
of

its

looper

check

of

the

bearing,

gauge

of

the
right
(D).

If

the

clamp

the

Tighten

available,

a

scale.

center

and

the

stud

should

looper

travel.

needle

position

at

the

extreme

the

right

using
nut
over
gauge
side

adjustment

looper

line

center

is

looper

(C,

Fig.

threaded

should

of

screw

clamp
setting

The

of

be 4 1/16

at

the

in

the

Fig.

and

right

location

con-

gauge

5)
stud

locate

the

looper

is

nec

(B,

Fig

drive

the
line

SETTING

does

lever

screw.

can

distance

looper

of

inches

extreme

right

6

not

of

No.

and

.

­.

be

the

THE

needle

bind

LOOPER

seat,

type

after

Fig.

and

size

looper
inch,
the
so
center
(E)
looper

when

farthest
right.
21225-7/32
advantageously
ing

adjustment
loosen
left
(G)

. (H),

rod
to
dimension.
both
and
sure

adjustment.

5

as

specified.

gauge

for

looper

the

distance

of

to

the

the

Looper

this

nut

hand

on

turn

forward

obtain

nuts,

then

the

is

example,

(D,

Fig.

from

the

right

point

is

looper

position

can

adjustment.

is

(F)

thread)

connecting

the

or

the

Retighten

first

nut

left

needle

7/32

is

gauge

be

in

required

(it

and

connecting

backward

7/32

nut

(F).

ball

If

the

7/32

set

the

of

the
inch,
at

its

to

the

No

used

mak-

has

nut

rod

inch

(G)

Make

joint

6)

•

If

,

a

The

Fig.

7

if,

as

it

its

point

at

the

rear

If

adjustment
screw
required.

the
clockwise

(J,

looper

looper
moves

(A,

is

to

Fig.

of

the

Fig.

Turning

to

acts

6)

the

the

set

correctly

the

7)

brushes,

needle

is

and

stop

rear

reverse.

8

in

left,

necessary,

turn

(B).

screw

and

behind

but

stop

turning

Holding

line-

clockwise

the

does

loosen

screw

it

looper

of-

needle,

not

counter-

feed,

pick

lock

(K)

sets

as

to

Fig.

8