Union Special 513, 514, 515, 517, 519 Manual

CATALOG	NO.
WH5OM
Fn st Edit	on

CLASSES

513 514 515 517 519 527 528

	Adjusting	instructions	and
	illustrated
		parts list

50M	Classic	Series
Streamlined		flat bed	machines

Finest

Quality

.

		.
ndustnal	S€wing	Equipment

From the library of: Superior Sewing Machine & Supply LLC

CATALOG

NO.

WH5O1

ADJUSTING INSTRUCTIONS

AND

ILLUSTRATED

PARTS

LIST

FOR

50M

CLASSIC

SERIES

-

STREAMLINED

FLAT

BED

MACHINES

513—11 513—12 513-13 514—21 514-22 515-21

STYLES

515-22 517—21 519—31 527—21 527—22

527—23 527—24 528—21 528—22 528—31 528-32

First

Edition

Copyright

1982

By

Union

Special

Corporation

Riohts

Reserved	in	All	Countries
Printed	in	U.S.A.

June,

1982

2

From the library of: Superior Sewing Machine & Supply LLC

is

Each	UNION		SPECIAL
stamped in		the		style

	IDENTIFICATION			OF	MACHINES
machine carries		a	style		number,	which on	this class
plate	located to		the	right front		of the	machine.

machine

of

The serial machine.

number

is

stamped

in

the

extension

of

casting

at

the

right

rear

base

is

The

distance

between

the

rows of

stitches on machines

in

all

Classes

represented by

a

gauge

number

measured

in 1/64ths

of

an

inch.

Thus, 12

presents

a

distance

of 12/64

or

3/16

inch.

Similarly,

64

gauge

represents

of

64/64

or

1 inch.

except		513
	gaucie	re
a	distance

STYLES

OF

MACHINES

IN

CLASS

513

Streamlined			Flat
Needle		Bar	Drive
matic		Lubricating
mum	Work Space to

Bed, One

Needle,

Light

Weight Presser

Bar

Mechanism,

Light

Weight

Mechanism, Medium

and

Heavy

Duty,

Single Reservoir

Enclosed

Auto

System,

Filter

Type

Oil

Return Pump,

Lateral

Looper

Travel,

Maxi

Right of

Needle

Bar

8

1/4

Inches.

513-11	Medium		duty,
SSa-1.		Type	128

for	seaming
GAS	needle.

trousers,		coats and
Maximum	recommended

similar aarments; speed 5500 R.P.M.

seam

Type

513-12	Same as
sewing parts.

513-11

except

equipped

with

feeding

presser

foot

and

comparable

513-13	Heavy		duty,	for		binding		mattress	ticks and similar
BSa-1.		Type	126	GS	needle.			Uses selvage		edge binding,
Maximum		recommended				speed	5500 R.P.M.

operations;		seam
standard	width		3/4

Type

inch.

STYLES

OF

MACHINES

IN

CLASS

514

Streamlined

Flat

Bed, Two

Needle,

Left

Needle in

Front,

Independent

Row, Light

Weight

Presser Bar

Mechanism,

Light Weight Needle

Bar Drive Mechanism, Light

and

Medium

Duty,

Single

Reservoir

Enclosed

Automatic

Lubricating

System,

Filter

Type

Oil

Return Pump,

Lateral

Looper Travel,

Maximum

Work Space to

Right

of Needle Bar

8

1/4

Inches.

514-21	(12	ga.)
514-22	(16	ga.)
sleeves of
Type		LSc-2.

Light	duty, for	piecing		sleeves, joining		shoulders and			setting
ordinary quality		light	weight shirts and			similar		garments; seam
Type	108 GHS needle.			Maximum	recommended		speed	5500	R.P.M.

STYLES

OF

MACHINES

IN

CLASS

515

Streamlined		Flat	Bed, Two
anism,	Light	Weight Needle
matic	Lubricating		System,
mum Work Space to			Right of

Needle,	Independent Row,				Light Weight		Presser Bar	Mech
Bar Drive		Mechanism,		Heavy		Duty, Single Reservoir			Auto
Filter	Type	Oil	Return	Pump,		Lateral	Looper Travel,		Maxi
Needle	Bar	8 1/4 Inches.

515—21	(16	ga.)
515-22 (18		ga.)
ments,		left
recommended

For	felling			overalls,
needle		in	front;		seam
speed		5300		when	sewina

coats,			combination		suits		and	similar gar
Type		LSc-2.		Type	128	GAS	needle.		Maximum
7	S.P.I.;			5500 when		sewing		10-14	S.P.I.

3

From the library of: Superior Sewing Machine & Supply LLC

STYLES

OF

MACHINES

IN CLASS

528

(Continued)

528-21

(8

ga.)

528-22

(12

ga.)

Two

needle

four

thread

interlock

machine,

for attaching collar

ettes

to

knitted

undergarments,

and

for

similar

operations

on

light

to

medium

weight

material.

For

use

with

lona

length

flat

knit

or

ribbed knit

strip cut

at

right

angle

to

the

wale

or

parallel

with

the

wale.

Wrench

adjusted

offset

differential

feed.

Constant strip

tension.

Seam

specification,

602-BSb-1.

Type

121

GS

needle.

Standard

finished

width 1/2

inch.

Maximum

recommended

speed

5000

R.P.M.

528-31

(16

ga.)

Three

needle

five

thread

interlock

machine,

for

single

operation

crotch

seaming,

and

for

similar

operations

on

medium

to

medium

heavy

weight

material.

Wrench

adjusted

tandem

differential

feed.

Seam

specification,

605-FSa-1.

Type

121

OBS

needle.

Maximum

recommended

speed 5000

R.P.M.

528-32

(16

ga.)

Three

needle

five

thread

interlock

machine,

for

attaching

collar

ettes

to

knitted

undergarments,

and

for

similar

operations

on

light

to

medium

weight

material.

For

use

with

long

length

ribbed

knit strip cut

at

right

angle

to

the

wale

or

parallel

with the

wale.

Wrench

adjusted

offset

differential

feed.

Constant

strip

tension,

Seam

specification, 605-BSa-1.

Type

121

GBS

needle.

Standard

finished

width

1

inch.

Maximum

recommended speed 5000

R.P.M.

NEEDLES

of

Each

needle

has

both

a

type

and size number.

The type

shank,

point,

length,

groove,

finish

and

other

details.

on

the

needle

shank,

denotes

the

largest

diameter

of blade,

shank

and

eye.

Collectively,

type

and size

number

represent

which

is

given

on

the

label

of

all

needles

packaged and sold

number denotes the kind
The	size	number,	stamped
measured		midway	between
the	complete symbol,
by	Union	Special.

To	have		orders promptly			and	accurately		filled,
sample	needle, or the			type	and size number
									should	be
packages.		A	complete	order		would	read as	follows:
080/032”.

forward		the	empty package,
given.		See	description		on
“1000	Needles,			Type 121	OS,

a

Size

by		The	type	numbers of		the
	this catalog are				olven	in
able,		but	the	ones	indicated
results.			The	type	numbers of
tion,		and	the	sizes	available

needles

recommended for

each style

of

machine

covered

the

machine

style

description.

Other

needles

are avail

are those

recommended

to

produce the

most

satisfactory

the

recommended

needles,

together

with their

descrip

are

listed

below:

Type		No.
108		OHS
108	GKS

						Description
	Round	shank,		round	point,	extra short, double			groove, struck	groove,	ball
	eye,	spotted,		ball
					point,	chromium	plated -	sizes 070/027, 075/029,
	080/032,
			090/036,		100/040,	110/044,	125/049.
	Round	shank,		round	point,	extra short, double			groove, struck	groove,
	oversize		ball	eye,	spotted, chromium plated				sizes 080/032,
										090/036,
	100/040.							-

121

OS

Round	shank,	round

plated -	available
100/040,	110/044,

point,		short, double			groove,		struck
in	sizes		065/025,	070/027,		075/029,
125/049,			140/054.

groove, 080/032,

chromium 090/036,

From the library of: Superior Sewing Machine & Supply LLC

121

126

128

147

GBS

GS

GAS

GKS

NEEDLES	(Continued)

Description

Round

shank,

round

point,

short,

single

groove,

struck

groove,

spotted,

070/027,

075/029,

ball

point,

chromium plated - available

in

sizes

065/025,

080/032,

090/036,

100/040.

Round

shank,

round

point,

short,

double

groove,

struck

groove,

ball

eye,

054.

chromium

plated

-

available in sizes

080/032,

100/040,

Round

shank,

round

point,

short,

double

groove,

struck

aroove,

ball

eye,

090/036,

100/040,

spotted,

chromium

plated

-

available

in

sizes

080/032,

110/044,

125/049,

140/054,

150/060,

170/067.

Round

shank,

round

point,

long double groove,

struck

groove,

oversize

ball

plated

eye,

spotted, short point,

standard

eye

and grooves,

chromium

-

sizes

090/036,

100/040,

110/044,

125/049,

140/054.

Selection

of the

proper needle

size

should

be

determined

by

the

size

needle

eye

in

order

to

produce

a

pass freely

through

used.

Thread

should

formation.

ORDERING

REPAIR

PARTS

of thread

good stitch

ILLUSTRATIONS

This catalog

has

been so

arranged

as

to

simplify

the

ordering

of

repair

parts.

are

shown

so

that

the

parts

Exploded

views

of

the

various

sections

of

the

mechanism

page

opposite

the illus

in

.

On

the

may

be seen

in

their

actual

position

the machine

their

part

numbers,

descriptions

tration

will

be

found

the

listing

of

the

parts with

being

.

view

and

the

number

of

pieces

required

in

the

particular

shown

The

numbers

in

the

first

column are

reference numbers

only

and

indicate

should never

position

of

that

part in

the

.

The

reference

number

illustration

second

.

in

ordering

parts.

Always use

the part

number

shown in the

column

the be

used

	Those		component	parts		of sub-assemblies
indicated			by the fact		that	their	descriptions
the	main			.	Example:
		sub-assembly

which are

can be	furnished
indented	under	the

for repairs description

are of

65 66 67 68 69

29105 22559 22559 22894 22894

Z A B C D

Looper Drive	Eccentric		Assembly,
Bearing	Cap	Screw,	lower
Bearing	Cap	Screw,	upper

Eccentric	Set	Screw
Eccentric	Spot	Screw

for

Class

513

1 2 2 4 1

	It	will	be
are	not	listed.
individually			is

noted		in the	above		example			that
The		reason	for	this		is	that		the
not	recommended			and		the	complete

the eccentric,		ball
replacement	of	any
sub-assembly	should

stud		and	bearing
of	these		parts
be		ordered.

In those cases

where a

part is

common

to

all of

the

machines

covered

by

this

However,

when

the

catalog,

no specific

usage

will

be

mentioned

in

the

description.

will

be

mention

specific

usage

parts for

the various

machines

are

not the

same,

the

the

illus

ed in the

descriptions

and,

if

necessary,

the

difference

will

be

shown in

tration.

6

From the library of: Superior Sewing Machine & Supply LLC

ORDERING

REPAIR

PARTS

(Continued)

in		At	the back of	the	book	will
	the		illustrations, which			will
tion		when only the		part	number is

be found facilitate known.

a

numerical		index		of all	the		parts	shown
locating	the		illustration			and descrip

IDENTIFYING

PARTS

some

Where the

construction

permits each

part is

stamped with

its part

smaller

parts and on

those where the

construction

does not permit,

cation

letter

is

stamped

to

distinguish

the part

from

similar

ones.

number.		On
an	identifi

they

All	part
appear.

numbers

represent	the		same	part,	regardless
USE		GENUINE		REPAIR PARTS

of

the

catalog

in

which

Success		in		the	operation				of these	machines
genuine	UNION	SPECIAL Repair						Parts as
										furnished
subsidiaries		and		authorized			distributors.				They
approved
	scientific				principles				and made with the
efficiency and
			durability			are			assured.

can	be	secured only		by the use of
by	the	Union	Special	Corporation,its
are	designed		according to the most
utmost		precision.		The maximum

TERMS

ments		Prices		are strictly net		cash	and	subject		to	change
		are	forwarded		at the buyer’s		risk		f.o.b.	shipping
are
	insured			unless	otherwise	directed.			A charge		is made
surance.

without	notice.		All		ship
point.	Parcel		post	shipments
to cover the		postage			and	in

must bolt

OILING	AND	THREADING	INSTRUCTIONS

The

oil

has

been

drained

from

the

machine before shipping

and

the

reservoir

be

filled

before

beginning to

operate.

Use a straight

mineral

oil

with a Say-

viscosity

of

90

to 125 seconds

at

1000

Fahrenheit.

the	Oil		i	filled		at
	sight		gauge		on	the
between		the		red	lines

the	spring	cap

front		of the
on	the	gauge.

in	the	top cover
machine.		The	oil
The	capacity		of

and	the		level	is
level		should		be
the	oil		reservoir

checked at
maintained
is	12 ounces.

main

The	machine	is	automatically	lubricated

reservoir	filled	is	necessary.

and

no

oiling

other

than

keeping

the

	ed.	A	daily		check		before	the morning start
		Oil which				has	gone through the		machine
	main
		reservoir				making too		frequent	oilings
	reservoir			may
						be drained		at the plug screw
	handwheel.

should		be made		and oil		added if			requir
is
	filtered		and		pumped	back		into	the
unnecessary.			Excessive			oil		in the main
in	the main
			frame		directly		under		the

and er

Figure

1

shows

the

manner

in

which

three	needle		machines are threaded
threading		of	the various classes is

a	two needle	machine		is
in	substantially		the	same
indicated in		the	inserts.

threaded. manner.

Single The loop

Three ines

Figure		2	shows	the manner	in
needle			machines are threaded
are	basically			threaded in	the

which		a	two	needle	Class 528 machine is
in
	substantially				the		same manner.	Class
same		manner		without		a	spreader thread.

threaded. 527 mach

7

From the library of: Superior Sewing Machine & Supply LLC

NOTE:

This section

niach i nes

reflects

adjusting

instructions

applicable

to

Class

527

and

523

1.

2.

3.

Set

the

left

main

shaft so

that

the

take-up has equal

clearance on

each

side of

the

shield.

The

space

should

be from

.008

to

.010

inch.

In Class 627

machines,

with

looper

at

EXTREME

RIGHT

end

of

travel,

the

looper

point

should

be

set

1/4 inch

from center line

of

right

needle

for

No.

8

qauge,

7/32

inch from

No.

12

gauge

and

3/16

inch

for

No.

16

gauge

machines.

This dim

ension

should

be

7/32

inch

for

all

Styles

and

gauges

in

Class

528.

Set

the

needle

bar

so

that

the

top

of

the

left

needle

eye

is

3/64

inch

below

the

looper, when

the point

of

looper,

movina

to the

left,

is

even

with

the left

side

of

this

needle.

4.

5.

6.

7.

8.

9.

10.

When

the

looper

moves

to

the

left,

and

its

point

is

even

with

the center

of

the

right

needle,

there

should

be

a

space of

.005

inch

between

the

needle

and

loop

er.

Recheck

the

position

of

the

needles

with

respect

to

the

back of

the

looper.

If

machine

is

fitted with

a

looper

needle

guard

it

is

set

correctly

when

it

moves

to

the

left

and

barely

touches

the

front

of

the

riqht needle.

It

will

then

deflect

the

left

needle

toward

the

rear,

keeping

it

close

to

looper

point.

Set

the

feed

doq

so

that

the

tips

of

the

teeth

are

parallel

with

and

3/64

inch

above

the

throat

plate

at

high

point

of

travel.

Adjust

the

supporting

screw,

under

the

feed

dog,

to

maintain

this

setting.

On

Class

527

machines,

space

the

feed

dog

in

the

throat

plate

slots

so

that

there

is

a

clearance

of

at

least

1/64

inch

at

all

points

and

the

rear

teeth

pass

beyond

the

rear

of

the

presser foot.

This

is

accomplished by

loosening

the

screws

which

clamp

the

feed

rocker

arm

to

the

feed

rocker

and

movino

the rocker.

On

Class

528

machines,

set

the

differential

feed

control

to

secure

the

maximum

stroke

by

moving

the

stud

in

the

feed

rocker

segment slot

plate as

high as

possible.

Space

the

feed

dogs

in

the

throat

plate

slots

so

there

is

equal

clearance

at

both

ends

of

the

feed

stroke,

This

is

accomplished

by

loosening

the

screws

which

clamp

the

feed

rocker

arm

to

the

feed

rocker

and

moving the

feed

dog.

A

clearance

of

at

least

1/64

inch

should

be

allowed

at

all

points,

and

the

rear

teeth

must

pass

the

rear

of

the

presser foot.

Draw

the

needle

and

looper

threads

into

the

machine

and

start

operating

on

a

piece

of

fabric.

Refer

to

applicable

threading

diagram.

Machine

equipped

with

spreader

should

sew

perfectly

without

spreader

thread.

The

looper

thread

take-up

is

not

spotted

on

the

main

shaft

and

consequently can

be

set

to

compensate

for

varying

conditions.

It

is

set

correctly

when

the

loop

er

thread

is

just

cast

off

the

highest

lobe

of

the

take—up

when

the

points

of

the

needles

are

clearly

visible

below

the

under

side

of

the

looper.

The looper

thread

eyelets

located

on

the

take-up

cast

off

plate

are

adjustable

and

their

setting

determines

the

amount

of

thread

pulled

off

by the

take-up.

Moving

them

to

the

rear

causes

more

thread

to

be pulled

from

the

cones

and

moving

them

for

ward

causes

less

thread

to

be

pulled.

They

are

set

correctly

when

the

looper

thread

just

becomes

taut

as

the

looper

reaches

its

extreme

position

to

the

left.

The

retaining

finger

controls

the

amount

of

slack

thread

in

the

system

and

it

is

set

correctly

when

it

prevents

the

looper

thread

triangle

from

being

wiped

under

the

blade

of

the

looper

when

the

looper

moves

from

right

to

left.

13

From the library of: Superior Sewing Machine & Supply LLC

From the library of: Superior Sewing Machine & Supply LLC

>

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From the library of: Superior Sewing Machine & Supply LLC

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From the library of: Superior Sewing Machine & Supply LLC