Union Special 51500BT User Manual

INDUSTRIAL

SEWING

FINEST

CLAS

515

0

S

C 0 L U M B I A®

MACHINES

CATALOG

NO.

T107

M

UNION SPECIAL

LIST

STYLE

CHICAGO

OF

PARTS

FOR

51500

CORPORATION

BT

Catalog

No.

T107

M

LIST

CLASS

First

OF

Style

51500

PARTS

51500

BT

Edition

Rights

Union

Copyri

Special

Reserved

g

ht

1961

by

Corporation

in

All

Countries

UNION SPECIAL CORPORATION

INDUSTRIAL

Printed

SE

WING

CHICAGO

in

MACHINES

U.S.

A.

March,

1978

IDENTIFICATION

OF

MACHINE

Each into special. the

letter

11 Z 11

•

to

the

UNION

the

name Standard

When

standard

Styles

which

in.

class.

the

is

differs

This

It

can

Reference

operator's

toward

catalog

Streamlined out

Knife, Independent Bearing System,

Lateral

Driving Filter

Looper

11

Z

only

of

also

the

Flat

With

Row,

".

SPECIAL

plate

Style

Example:

minor

Style

machines

from

the

applies

be

applied

to

position

operator.

Bed,

Front

Two

Mechanism,

Type

Travel,

machine

on

the

machine.

numbers

"Style

changes

number.

similar

style

APPLICATION

specifically

with

direction,

while

High

Disposal

Loopers,

Oil

Return

3/16

have 51500 are

Example:

in

number,

discretion

such

seated

STYLE ·oF

Throw,

of

Light

Single

Inch

is

identified Style one

made

numbers

or

BT

".

in a standard

"Style

construction

in

that

it

OF

to

the

Standard

to

as

right,

at

the

machine.

MACHINE

Top

Feed

Trimmings,

Weight Reservoir

Pump

With

Spacing

by a Style

more

letters

Special

51500

are

contains

CATALOG

some

left,

Special

front,

Machine

Two

Presser

Enclosed

Base

Between

number

are

classified

suffixed,

Style

numbers

machine,

BTZ".

grouped

no

letters.

Style

of

Styles

back,

Operating

With

Needles,

Bar

Plate,

Needles

which

as

but

contain

11

a

Z

under a class

Example: 1151500

machine

etc.,

as

of

machines

are

direction

Spring

Left

and

Pressed

Needle

Needle Automatic Oil

Siphon

in

Line

is

stamped

standard

never

11

the

is

suffixed

contain

letter

number

listed

here-

in

given

of

handwheel

Throw-

in

Front,

Bar,

Needle

Lubricating

Assembly,

With

Feed.

and

11

this

from

•

51500

BT

sack

For

and

Standard

Each number The blade

UNION

denotes

size

number,

measured

Collectively,

Standard

round

point, iumJ>lated170/067.

To

have sample on

needle,

label. A complete

Selection

Thread

should pas s

formation.

seaming

sport

gauge

the

needle

short,

sizes

needle

or

of the

coats

No.

SPECIAL

the

kind

stamped

in

thousandths

type

number

for

double

080/032,

orders

the

type

order

proper

freely

and

10

binding

and

similar standard

women's

NEEDLES

needle

of

shank,

on

Style

groove,

090/036,

promptly

and

would

has

both a type

point,

the

needle

of

an

inch,

and

the

size

51500

BT

struck

100/040,

size

numb

and

needle size should

through

ne

edl

quilted

garments.

width

of

length,

shank,

midway

number

is

Type

groove,

110/044,

accurately

er

should

Needles,

be de

e e ye

robes,

Seam

specification

binding 1 1/4

number

groove,

denotes

and

finish

the

between

is

the

complete

128

GAS.

ball

eye, 125/049, 140/0

filled,

be

forwarded.

Type

128

termined

in

order

to

housecoats,

jackets,

401-BSe-2.

inches.

size

number.

and

oth

lar

gest di

the shank

The type

er de ta

ame ter

and the e

symbol.

It

has a round shank,

is

spott

ed

and

54,

150/060,

an

empty

package, a

Use description

GAS,

by size of

produc

Size 090/036

thread use

e a g

ood stitch

ils.

ye

chrom-

of

11

d.

•

For bes

these

ba

cked

quarter

m achines. They

by

s

of

t results,

a r e

putation

a ce

ntury

use are

•

only genuin packaged

for

producing highes

e UNION SPECIAL

und

er

our brand name,

t q

ual

ity

needles

•

needles

~,

for

in

the oper a

more than

tion of

which

three-

is

IDENTIFYING

PARTS

Where some identification

appear.

OF

shipments unless

must Saybolt

sight the

of

the

Part

IMPORTANT!

MACHINE

Prices

The

Oil

red

numbers

otherwise

oil

be

filled

viscosity is

gauge

lines

construction

smaller

letter

represent

ON

FOR

are

has

filled

on

the

on

WHICH

strictly

forwarded

directed.

been before

of

90

at

the

front

the

gauge.

permits,

parts,

is

stamped

ALL

net f.

drained

beginning

to

125

spring

of

the

each

and

on

in

the

same

ORDERS,

PART

o.

The

IS

cash b.

shipping

A

charge

from

to

seconds

cap

machine.

capacity

part

those

to

PLEASE

ORDERED.

TERMS

and

OILING

the

operate.

at

in

where

distinguish

part,

are

point.

is

machine

100°

the

top

The

of

is

stamped

construction

regardless

INCLUDE

subject

made

Fahrenheit.

cover

oil

the

to

Parcel

to

before

Use a straight

level

oil

reservoir

with

the

PART

change

Post

cover

shipping,

and

the

should

its

part

of

catalog

without

shipments

postage

level be

is

part

number. does from

not

similar in

NAME

and

mineral

maintained

12

AND

notice.

and

the

is

checked

ounces.

are

permit,

ones.

which

insurance.

reservoir oil

they

STYLE

All

insured

with

at

the

between

On

an

a

The

machine

main

Oil reservoir,

reservoir

handwheel.

reservoir

A

daily

which

check

has

making

may

is

filled,

before

gone

be

automatically

is

necessary.

the

morning

through

too

drained

the

frequent

at

machine

oilings

the

plug

lubricated

start

should

is

unnecessary.

screw

and

be

filtered

in

the

no

made

and

main

oiling,

and

pumped

Excessive

frame

other

oil

back

than

added

into

oil

in

directly

keeping

if

required.

the

under

the

main main

the

2

3

4

CAUTION!

FILL

BEFORE

MACffiNE

BEFORE

Thread Use a straight Fill

Maintain Drain handwheel.

oil

excess

as

indicated.

cup

"A"

oil

THREADING

The

mineral

until

level

oil

between

from

AND

looper

oil

of a Saybolt

level

the

lines

the

machine

OILING

threading

is

visible

viscosity

of

gauge

by

removing

DIAGRAM

has

been

between

"B".

enlarged

of

90

lines

the

FOR

to

of

plug

OIL

STYLE

for

125

seconds

gauge

screw

RESERVOIR

STARTING

HAS

BEEN

SHIPPING

51500

clarity.

at

"B".

located

KEEP OIL

LEVEL

BETWEEN

LINES

DRAINED

BT

1 ooo

Fahrenheit.

directly

beneath

'l'h

t: foli

Following thf' pnrts list nre 1\mt .

o\\ ing is a

Pa

rt No.

1

:J

~

2 1 2

I

1

~

1

:J :J

2

1

~

6

2

1

2 2

1

~

2

~

)

1 2 1

1 2 1 1

1 1

1

:J 98 A

1

B

J 1

1 1 1 1 2

2 1

1 1

1

18

~7-4:

50 .1-

11

:'\05

109 158 B

256 256 258 A 258 A 258 A 26

402 531

531 53 8 F e

539 604

6

num

en c a l

D

c

J:i

16

!l

k.

B Sc

-\

-127 k.

F e e d Hocke r S N

ut

55

241 N, 5

Was

:i

l:!36

Sc

r ew

N<>ed

Washe r

Sc r e w

Ne

e dl e Stop

Pw f

I .uc i

O

il Cap

Sc

r ew fo r

Sc

r "

le ve r link

upp

Screw

rew

Screw

plate

crew

(12982)

Scre

Sc

rew

plate

Sc

rew

Screw

rE-w

Screw for 51034 Screw Sc r e w

S

crew for

2J322

Screw for 52882

crew for 52882

S

5

2894

Screw

Screw for Screw for

feed dog

Plug Screw

Screw

Screw for

Adjusting Screw

for

Screw

Spot

5

1523 Screw for Screw Screw

Tension Thread Eyelet

(98 Nut Nut Nut Lock Nut Nut

512

Scr

ew f

78

53

Screw for

S

crew for 5149

ed Dog Height 1

Ad

ju st ing Scr

Fr

am e Thr e ad E yelet 1

:

2o, 2284 8, 22889 A l 1

Screw f

Oil

Pump

e

20

~ 5

1311~.

28 ii

0-216

B

lk.

50- 4 ;i

Bl

50- 64 8

Blk.

:i

0- 78!)

Hlk.

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77

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BO

80 S

Bl Screw

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Ui

BB

BH

8B

BB

B B

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!JO fl

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!

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n:J

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fl

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5

fl

::i

96 96

98 98 A

9

43

Bl

for 5124 0 E, he r f

for 52357 A

for 51134 for 51280 for

for for 4 0 E

list

of

photographs

escription

G, 5

for

le

for 51504 D

or 51241

te Oil

for

r

for for for

for for 51242

w f

for for

for for 52894 for

for for

AL-l

AB

for

for 51147

511 34 N

for 51244

Screw for

fo r 158 B for 51291

A)

Nut

3 A 2

parts

of

haft

5244

or 539,

Bar Eyelet

Ilin

or

Disc

660

52 694 AM 1 51 23 6 G,

or

or 5143

G

1758

23223

T

K

Gauge

ge P in

looper needle

pin,

51 054 51236

A

cloth 52980

A Y

51236

G

throat 14649

154 65 F

AK

needle

A

514

18

F

666-138

1/4

AA Y,

13430

B

1321375

fo r 5

All

upper

51270

B

5124

4

A 1

HA E

-13 6 1 174

5

51283 H, 3 51257 M 1

3 BQ 6

ew

0 L 1

Ga s

ket

in this mac

some

of

Part

Amt.

1

1 1 1

1

2

2 2

2 2 1 3 1 1 2 1

1 1

2

2 2

1 2

1 1

12536

1

12982

1

13430

1

13430

1

14649

3 1

15 21212

1

1321

21657-4

1

216

1

216

1

21657 216

2 22 5 22519 22524 22528

22528 22537

225

22539

1

22

3

hin

e .

major

No.

Blk.

- 65 11

-201

B-

10

A A

B

D

F

AI-l

57 E 57 w

X

57 y

13 17

H

39 H

R Plug

Quantities,

S Feed

Needle "O"Hing for

Oil Seal

Oil Oil Wick

Oil Wick Oil Wick

Lubricat

Oil

Oil Wick Wed F

Felt

Dowel

Screw for Stop

Washer Washer Nut

Nut

Loclr Nut

Presser

Yielding

Colla

Looper O

Belt Tension

Washer for 523 Tension

Tension Tension Release

S S

Screw for 51244

Screw for 5128 Screw

S

Screw f P

Screw for

the

643-263 660-136 660-169 660-202

660-207

660-212

666 666-1

666-114 666-118

666-138 Felt 666-149

666-170

666-170 666-179

666

666-209 Felt

666-214

667

668-25 Eyelet

719 1740 6042

6042

7947

465

375

25

541 B

parts

iphon 0 1l T 51236

foot bush

511 50, (22586

1244

5

main shaft bear main (90) for

lever

5

1134

666-11

elt

Dis

51273

5635 0 A 51 5

for 51520

1

Spring for

51 5 (22760

for

il Sipho Connection Rin

Separato

Leve Lever Shaf

Leve (225

cre crew for 5127

fe

e d dog

crew for

lu

part

Description

Cr a

nk

Link

ube

(258

Bearing

E

pull

Ring for

lift

e r

lever

ing

Ring for

5

12

0 E 1

R)

Wi ck

for

K

for for rig

for

shaft

bearin

for 52934

ing F

510

4

Wick

for needle for

v

ge

for

1 1

Plu

g

Siphon

c

30

for 51294

for 51241

1/4

20BT-10-l

g

w f

g Screw

Cup

Lint

Filter

for A for

51292

511 5 0,

for

H

for 51135

for

52894

for

Foot

BT-10-

(91)

Section

A)

r f

or 8 (88)

Rocker

29192 D (88)

n

Lock

Guard

(93)

Release

r

Releas

r S

haft Release

t B

r C

onnection

96) or 35731

for

lower

52 357 A

or 53783

Scre

w

52882

numbers,

A)

for

ey

8

ht

ing

left

g

A

elt

0

P

AM R 1 K

81 Shank

1/4

Cone

ing

57 A

e

ushm

g

A

3 A

B

2 AF

N

AD

Amt.

1

2 4 1 2

2 2

2

1

3

5 3 1

1

!.i 1 1 1 1 1 1 1 1

1 1

1 2 2

1

2 1 1

1 2

1 1 1

1 2

2

1

9 1

1 1

2

1

3 2

1 2

2 2

1

2 2

1 1

and

descriptions

Part

No.

22547

c

22548 22548 22557

B

22559

A

22559

B

22559

G

22560

B

22560

B

22564 22568

22569

13

22569

B

22569

B

22570

B

22

571 A

22

571 B

22580

D

22585

A

2258

5 B

22586

R

22588

A

22596

22711 22729

22729

A

22729

B

22729

c

22730 22733

B

227

58 c

22760

A

22768

22768 22768 22798 22799

F

22801 22811

B

22829 22834

22839

2283

9 c S

22

84 8 22848 228

52 S

228

52 A S

2286

3 F

22883

A Plug Screw

22889

A Adap

22889

c

22689

0

2289

4 c

22894

c S

22

894 c Se

2289

4 0 Eccentri

22894

D

2289

4 F

22894

H

22894

J

22

894 T S

2

32

23

T

23

322 M Washer for

are giv

Screw

(5 Screw Screw Screw

Bearing Cap Screw,

lower,

Bearing Cap Screw,

upper, Screw Screw SetScrew Screw

link Screw Screw

housin Screw Screw for Screw

Plug Screw

Plug Screw Set Scr Screw Screw Screw Screw Screw for Screw Screw Screw Screw Screw Screw for Scre

Plug Screw

52 882 L Screw for 53783 Screw Screw for 51236 S

crew

S

crew for

S

crew for 56458

S

crew for 51472

Hi

51 5 S

crew

Screw for 51242

L

f

Needle

Adjusting Screw

Screw for

crew for

S

crew for 539, 51758

Screw for

crew

(5

crew

A

539 Plug S Plug Sc Eccentr

for 291 05 Q

cr

fo r

S

pot

5

Screw for pulley Sc Screw for 5

et Scre

5

Strip Gui

23322

n.

Description

for 5147

1250

C)

for

23437 for 52882 AI!: for

537

for for

for 51216

for

51493

for

needle lev

pin,

lower

for

514

for

bearin

g

for 51282

51493

for

51278

ew

for 5152 for 51282 for

5142

for

660-212

for

52350

216 for 52372 for 51243 for 514 for 51294 for 51294

55241 N

w f

or

51278

(41394

for

13430

for 51244

564

nge S

crew for

20BT-10-l

fo r 5

ock

Nut Screw

or 5174

eed Dog H

1142

1406, 5237

5

Guard

52980

cloth

52882

for 5

1216

N)

for

51242

djusting S

tor Scr

, 51758

crew

r ew

ic

Set

ew for 5127

tS

crewfor52372

c Sp ot Sc

2910

5 Q

Sc r

ew for

52375

c.

rew

for 512

w for

de

AL-l

6

83 29105 2 91

05

52934

50

5 E

57 Y

72

for

58

142

5 E

2934

older

crew

ew

Screw

3 B

42 1247

5

(2 5

1 / 4

V

L

K BP

g Y

All

D

AF

A A

C

B U U

A)

A D B B A

A

1/4

W

A

plate

L D

Y

for

rew

W

C)

Q Q

e r

3

A

Amt.

1

1 1

1

2 2 2

1

1 2 1 2

1 2

1 1

1 5 1

1 1

1

1 4

1 1 1

2

Part 23322

1

1/4

23437

23437 23437 29066

20105

29192 29

348

20476

29476

351780 35178 35731

35766 39158 39158 39582 41394 43139 43266 51034

51054 51054 51134

11

34

51134

11

34

5 51134

51135

51142 511

45

51147 5

115

0

51193

512

16 G

No.

AL -

u

v

w

H

Q

D

y

DR

JN

KS

KT

KU

D

A

G

u

L A A

A

c

J

N

v

HA

p

c

A

X

De

s c r i

ption

Bind

'r

(00,

23322

Bind

e r

Bra

ck t 1

(23437

Binder

(22548)

Lock

23437

Needle

Connecting Rod Ball Joi Assembly (225

Looper

Eccentric Assembly (225

22559 22894

Looper Roc

Assembl

Needle

As

sembly

F e

ed

As

sembl

•

080

Looper

Eccentric Assembly, • 062

inch

Knife

Eccentric Assembly, • 158

inch

Feed

Assembly,

•

158

Crankshaft

Assembl

throw Spring Spring for

Presser

Connection Gui

Plate ( 22513) Screw

Hin

ge

Spr

ing f

Oil

Cap Gasket for Lock

Nut

for

Feed Bar

(88

B)

Li

nk

ev

er

l

F

eed

Feed Bar

Feed Dog

Washer

Spr

ing (HA9 5)

T

aper

Feed Dog Ho

or

f

(258, 51134 J)

Fee

d Rocker Ar

(60

42

5

5235

E cc entric for

294

76 DR (

Eccentr

Assembly

29476 DR, JN,

KS,

Ma in Sha

95

) 1 51254 c

(

Need

St op Collar

O

il Tube

upp

er f

N

eedle Lever

Co

nnect

M)

Mounting W,

43139A)

Slide Blo

Scr

ew

for

U(43139

Lev

er

nt

Dt·ivc

B,

22894

D)

ker

y 1

Leve r

LiftEccentric

y,

lower,

inch

throw

Avo

id 1

throw

Drive

throw LiftEccentric

upper,

inch

throw

y, •

990 inch

for

666-65 666-114

Bar

for

51450

for

51278

or

51278

22733

Nut for

234

51292

Shaft

P in

for

needle

(77,

22564)

Cr a

nk

(77) 1

529 34

le Leve

L i

Shaft

Holder

P in

lde

A, 55235

E )

228

ic B ea rin g 1

for 1

KT

ft

Colla

r Sha ft

( 71 9} 1

for

eed

ba r

R

od

in

g

ck

A)

59 G)

50

A,

C,

de

B

37 W 1

G

nk

r

m

D, 1

94

D)

r

Amt.

28

3

1 1 2

1

1 1

2

1 1 1

1

1 1

1

1 1

2

1

1 1

Part

No.

51216 51216 51216

51221 5

1225

51236

1236

5

51236 51236 51 236 D 51236 51236 51236 51240 5

1241

51242

51242 51242 51242

51242

51242 51242

51242

51243 51244 51244

51244 51244

51

24

4 N

512

46

51

247

51250 51250

51250

5

125

4 D 512 54 J 5

1256

M

Needle

Roller

Washer

N

p

c

w

A

B

E Feed

F G E I

L

M M p

R

s

w

y

z

c

B

K

L

c

D

c

55244 Nut Pulley ( 22894 Was Fe

ed

Link

Looper A void

Ec

centr

Link

51273

Feed

Cap

l"eed

for

Assembly

Feed

for

Fe

ed

(20,

Looper

Rod

Looper

Rod r i

ght ( 12538)

Looper Drive

Rocker

Washer Washer Washer Looper

Lever

Looper

Shaft

middle Looper

Shaft

rea

Loop

(22811

Looper Dri

Rocker 22852A, 51242M)

Looper Drive Lever

Shaft

f

ront

Ball Stud

(22729)

Loop

F

rame (96, 98)

Loop

Sha (22519

oop

L

Loop

Thru

Loop

Cl

amp Colla

(18 ,

Loo

Nu

t

Ma

in

weig

Nut Wa

sher for 22586 R

Gasketf Ne

edl e

Bu

shin

Needle Ba

Bus h

Ne

edle

Co

nne

P

res

Description

Bearin

for

20476

fo

22852,

G,

56315

for

51215

her

for

22 5

Lift Ecc

(77)

Crank

(22768)

Crank

51236

Cran Crank

51236

Crank

82, (18, and

r

er Dri

er Rocker 1 5 er Ro

ft

er Rocke er Rocker

st W

er Rocke

20,

pe r Roc ker Stud

Sha

ht

for 225

in

se r BarS

( 77)

ic

Link

for

( 77)

Stud

Link

E

k Li

Ferrul

E

Stud

269)

Connecting

269)

Connectin

Ball Joi

Thrust

for

22852

for

52841

Drive

Shaft

Drive

Bushin

g,

Dr1v

e Le

Bushin

g,

ve

B, 228

ve

(81,

Bus

hin

g,

Fork

cke

Ar m

H,

22768)

ashe

r

552

44 G)

ft

Counter-

(2289 4

47

or 22586 R Bar g, upper

r

g,

low

Ba r

ch on

entric

Lever 94 Leve

r

rSh

r Shaft

er

pr m g

Amt.

g 1

KU

1

.T

F)

85

nk

Lever

Sha

r

J)

C

1

B

l 1 1 1

1 5

1

1 1 1

1 1

g

nt,

2 1

1 1

A

G

1

ver

1 4

H)

4 51292 c T

r

4 2 2 4

1 1 1

aft

1

ft (22

1 1 1 51 1

1 1

1 5141

1 1 51

1 5 1 1

1

Pat·t

No.

512 57 K 51257

M

51257

AA

5

1270

B

51272

c

51272

D

51273

A

1273

B

51273

D 51278 51278

A C hip 51278

D

51278

G 51280

E 51280

J 51282

y

51282

z

512

82

AE 51282

AF 51283

H

51290

T 51291A 51292

A

512

92

D T ensi 512

92 F

-4 51292 F 51292

5 5129 51294

51294 51294

5129 51405 S- 8 51406 51408

51418

51425

51426

51430 L K

514

-8

G

1294

K

129

4 M 4 p

R

u

w

4 z O

382

A

D-

10

7C

-

12

F

422

E Main Shaft

14

24

S-

10

E X

s

30

Z-

10

Description

Presser Presser

Connection Guide

Presser

Bush

Needle Thread

Tak -up

Blo

Shaft

Blo

Shaft

Upper

Bracket

Upper Knife

Bearm (22894

Upper

Rocker

Chip

Assembly (22730

51278

Sprin

Hin Throat

Support Pin

Dowel

5 Head Head

Needle

Bearing Oil

Oil Reservo

Cover

Pres

and

Re

Main Shaft Bush

middl

Looper Threa d

(98 A)

Te nsi

ension Nut

Eyelet

Tensi

loope r

Tension

needle Tensi Upper Cl O

il

Oil

(7947, Scr

(7947) Oil

Oil Tube for

il

Ga

Lower Fee

(

225

Eccentric for

29476 J I'\

Looper i.\"eedle Bar

Ne e

88

(

Th r oat

eed

(225 85 B ,

Upp

nife Guar

515

(60

Presser Foo

Bottom for

5

Bar Bar

and

( 31)

Bar

ing,

lower

Wire

ck

Guide

Collar

ck

Guide

Colla

Sprin

g

l<nife

Rocker

g S

tud

C)

Knife

Holder

Arm

Guard

for

g ( 22570 B)

ge

for

Plate

P in

2980

ew

sk

1520 BT-10-1 1/

for

A Cov r (22560 Cove

r G

Lev

er

er (90)

ir

( 225 24)

se r Foot L ifte r

Tension

lea

se

L eve r

e

on

P o

st Ferrule on Thre on

Sp r ing, Sp r ing,

on Post

amp

Si phon Tube

Tube Cl

Si p

729

Si p

dle Clamp Coll

er F e

20 BT-10-1 1 / 4

4)

51294 R )

for 51294 hon

A,

hon

et f

or

28) (22

, front

B, 89)

Pla

le

Guar

ed

am p

As s em

22729 B)

Tube Conn.

51282 AF

d Dog

te (87}

d

2280

Dog (

d for

t

(95)

r

Holder

)

5127

8

(258)

asket

Top

Disc

(402) ing,

Guard

ad

P

bly

51273 D

894 T)

ar

1) 93A

4

B)

)

Amt

1 1

4

1 2

1

1 1

I 1

1

1 1 1

1

Part

No

51449 51450

51470 51472

51472 51478

51491 51493 51493

5

1493 51493 51493

51493 51493 51494

51501 51504

51513 51520

10-1 1/4

51523 51530

51745

Low Low

Block(22568,

Upp

A

Upper

(22798)

B

Upper

(22729)

Front

Chip (22547

Lead-in

c

Eyel

D

Oil

Shaft

E

Driving Shaft

AG

Oil

(22569

AH

Oil

Cover

BK

Lint Fil

BP

Pump

(22560

BQ

Pump

(531)

E

Oil

and lift

A

Cloth

22839

Cast-off

D

Looper

29192

BT-

Presser

Take-up

22580

H

Yielding Section

51520

Looper

Stud (258

51246)

De

scription

er

Knife

er

Knife Holder

35766)

e r

Knif

e 22528)

Knife Shield

Knife Clamp

Cover

and

Guard

Latch

C,

51250

Thread

et

Pwnp

Driving

Pump Pump

Driving Gear Driven

Tube

lower

eccentric

Plate

Gear

Housing

B)

Housing

(225

69

ter Screen B)

Gear

for

upper

feed

(80,

C)

Plate

Rocker

B)

(28)

D 1

Foot (96,

D)

BT-10-1

for

A,

Rocker

Cone

29192

22829,

Amt

C)

for

for 1/4

D 1

Part

No

1

51758 51909

1

52350 A

1 1 52357 A

1

52372

1

52372

2

52373

I 52841 G 1

5284I

1

52882

1

52882

1 1

52882 52882

1 1

52882 52882

1

52882

1

52882

1

52883

1

52883

2

52890 c

52891 B

c

A

J L

M

p

u

y

AA

AC

AD AE

R

s

Description

Frame Thread

(20,

22848,

Looper, back

Knife Hold

(22588

Cast-off

Plate

Upper

Block

Upper

Block (22711,

Bushing

Locking Stud

51242 y (52841

Nut

Oil

Cover

22848, Gasket Ga

sket Gasket Baffle Oil Spring Chamber

(22

Crank

Cover

Presser

Lever

Presser

Lifter Crank

Ma

in Sha

left

Crankshaft

i

ncludes

(22569

er

A)

Support

(21657 Knife

Knife Guide

22894

for

5284

Reservoir

(22733

41394 for for for

Plat

Drip

Plate

for

Cover

541 B)

Chamber

(22

548)

Foot

Bushin

Foo Lever Sprin

ft

and rig

bushing

B)

52882 52882AD 52882AE

e (90) 52882

Bushing,

ht

Housing,

Eyelet

22889A)

Plate

E,

Hold

er

Hold

er

Coll

ar

C)

51273A

for

J)

1 G

Back B, A)

L

AD

Lifter g

t

Bell

g

Amt

3 1

1

1 1

1 1 1 1

1 1

2 2

1

1 1

1

2 2 1

1 1

1 1 1 1 1

Part

No

52894 52894

52894

52934

52934 5

2934 52934 5

2934

5 5293 5

5

2936

2944

5

52944 52980 53783 53783

53783

55

235 23

5 E

55 55241 N

55244 5631 5

56341 563

50 A

56354 A

56356 56382 56390

6458

5 56458 92127

O

AB AK 0

AM

Oil

Main

A

Upper

B

Upper

c

Upper

D

Top

E

Lubricat

F

T

u

A A Li L

M

N

D

Screw

G

Looper

G

Spring for

Presser Spring

X

E

A

Needle Set

Description

il

Tube Tube

Tube

Feed

fter

for

Screw

joint joint

A)

Feed

52,

Rocker

22839)

37)

Ball

(18)

(18,

Holder for

looper

and

left

(88)

for

right

(258 A,

Bar

B)

Feed

Bar

Feed

Bar

Feed

Bar

Holder

51216

ing

Felt

(92127)

ker

Shaft

g

ker

g,

right

Rocker

g,

middle

Plate

Suppor

Lever

Link

C)

Foot

Lifter

Bell

Crank

B)

Foot

Lifter

Connectin

Foot

Lifter

internal

for

51135

P

Connectin

Joint,

Shaft

Collar

51216

Lever

51241 K

Lever

Stud

Lever Link

Post

Bear

Threa

(22768)

Bar

Thread

for

52935

11

rocker

ball ball

6042 (22560

Arm Stop (228

Lubricating Felt

Guard Feed F

eed Roc

Bushin

Looper Roc

Bushin left

Looper

Bushin

Throat

(80, (402, 227 58

Presser

Lever (22557

Presser

Lever Rod

Presser

Lever, (22 5

Nut Looper

Rod left

Stud Needle

Needle

(719)

Needle

Regulator

Tension

Support Crankshaft

Housing Gasket

Needle Lever

Eyelet Eyelet

(90)

N)

Shaft

and

Shaft

g

P

g

N)

ng

d

NOTE:

Numbers parts.

in

parentheses

following

parts

description

indica

te

the

screws,

nuts,

etc.,

used

to

attach

or

hold

these

IIIII

22528

51405 S-8

51426

22585 B

s

93 A

...

51225 w

0

51425 E

51

22580 D

lk

.

r-

·-·-.

13430 B

...

•

51430 Z-10 !

51424

S-10

9

/ 22760 A

13430 D

4

-

--v,..·--

51408 D-10

j

•

H

...

28

-

51909

.&

c

52357 A

51523

22528 21657E 2

,---

~

88

B

51418 F

........

/

--

51520 BT-10-1

1/4

(2)

(

2)

22548

f • •

/"\

80

l

52980

A

(2)

~-'-'-'"

v

23437 v

(

2)

25 c

(

2)

90

23322

M

23437 u

0

43139

A

(

2)

22730

23223

T

51273

D

56458

2§!_.,.,

l..5n

51278

ZQ

22889A,

51282

z

51236E

~

512360 51236F

660-169

(2)55235E

(2)552350

22852

52934C

(BRASS)

51134N

666-47

666-138

IL

Screw

29476DR

52934B

228940

29476KT

51145A

51236A

77

Union Special is

redu

ce

your system to and a part s inve Machine Maintenance Records

up your

Union Special suggests two variations

record keeping system using cards provided by Union Specia

(Form required, the card is and the ir cost are entered in the s

help spot machines requiring abnormally high maintenance,

Repair-prone

maintenance dollars in short order. To help spot these problems,

The first system utilizes a

237) for

.....

The second system is

on repair costs is desired. Two record cards are used; a

Request Card

233). When a machine requi

out the

top

fills in the time the repair

off

sewing machine maintenan

............

ering two practic

ntory

system to speed rout ine repairs.

ma

chines

or

inexperi enced competent operators

..

ea

ch sewing machine in a plant. When a repair is

pulled

...

·~-·

Machine Maintenance Record

from

MACHIN K MAINT.NANCl RE

• n

LI

I

·

..

~

fO

"""'

•·

'"

normally

..

(Form

234), and a

of a ..

Repair Request Card

re

work

al

systems to he

ce

costs: a record keeping

of

a simple maintenan

the file and the repair date, parts used,

pa

ces provided and the card is refiled.

CORD

. IRIAl.

"

...

.......

11:

-

Lb

l.

31-

~t'\

~

80

te0

tf\&\0

·

oe

.

~

··

~

f=

used when more detailed i

..

Machine Repair Record

s servicf', the forelady

..

is started, the parts used and their cost,

and gives it to a mechanic. He

HO

...

~e

-.

---

lp

. J

or

pinpoint and

..

I:I

Uif'

~

-·

~

nformation

..

Repa

..

foreman fills

and the c

..

to reduce needless maintenance costs .

can

eat

abnormally high maintenance, it does

ce

l.

card

-

caused by routin e repairs. To alleviate this situation, Union Special

recommends that manufacturers establish a formal parts inventory system for

be eliminated with an orderly in-plant inventory needed parts. There is for downtime is kept to a when the overall savings are considered.

--

ir

(Form

inventory local Union Special Representative

ompl

Machine Repair Record

Whichev er system is used, management now

Repair

While record keeping tells management which machines require

Excessive machine downtime and wasted hours by mechanics can

spare parts.

For

etion time. This data is then transferred to the permanent

Part

Inventories

ea

ch type

Long

MACHINE REPAIR A&:C

~o~•a•

• •

M•u

.r

_,.

-.:s•

=-

fO~t'\

- .

-

tf\8~"'"

=-

- ·

free sample copies

lists

for

..

kept in the office.

little to help reduce the

of

sewing mach ine they operate.

no

longer a need to cannibalize other machines

waits for deliveries are avoided and machine

minimum

OAO

~"'I"

~'3'3-

it

e~el'a

a variety

. The cost

CARD

:::M...

·

0UK

J

...........

·-

I

-

~

m

~e~otd

of

the machine record cards and spare part

of

the most popular machines, contact

Oooo

l'-

1 "

i'llf

~

d '

=--

~at

-

·

-

=l

fi

T-COM"'•uo

-c.MAMIC:

or

write direct

ha

s an invaluable tool

of

the most

of

a parts inventory is small

..

...

Rllf"AIR RllQU

···-···

......

•••

·

fO~t'\

~el'~

iii.TAII11 D

EST

.

....

...

.

..

· -

PAAT

8 USI D

-·

~'3A-

·

t~eque

I ..o

__

-

--

to

CARD

t

"

OM

----

Union Special.

·-

ca

td

- , -

----

--

downtime

commonly

~

1-

=

·

,-

I=

11-

-

i= I=

1-

I= I= I=

your

Part

Number

51520BT-10

1 114 51405 22528 51426 93 51424 87 128 51408 D-10

S-8

s

A

S-1 0

GAS

Description

Presser Lower

Upper

Throat

Needles Looper, fr.ont

feed

Screw

feed

Screw

foot

for

plat~

for

(specify

dog

lower

dog

upper

throat

feed

dog 2

feed

dog

plate

size)

Minimum

Per 5

Quantity

Machines

1 1

1

2

1

4

200

1

•

Style

Part

Number 51909

51449 51470 73

88

B 22564 22729 22588 2122

29484

c

A

5-1/ 8

51500

Suggeated

Minimum

Description

Looper, rear Knife,

lower

Knife,

upper

Looper

set

Need

le clamp

Needle

bar clamp Upper kni Lower Looper Screw

fe

knife

gauge

assortment

Spare

screw

clamp

scr

clamp screw

BT

Parts

Minimum

ew

-10-1

Uat•

Per 5 Machines

Quantity

1 4 4

6

2

1 1

\

• The parts and quantities listed above are intended to assist you in setting up the can

only be established according to actual usage. The nature

sewing operation

initial inventory

wi

ll

determine actual usage.

of

spare parts. An efficient inventory

of

the

Helpful,

cient machine sewed

ales esting, obligation

authoritative

types of

Promotion

illustrated

are the

information

equipment

article

is

Department.

bulletins

following

for

available

Among

that

:

on

the

making

from

are available wi

virtually

Union

the

many

most

Special

effi-

any

inter·

thout

HERE

ARE

HELPFUL

No.

240,

"Men's,

No.

249,

"Rainwear"

No.

250,

"Men's

No.

251,

"Service

No.

252,

"Men's

No.

253,

"Overalls, Coveralls, and Dungarees"

No.

254,

"Men's

No.

256,

"Knit

Outerwear"

No.

259,

"Men's

No.

260,

"Work

No.

262,

"Cotton,

Bags"

No.

263,

"Men's

No.

264,

"Men's

No.

265, "Women's Wear"

No.

266,

"Women's

No.

26

7, "Corsets,

No.

268,

"Children'

No.

269,

"Mattresses,

Upholstery"

No.

271,

"Awnings, Can

No.

273,

"Curt

ains &

No.

610,

"Kiipp-it"

No.

710,

"MCS

ForMation

No.

730,

"MCS

Automatic Dual

Hemmer"

No.

740,

"MCS

Automatic Rib-Knit

No.

750,

"Fusing

No.

1100,

"Lew

is

s

titch

, Machine

No.

1105,

"Butto

"Columbia i

ng

Machin

No.

Blindstitch,

es" '

1500, "Alteration

Women's,

Dress

Shirts

Shorts

Knit

Sports

Gloves"

Burlap,

Clothing"

Women's,

Wear

Girdle

s Wear"

Presses"

Blindstitch,

n Sewers-Tick

Children's

Shirts"

and

and Pajamas"

Underwear"

Shirts"

Jute,

Children's Jackets"

And

s, Brassiere

Slip

Covers, F

opies,

Drapes"

Unit"

s"

Saddle

Department

Footwear"

Pants"

and

Multiwall

High Fashion"

s"

urniture

Tent

s, Ta

rps"

Underfront

Cuff

Chains

titch,

et

Tackers"

Stitch, and

Mach ine

Shirt

Machi

Lock·

Tie

s"

Paper

ne"

Clo

BULLETINS

TO

HELP

SEWING

s-

and

YOU

CATALOGS

SOLVE

PROBLEMS

UNION SPECIAL

fiNlST

OUAUTV

CORPORATION

,..o

...

~

...

Q

WORLD'S

".

l f

FIIEIT

QUALITY

*

INDUSTRIAL

SEWING

MACHINES

UNION

SPECIAL

maintains sales

and facilities throughout the world. These offices aid

you

in

the selection of the right sewing

equipment for your particular operation. Union

and

Special representatives

and

is

Check with

ILL.

Y.

PA.

and

a Union Special Representative to

tory trained promptly tion, there serve you.

ATLANTA, GA. BOSTON, MASS. CHICAGO, DALLAS, TEXAS LOS ANGELES, CAL. NEW

YORK, N.

PHILADELPHIA,

are

efficiently. Whatever your loca-

service men

able

to serve your needs

him

today.

MONTREAL, TORONTO, CANADA

BRUSSELS, BELGIUM LEICESTER, LONDON, PARIS, FRANCE

STUnGART,

service

will

are

fac-

CANADA

ENGLAND

GERMANY

Representatives

industrial

UNION SPECIAL

.400

N.

FRANKLIN

r

and

cities

dlatrlbuton

throughout

ST.,

In

all

Important

the

world.

CORPORATION

CHICAGO,

ILL.

60610

Union Special 51500BT User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual