Union Special 39500MA User Manual

®

INDUSTRIAL

SEWING

FINE

ST

STYLE

39500

QUALITY

MA

LEWIS

•

COLUMBIA

MACHINES

CATALOG

No.

103

MA

HI-STYLED

SINGLE

TOE

CLASS

NEEDLE

DIFFERENTIAL

CLOSING

CHICAGO

39500

HIGH

SPEED

MACHINES

FEED

(Supplement

Catalog

INSTRUCTIONS

to

No.

Catalog

FOR

103

MA

No.

103

FA)

ADJUSTING

LIST

CLASS

First

AND

OF

Style

39500

OPERATING

PARTS

39500

MA

Edition

Union

Rights

Copyright

By

Special

Reserved

1969

Machine

in

All

MACHINE COMPANY

INDUSTRIAL

Printed

SEWING

CHICAGO

in

2

MACHINES

U.S.

Co.

Countries

A,

February,

197

3

IDENTIFICATION

OF

MACHINE

Each

the

machine.

numbers

"Style
changes
number.

which

39500".

junction
Style

herein.

Class

are
direction

39500

Styles

differs

This

39500

This

39500.

taken

Union

Style

have

one

MA".

are

made

Example:

of

machines

from

catalog

therewith.

GS

are

catalog

It

can

also

References

from

of

handwheel

Special

or

is a supplement

applies

the

machine

numbers

more
Special
in a standard

"Style

the

Only

illustrated

be

letters

Style

39500

similar

Style

applied

operator's

is

number

APPLICATION

those

specifically

to

directions,

away

is

are

classified
suffixed,

numbers

machine,

MAZ".

in

construction

to

parts

and

listed

with

STYLES

discretion

position

from

identified

but

contain

a

in

that

OF

Catalog

which

at

the

to

the

such

while

operator.

OF

MACHINES

by a Style

as

standard

never

the

"Z"

is

are

it

contains

CATALOG

No.

103

are

used

back

standard

to

some

as

right

seated

number

and

contain

letter

suffixed

grouped

no

letters.

FA

and

on

Style

of

the

Style

Special

and

left,

at

on a name

special.

the

letter

"Z".

to

under a Class

should

39500

book.

of
Styles
front

the

machine.

Standard

"Z".

When

the

standard

Example:

be
MA,

machine

of

and

plate

Example:

only

minor

number,

"Class

used

in

and

not

as

listed

machines

back,

Operating

on

Style

Style

con-

on

in

etc.

,

Hi-Styled

seaming

Lower
39500

filled
straight
should

sight

tween

main

It

is a magnetic

have

Knife,

MA

specification

ing

on

feeds.

CAUTION I Oil

before

mineral

be

Machine

gauge

gauge

Machine

reservoir

The

oil

entered

High

Speed,

machine.

Automatic

Light

material.

Maximum

beginning

used.

is

filled

on

front

lines

is

automatically

filled.

drain

screw

the

Single

Differential

duty

machine,

505-

EFe-1

Stitch

recommended

was

to

oil

of a Saybolt

with

of

machine.

when

plug

crank

machine

Check

screw

designed

case.

Curved

Feed,

Lubricating

for

inverted.

range

drained

operate.

oil

15-

from
viscosity

at

spring cap

is

lubricated.

oil

daily

is

located

to

accumulate

It

should

Blade

toe

100

Red

stationary.

Needle,

Trimming

System.

closing

Standard

per

speed

OILING

machine

Oil

capacity

bulb

No

before

at

back

be

removed

on

inch.

7000

when

of

90 to 125

in

on

oil

oiling

the

of

possible

Two

Looper,

Mechanism

women's

seam

R.

top

width

Cam

adjusted

P.

M.

shipped,

of

Class

cover.

level

is

necessary,

morning

machine

and

seamless

1/16

seconds

Oil

indicator

start;

near

forei

gn

cleaned

Three

with

to

main

so

reservoir

39500

at

level

other

add

bottom

materials

periodically.

Thread,

spring

hosiery.

3/32

and

is

six

100°

is

should

oil

as

edge

Over-

pressed

Seam

inch

depend-

differential

must

ounces.

Fahrenheit

checked

show

than

keepin

required.

of

base.

which

be

A

at

be-

g

may

3

li]Tension

Nut

~

~~Thread

Eyelet

IJTension
IJTension
[!]Tension
IIJspring

OTension

(3

Tension

(I

Tension

~Front

Spring

Spring---....._~

Post~

Shield

Discs·
Post

Disc

Thread

Ferrule

~~~~

> ·--'

Slo~--

Felt--

',,_

..

Guide

lfJLower

(iJFabric

DFrame

Thread

m

Presser

Looper

Guard

Looper

Guide

Arm

Thread

Bracket

Fig.

Eyelet

1

4

........

m

Top

Needle

Upper

Thread

Upper

Lower

Cover

Thread

Looper

Tube

Looper

Loop r

Eyelet

Assembly

NEEDLES

Each

number

size

number,
sured
number
of

all

This

is

Type
chromium
and

0

To

sample

label.

Union

denotes

in

thousandths

and

needles

machine

154

plated,

60.

have

needle,

A

complete

Selection

Thread

should

mation.

Success

of

needles

for

producing

packaged

three-quarters

Special

the

kind

stamped

size

number

packaged

uses a curved

GAS.

It

available

needle

or

type

order

of

proper

pass

in

the

under

highest

of a century.

needle
of

on

the

of

an

represent

and

is

standard

orders

and

would

needle

freely

through

operation

our

quality

has

shank,

needle

inch

sold

in

sizes

promptly

size

read:

of

brand

needles

both a type

point,

midway

by

blade

length,

shank,

the

complete

Union

needle.

length,

denotes

between

Special.

single

022, 025, 027, 029,

and

accurately

number

size

needle

Union

name~

"1000

is

Special

in

materials

should

Needles

determined
eye

number

groove,

largest

shank

symbol

Standard

grooved,

be

in

order

machines

and

and a size

finish

diameter

and

which

needle

struck

032,

filled,

forwarded.

Type

154

by

the

to

produce a good

can

which

is

workmanship

and

eye.

is

for

groove.

036,

an

Use

GAS,
size

be

secured

backed

number.

other

of

The
details.
blade,

Collectively,

given

Style

on

39500

the

spotted

040,

empty

044,049,

package.

description

Size

027".

of

thread

stitch

only

by a reputation

for

more

type

The

mea-

type

label

054,

used.

for-

by

than

MA
and

a

on

use

Release

Fig.

1)

direction
No.

21388

Again

turn

To

left,

insert
position,
nut.

Return

(AG).

After
through
eyelet.

front

Next

to

NOTE:
first
front

through

to

pressure

and

swing

until

AU,

handwheel.

replace

needle

turn

presser

thread

the

back

it

back
The

and

lower

the

back,

presser

needle

is

furnished

until

needle,

in

holder

handwheel

arm

comes

hole

of

is

threaded

then

through

looper

upper

and

third

on

presser

at

its

with

needle

leave

until

(U)

from

thread

through

thread

hole

through

CHANGING

foot

arm

(U)

lowest

machine,

is

needle

until

it

holder

to

position

THREAD

cones

eyelet

the

lower

is

from

back

the

by

out

point

at

holder

rests

is

on

(B),

the

thread

to

lower

NEEDLES

turning

of

position.

of

loosen

high

position

at

against

again

and

STAND

cone

then

upper

hole

ed

front,

hole

presser

travel.

needle

high

at

its

re-lock

support
down

hole

from

through

s e

cond

back

Turn

Using
and

position

stop

pin.

low

point

presser

(A,

through

of

tension

back

to

the
through

to

front.

foot

release

handwheel

hexagonal

clamp

withdraw

and,

Keeping

of

foot

Fig.

the

thread

front.

tension

the

nut

needle.

with

travel,

1)

front

thread
middle

bushing

in

socket

about

the

needle

then

release

it

is

hole

guide

(AG.

operatin

wrench

1/4

turn.

flat

to the

in

thi

tight

bushin

brought

of

thread

(C)

fro

guide (C),

hole

from

g

s

en

g

up

m

All

slot

(K)

threads
in

tension

then

post

continue

(G)

and

between

on

through

the tension

front

thread

discs

5

(J),

guide

through

(M).

tension

post