Union Special 39500J User Manual

FEED

ECCENTRICS

(Continued)

The

- 4,

- 26, -

-5, 28, -30, -32

machine. use

number

sired.

After

t

hrough

threaded

wire and

(A).

on

through

following

- 6, -

7,

Additional

39540

Example

INSTRU

thread

back

thread

down

Then

stitch

number

- 8, - 9, , -

34

, -

eccentrics

B

with a minor

:

"39540

B-5"

CTIONS

comes

from

eyelet,

through right

thre

thread

ad

continues

guide

feed

10, -11,

36, -40.

may

number

FOR

THREADING

THREAD

cone

then hand

down hole

between

(B).

eccentrics

-12,

- 13, -

Only

be

ordered

suffixed

STA

on

thread

through

of

each

14, -15

one

separately

to

STY

ND

stand

front

pair

tension

ar e

available

, -

eccentric

indicate

LES 39500

(R,

thread

of

holes

discs

under

16, -18,

is

supplied

.

To

order

number

J & K

Fig. 1),

eyelet

in

tension

(AD),

through

- 20, -

of

it

is

(S).

No.

39540

22, -24,

with

an

eccentric,

stitches

brought up

slot

guide

(AE)

B:

each

de

-

it

is

,

Only

Parts

It

are

will

threading

Before

ing

by position

direction

turning

.

Be

tension

discs

Double

(C,

Fig

. 1)

pull-off looper

lo

oper

right.

thread

(

Rig

parts placed

lower

sure

(D).

II)

ht

involved

in

their

in

relative

simplify threading

looper

beginni

until

presser

threads

(AD)

ng

and

first

to thread

needl

foot

,

as

in

e (L) is

release

they

diagonal TO

end

is

of

from

Lead

guide

all

eye

thread

right

to

thread

(F).

the

way

of lower

and

left

behind

Turn

to

looper

threading

positions

th

is

,

needle

,

swing

at high

come

THREAD

lead

.

it

NOTE:

handwheel

the

left;

can

THREADING

are

shown

for cla

machi

second

ne

to

. )

clo

th

plate

position; release

bushing

from

slots

(AE)

(P) and

the

in

LOWER

through

both

Thread

fabric

be

gua

in

then

threa

r d

operating

thread

ded

in

threading

rity

.

follow

open, turn

swing

tension

LOOPER

eyes of

mu

st

pass

(E)

and

direction

through

easily

if

diagram

recommended

handwheel

pressure

presser

thread

posts

lower

in

thr

ough

guide,

(AC). C

looper

front

both

until

both

twee

eyes

zers

on arm

of

looper

holes

are

(Fig.

sequence

in

ope

presser

(G)

are

between

thread

thre

of

heel

of lower

from in

left hand.

1).

of

rat-

foot

out of

eyele

t

ad

frame

left

to

~

•

"

<

~

•

(

~

c

C'

~

•

~

11

~

TO

• position

eyelet

thread

tension proper

Turn

.

(N),

pull-off

The

amount

nuts

stitch

handwheel

Insert

under

need neck

eyelet

of

tension

(A.A, Fig

for

matio

in

operating

le

thread

of

top

(M).

. 1) .

n.

on

THREAD

from

cover

Thread

THREAD

needle

Tension

THE

direction

back

casting

needle

TENSION

and

on

looper

threads

7

unt

to

,

then

from

NEEDLE

il needle

front

, t

right

front

.

threads

shou

(L,

Fig

hrough

to

left

is

regulated

ld

be

. 1)

eye

through

only

enough

is

of

by

at

its needle hole

in

two

to

highe

st

thread

needle

knurled

sec

ure

Be

sure

machine i s

STARTING

threaded

according

TO

co

OPERA

thre

TE

adi

~LES

ng

diagram (Fig

39500

J & K

. 1, page 8).

front

freely

required position

•

>-

...

z

0

With thr

to

Operate machine

.

Swing

While sewmg

ead

tensions

back

for

needle thre

location

presse

the

r foot

on

stitch

ligh

t ,

set looper thread

.

slowly, without

mater

ad

eye

into

shou

position;

ial,

let

ld

check be

(N)

LOWER

presser foot

insert

NE

EDLE

needle thread

drawn

farther

on

needle

to

LOOPER

eyelet

in

place,

materi

THREAD

the rear.

al;

control

downstroke

THREAD CONTROL

(C) about

to

sew

slowly.

CO

NT ROL

as

. To

horiz.ontal

make

follows: About

sure

increase

chain

thread

and m

forms and moves

75%

the

middle

of

needle thread

draMl

on

downstroke,

of its

off

tongu

:.:

o5

..,

enough <)'

elet

Wi

th

material

so

thread

(C)

should

0 Frame lo 0

of

looper

11'1

(H)

o-

M

11'1

...

>-

....

Ill

tl>ese

Before

tensions

•

SKIPP

oper

heel

proce

will

I

1\

G:

under

is

a

be about

tl>read

eyelet

eding,

not markedly

For

presser

little

guide

t>alance

occasional

foo t ,

slack

horizontal.

(f)

at

the

time lower

both

effect

skipping,

set

when

should

spreader reaches

tensions

SPECIA

lower l

be

set

looper

THREAD

to

the purl.

L

check

ooper thread

its

extreme

with

give

its

left

i s at extreme

TENSIONS

a normal app

ADJUSTMENTS

and/

or

adj

ust

eyelet (C, fi

left

hand

left

earing

as

outlined

eyelet

end

stitch

g.

1)

back and do•n

position

approximately

of

its

below:

. Looper

travel.

. Moder

1/8

ate

change 1n

far

thread

inch

right

!.

Recheck lower

2. Recheck

3.

Check

past

Settings

sk

ip

is

definitely

sli¢>t!y one! bringing

change,

C..\l'

left

increase

TION:

position, or

spreader

clearance

needle

1 and 2

not a needle

loope

l.oo

!'er thread

stitch

looper -needle

-

lo~<

er

between

.

should

eyelet

r thread tens

be

ho

nust, as

will

appear

les

setting

loopel' ctossinf_.

needle

made

loop

in

ion

and

quite

skip,

close

as

before

tisht

spreader

carefu

reposition

to

much

, be slightly

on top

.

See

:Oee "Setting tloe

lly.

bend in

as

possible

side

16

"Setting

.

See that

If

it

can be determi ned by appearance t

looper

looper thread

slack as

.

thread

without di

tl>e

Needle",

spreader

eyelet

spreader

page

Spreacet·",

moves

(C) by lowering i t

pull-off

storting

reaches its

11.

page

far

(D).

stitch

12.

enough

After th

.

extreme

left

hat

i s

Be

sure

machine

STARTING

is

threaded

TO

OPERATE

according

to

threading

STYLES

diagram

39

500 L & M

(Fig

. lA,

p.

9).

ll~th

and

in

Operate machine

off

the

Sw·ing

llhile

required

To

the

rear.

thread

the

middle

tongue

presser

sewing on

for

incre

the

ase

tensions

of

freely

foot

stitch

thread

light,

their

slowly,

.

material,

front

1nto

should

dr~n

set

upper and low

to

back

without

position,

locations

presser

ins

NEEDLE

check

be

on downstroke,

needle

drawn on

foot

ert

in

materia

THREAD

thread

needle

position

do~nstroke.

er

looper

.

place,

l,

and

CONTROL

control

needle

thread

to

sew

as

follows

thread

make

slowly

eyelets

sure

.

: About

eyelet

(C &

that

chain forms

60?1

(R, Fig.

E)

about

of

lA)

hori

needle

farther

wntal

and

thread

rooves

to

•

>

-

2

c

right

lower

upper

Set

lower

Frame

of

lower

1\lth

looper looper

loope~

looper

material

thr

ead

reaches

thread

heel

under

eyelet

the

LOWER

eye

let

guide

(G)

eyelet,

should

when

UPPER LOOPER

presser

(E), and back

left

end

foot,

of

LOOPER

(E,

Fig. lA)

be

lower

set

upper

far

its

stroke.

THREAD

about

set

with

looper

is

THRE

looper

enough so upper

CONTROL

horiwntal

its

left

at

the

AD

CO

thread

and

hand

left

eyelet end

NTROL

eyelet

looper

thread

all

of

(C,

the

way

forward

approximately its

stroke.

Fig. lA)

is

a

to

little

1/8

rest

slack

in its

inc

on

top

when

slot.

h

of

:E

Oi

-

c c

"

0

f':

..

"

-

>

...

"

Position

thread

looper thread

tensions

To

reduce mount

of

l

o~~r

.

tension.

looper

of

lower

POSITIONING

thread

looper

at

the

thread

THE

edge

1n

is

the

SQUARE

located

stitch,

17

EDGE

by

balancing

or

close

the

needle

edge

more,

and upper

1ncrease

looper

lower

Fig.

17

Crankshaft

1.

~

rain

back

2.

Remove

can

oil

of

machine

top

be

by

and

3. Remove feed

with the aid

slip

4 . Ren.ove ke)· (G) .

5.

Remove

these re-a

6.

Hell'Ove

split

through

7.

P.emove ca

points

off

the

three

counterweigh

ssembl

ed

sere

..

bearinr

bottom

ps

A,

£?,

bearing caps

ori

gin

al

posil

stamped

trade

the

assembled

they

8. Loosen

uwer

clamp clri vin& arm

driving drop,

This

crank

re-usanb

9.

Remove

right reached

10

.

l...oo

sen

both

1

1.

Remove

12. Loosen two

13

.

Remo•·e

retaining

14

. Crank

on

both

marks

bearings.

in

WP

rf!

rerroved.

clsnp knife nut

is

lever

allowing rEmOval

is

at

shaft

. Observe

ling cap

screw

crankshaft

through

two

halv

es

screw

three

plate

sha

ft

with<!ra"n

remov

eccentric

of

eccentrics

coiDite,.,...eights

in

·

(J)

.

of

and!:.

make

should

t.he sarre

nut

drivine

through

to the

bearing

ing

near

bottom

the eccentric

ts

the

..

hich

This

of

bed

bea

rings

sure they are in

..

ioo.

halves

~)so,

(A

(C)

and

eaner

plug

bott<ltn

covers

nut

so

proper

holds

screw

cMting

¥-l•en re-as

Trade

of

be

on

screws

holes

,

Fig

arm

top

left

connecting

of

poii>t (C,

same

as

describe<!

(F,

Fig

.

17)

bearin

bottom

scr.,..s

of

coo

(M);

screws

may

now

(L)

lin

take (P);

(1')

of

in

g fan.

(S)

.

be

removed.

TO

if

screw

ecge

of

(f,

fig.

extra

(f).

(1-1)

.

that

on

.

(B)

IDitil

g.

off

remove

;

they

places.

crankshaft

is

reached

.

crankshaft

sembling

mar

ks are

the

caps

the

sarre

should be

from which

18)

which

. Ac

cover

. Draw

upper

bearing

Fig.

precauticns

which

This

bed

casting.

fan

collar;

pulley cap

pulley

take

off

REMOVE

these

locat

of

me.chine.

cess

in

holds screw

ed

base.

11)

cto

r,

Identify

will

at

their

and

side

re·

holds

to

knife

rod

<nl

cap

17)

on

,.h

7 a bove.

is

rem:~ve

(R).

bearing

steps

on

and,

be

both of

(E)

.

en

inner

(N

).

CRANK

are

foJJ....,d:

15. If

16. Ca

l7

SH

AFT

necessa

it

sh<~ll

press

pressed

ground thrust

going asserrbl y of

.

refull

r y

to

d

be

pressed

In

replacing

on

car~fu)]y

washer

y

observing

orerations

crankshaft.

replace

revers~

should

view drawings for location

and

assembly

.

L'efore

dry top

Fe

that

cates

in

sha

sprin8

d

rain

re-ass

1

constant

re

ond

fore

re-assembling

spring

]rft

hole

it.

in cas

The wi

against

plu(; witlo a embli

Cran~

lead

testing

,·ill

-

also

assen.bl

bottor

pressea

crankshaft

tin

ck

~~tom

ng tO

Seol

Fig.

prove

ing, thoroughly

covers

oil

s

And

stands

sP.a!in~

prevent

is

boll

off

bearing

until

(U) .

simplify

for

bottom cover

•ick

bearing

thot

vertically

bearing

shaf

t

on

it

must be

it

seats

of

the

re-

Checking

of

binds

h~lpful.

ond

which

it

exploded

various

during

clean

gaskets.

make

is

inserted

contucts

cover. Coat oiJ

compound l>t'fore

oil

leakage

recomnended.

18

(V)

,

arbcr

against

fore

-

pa

r t~

re·

and

sure

lubri

on

-

its

.

No

.

18

ILLUSTRATIONS

ORDERING

REPAIR

PARTS

•

This various position

the

parts

particular

Numbers

position

ordering

Component by

indenting

41 42 42A

43

44 45

29126

22729 22729

39544 39544

catalog

sections

in

the

with

view

in

of

that

parts

.

their

DF

D E

97

s

u

has

of

machine

their

being

the

part

Always

parts

been

the

part

shown.

first

in

of

descriptions

Lower

arranged

mechanism

.

On

the

page

number,

column

the

use

sub-assemblies

illustration.

the

Looper

Screw,

Screw, Screw,

Ball

Lower

are

part

under

for No.

for

Joint

Looper

to

simplify

are

shown

opposite

description

reference

Reference

number

which

the

description

Drive

No. 39544 N ----------

No.

Guide

Lever Connecting

39544 N ---------39544 S ----------

Fork

Bar

ordering

so

that the

and

numbers

listed

can

---

Dr

iving

be

repair

the

parts

illustration

the

number

numbers

in

the

furnished

of

- ---------------Lever-

second

the

may

only,

main

Rod

-----

--------

-

--

of

--

------

parts

wi

and

should

for

sub-assembly

.

Exploded

be

seen

ll

be

found a

pieces

mere

column.

repairs

Assembly

-----------

------------

required

never

- -

------

- -

-----------

--

------

in

their

ly

indicate

be

are

.

-----

views

actual

listing

in

used

indicated

Example:

----

- -

---

- -

---

-----

- -

- 2

----

of of

the

in

1 2

2 1

1

It

will

not mended,

difference

part

book number

some

fication

WHICH

listed.

Where

is

used

At

the

.

This

is

Where

of

letter

PART

THEY

be

noted

The

so complete

parts

will

in

back

will

known.

the

smaller

NU

reason

for

be

all

of

facilitate

construction

is

stamped

MBERS

APPEAR

in

the

is

sub-

Styles

shown machines

the

parts,

assembly

in

book

in

REPRESENT

.

above

that

39500

the

covered

will

locating

permits,

and

to

example

replacement

illustrations

be

on

distinguish

that

of t

should

J,

39500

by

found a

the

IDENTIFYING

each

those

THE

be

ordered

K,

39500 L and

or

this

illustration

catalog

numerical

par t

where

the

part

SAME

the

eccentric,

hese

mentioned

PARTS

is

construction

from

PART,

parts

.

no

machine

index

and

stamped

similar REGARDLESS

ball

individually

39500

in

of

description

M

the

style

all the

with

does

ones

descriptions

not

stud,

are

will

parts

when

its

permit,

.

and

not

part

OF

bearing

is

not

the

be

shown

only

number

CATALOG

recom-

same,

.

When

mentioned

in

the

an

identi

are

this

part

.

the

a

.

On

-

IN

Success

Special its

subsidiaries

scientific

durability

Genuine

parts

of

warded

directed

the

Prices

are

highest

in

Needles

principles,

are

stamped

f. o. b.

. A

assured

needles

quality

are

charge

USE

the

operation

and and

net shipping

Repair authorized

.

are

with

in

cash

is

GENUINE

of

Parts

and

the

made

are

packaged

Union

materials

and

point

to

NEEDLES these distributors.

made

Special trademark.

and

subject .

Parcel

cover

machines

as

furnished

with

labels

workmanship

TERMS

to

change

post shipments

postage

utmost

19

AND

can

by

They

marked

without

and

REPAIR

be

secured

the

precision

insurance

are

.

Union

designed

~

Each

PARTS

Special

.

Maximum

trademark

notice.

are

insured

.

only

with

Machine

according

is

All

shipments

genuine

efficiency

.

Genuine your

unless

Union

Company,

to

the

most

repair

guarantee

are

otherwise

and

for-

20

MAIN

FRAME,

MI

SCELLANEOUS

COVERS,

PLATES

•

Ref.

No.

1

2

3

4

5

6

8

9

10

11

12 13 14

17 18 19 20 21

21A 22 23 24 25 27 30 31 32 33 34

35 36

37 38

39 40

41 42 43

44

45 46

47 48 49 50 51 52 52A 53 54

55

56 57 58

Part

No.

39557 B 39557 E 39557

c

39557 F 39557 39556

A

39557 A 22541

51

s

- 103

39582 39582 L

39582 v

39582

All

.

22571 E 22565 29477

GW

22743 39568 39568

J

G

39534 R

90

660-234

39594 A 22569 39501 A 39501 39501

c

39501 B

90

39532 A . 39582 K

41071 G

86 X

22569 A 39594 G

39594 H 39578

BB

22569 D 39593

c

39593 D

660- 243 39593 E 22894

AD

22565 39582

y

39582 X

22569 c

22586 R

22653 D- 4

39582

F

39578 F

138 22657 D-

12

39501 K

Blk.

Pre Presser Presser Lock

Presser Pres Presse

Screw

Top

sser

Nut

ser

r

-

Cover

H

inge

Oil

Spring Spring Plunger Spring

- A

djust

Spring----------------

Fo

ot

Release

Spring

Top

Fill

Cover--

-----

Pin---

er

Cover------------------------------

Spring------

Top Cover Oil

Drain

Sc

rew

Upper

Feed Bar Oil

Screw

Oil

Fe

ed

Screw-

Cloth Cloth Cl

oth

Cl

oth

Screw-

Cloth Feed Mechanism

NutScrew Screw

Oil Filter

O

il Strainer

Chip

Screw Oil

Oil Oil Oil

Screw Screw

Bottom Bottom

Screw Screw

Screw-

Bottom Clo

Screw Screw

Stud-

Looper

Screw

Looper

Thread Tube

-

Tube

Eccentric

Plate Plate, Plate, Plate,

Plate

Feed

-

Guard-----

-

Gauge Gauge

Gauge

Sight

-

th

Plate

- F

-

Cloth

Gasket

Plug

Upper

Thread

-

Tube

Thread

Shield

Feed

Coupling--------------------------------

Cloth

Latch

Feed

Oil

Bar

Plate

,

semi-submerged nonsubmerged semi-submerged nonsubmerged

Spring

Latch

Mechanis

Mechan

Screen

-----

Chip

Gauge--Lowe Upper

Cover Cover---

Bottom Cover Bottom

Bottom

Cover Extension--

Cloth

Guard-------------------------------

Float ----

Indicator

Seal

r L

Gasket------

Fa

bric

abric

P l

ate--

Description Plunger Plunger

ing

Plunger

--

- -

---

Cap

Locking

Adjusting

Screw------------

Bushing

----

-----------------------

----------

-----

Nut -------------------

Nut

----

Screw--

--

----------

--

----

- - - -

-

-----------

- -

---------------

-------------------

----------------------------

-------------

Screw

Looper

- -

Spacer

Sp

Cover--

---------------

----------------------------Thread

Tube

Tension

Tube

----------

------

Oil

Sh

Oil

Stud---

-- -

ring

m

Cover-

ism

and

Str a

Assembly------

Spring-

Tension

- - -

ield

-----------------------

Tube-------

-

installation---

installation-

--

-----

--------------------------

-

--------

Cover----

iner-

-------------

-

-----

---------

Ring

Loop

Guard-------

-----

-------

ooper

er

-

--------

Cover--------------------------Cover

Guard---

ate-

-

----------

-

-------------------------

-

----

-

--

Bar

Drive

---------------------------Extension----------------

--

-- -

---

----

Lever

-

--------

- - - -

------

--

-

------------------

Tube

- - -

--

------

------installation

installation

- -

-

- - - -

- - -

- -

--

- - -

--- ---

- - -

- -

---------------------

Assembly-------

-

-----

Spring-

----

- -

----

--

- -

--

- -

----------

-

-------

-

-------------

----------------

- - -

------

--

- - - -

-------------------

-

--

------

-----------

-----Shaft----

Shaft

------

-

---------

--

-

----

------------

-------------

-----

- - - - -

--------

--

-

------

--

-----

-------

-

--------

-

------

-

-- --

-

--

-------

-

----------

-------

--

---

-------

---------

-

------------

-----------

------

--------

-

--

- - -

------

- - -

-

-----

--

----

--------

--

-----------

-

-------

-

-----

- - -

---

- - - - - - 1

- -

-------

------------

--

- -

-------

---

--

--------

----

- -

- - -

--

-----

----

- - - -

---

----

-

----

--

----

Amt

-

---

-

--

-

--

- -

-

- -

--

---

--

- 1

-

--

- - 1

- 1

.

Req.

1

1 1

1

8

1

1 1 1

1

1 1

1

1 1 1

1

2 1 1 1 1

3

1 1

1 2 1

1

2 2

1 1

14

2

1

2

1

21

A -

~EED L£

8 -

SPRfADER -UPFER

DR

C -

lJPPEil

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LO'!Eil

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IV£

llEARII'G

KNIFE

J.OOI'!ll D\JV[

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BEAR lNC

D\l'E

LOOPER

llEARJNG

BEARING

22

CR.J\.NKSH.J\.FT

MECHANISM

AND

BUSHINGS

'

Ref.

No.

1 2 3

4

5 6

6A

6B 7

8

9

10

11

12

P3

13A 14

14A

*15

16 17

18 19 20 21

22 23

24 25

26 27

28 29

30 31

32 33

34

Part

No.

22769 39521

39521

95

39590 22569

39590 39590

660-268 39590 39590

39591 39591

22894 22565

39590

77

39590

97 22747 39591

39591 22747 39590

39691

22747

3

9541

666-94

39590

39555

39142 39573 39573

39552 39544

A

H

s

R

G J

L

H D

F

p

Q

D A

B B

A

B N

B

c

E

G K AA

B

L

Screw

Pulley Pulley

Cr

Screw ---

Spacer

Ball Crankshaft

Crankshaft Thrust

Cr Crank

Screw-----

Crankshaft

Screw

Oil Crankshaft

Cr

Screw

Cra Crankshaft Screw

Stud,

Crankshaft Screw

Feed Oil

C

ra

Crankshaft

Foot

Upper Upper

Needle

Lower

,

for

Cap-----

--------------

Screw

ank

shaft

Collar-

Bearing

Washer

ank

ankshaft Spl

Ch Chamber

--------------------------------------------

Slinger

Screw

Screw,

,

for cranks

nkshaft

,

for

for crankshaft ,

for

Driving

Wick nks

haft

Lifter

Li

fter

Knife

Drivi

Looper

Descr

pulley

-----------------------------------

-----------------------

Ball

- -

-----------------------

Ba

Ball Bear

amber

-----------------------

Bearing, Collar

----------------------------------------

---------------------------------------for

Counterweight, Counterweight,

cra

Counterweight, left---------cranks

and

Bushing, left--------Bus

Shaft Shaft

Driving Driving

ng

Bearing

-----------------------

Stop

ll

Bearing

-

-------------

Cooling

it

Bearing

split

nks

Eccentric

Spring

hin

Ar

Bar

ipt

ion

cap

Collar----

----------------------------------

haft

g, Bus Bushing,

m

------

----------------------------Retaining

-

ing

inner

bearing---

split

--------------inner left

hing, left--------------

Ar Arm

Crank

Bushing

Housing

Fan Fan Collar------------------

-----------------------

counterweight

counterw

co

unterwei

Key-----------------

m

-

---

-------- ---

Plate

- -

-------

--------------------------

--------------------

------------------------

right

right----------middle---------

bearing

right

Bus Bushing

Bushing---

----------------------

---

------

eight

-------

ght--------------

-------------------

----

----------------

hin

g, left----

,

- -

----

------------------

-----

--------------

-----------------

------------------

rig

- -

-----

--------------

-

--

----------

-

--------------

--

--------------

-

---

-----

-

-----------

----------

-

---------

--

- -

--

- -

----------

- -

---

---------

ht -

---

---------

---------------

-------

--

----

-----

-------

------

- -

-

---

Amt.

- 1

---

- 1

- - 1

---

-

--

---

--

- 1

--

- 1

Req

1

2

1

3

1

1 2

1

2

1 1 2

2 1

1

2

1

2

l

1 1

1

1 1

1

.

:t

Discontinued

*

Discontinued

-

For customer

-

For

Sub-Assembly

customer

repair, repair,

N

o.

29477

order order

23

Kit

Crankshaft

JA.

of

Parts

No. 29

and

480

Needle

LB

.

Driving

Crank