UnionSpecial 51300 Series Feuille d'instructions

FINEST

QUALITY

STYLES

51300KK

51300

CATALOG

N0.266

INDUSTRIAL

SEWING

LEWIS

•

COLUMBIA

MACHINES

CLASS 51300

STREAMLINED

DOUBLE

LOCKED

STITCH

MACHINES

WITH

THREAD

UNDERTRIMMER

CHICAGO

From the library of: Superior Sewing Machine & Supply LLC

Catalog

No.

266

( S

p 1e m e n t t o C a t a 1o g

•

249

)

INSTRUCTIONS

FOR

ADJUSTING

AND

OPERATING

LIST

PARTS

CLASS

51300

Streamlined

Lockstitch

Styles

51300

First

Edition

1970

Union

Special

Machine

Co.

Rights

Reserved

All

Countries

MACHINE COMPANY

INDUSTRIAL

SEWING

MACHINES

CHICAGO

Jp.nuary

1970

From the library of: Superior Sewing Machine & Supply LLC

,-------------

From the library of: Superior Sewing Machine & Supply LLC

IDENTIFICATION

MACHINES

Each

Union

Special

machine

identified

Style

number

which

stamped

into

the

name

plate

the

machine.

Style

numbers

are

classified

standard

and

special.

Standard

Style

numbers

have

one

letters

suffixed,

but

never

contain

the

letter

"Z".

Example:

"Style

51300

KK".

SpecialStylenumberscontaintheletter"Z".

When

only

minor

changes

are

made

standard

machine.

a "z"

suffixed

the

Standard

Style

number.

Example:

"Style

51300

KKZ".

Styles

machines

similar

construction

are

grouped

under

class

number

which

differs

from

the

style

number,

that

contains

letters.

Example:

"51300".

APPLICATION

CATALOG

This

catalog

supplement

Catalog

No.

249

and

should

used

con-

junction

therewith.

Only

those

parts

which

are

used

Styles

51300

and

but

not

used

Styles

51300

CC,CD

areillustratedandlistedat

the

back

this

book.

For

clarity.

certain51300

CC,CD

parts

are

showninphantomto

help

locatethe

51300

and

parts.

NOTE:

When

ordering

repair

parts

always

use

the

part

number

listed

the

second

column.

Opposite

the

illustration

page.

parts

are

identified

detail

number.

part

number.

description,

and

amount

required.

Adjusting

and

operating

instructions

for

Styles

51300

and

are

similar

those

Catalog

No. 249

for

Styles

51300

CC.CD

respectively.

The

only

instructions

included

this

catalog

are

the

ones

that

are

different

from

Styles

51300

cc,

are

additional

instructions

that

pertain

specifically

Styles

51300

and

KL.

The

catalog

applies

specifically

the

Standard

Styles

machines

listed

herein.

can

also

applied

with

discretion

some

Special

Styles

machines

this

class.

Reference

direction.

such

right,

left,

front.

back,

etc

.•

are

given

from

the

operator's

position

while

seated

the

machine.

Operating

direction

handwheel

toward

the

operator.

From the library of: Superior Sewing Machine & Supply LLC

Adjuttinl Instructions

Description

Machines

Streamlined

Flat

Bed.

Single

Needle

Medium

Duty

Machine

with

"KLIPP-

IT"

(under-

trimmer)

for

use

with

Needle

Positioner.

Enclosed

Oiling

System.

Reverse

Feed

and

Back-

Tacking

Mechanism.

Needle

Bearing

Needle

Bar

Drive,

Light

Weight

Presser

Bar

and

Light

Weight

Needle

Bar

Mechanism,

Equipped

with

Light

Weight

Handwheel,

Oil

Pan

Assembly

and

Head

Oil

Siphon

Assembly.

51300

For

seaming

and

hemming

dresses,

skirts.

shirts,

towels,

sheets.

curtains

and

similar

operations

light

medium

weight

woven

material

where

controlled

back

tacking

required.

51300

For

seaming

pants,

dresses,

skirts;

for

hemming

shirts,

towels,

curtains

and

similar

operations

medium

weight

woven

materials

where

controlled

back-tacking

required.

NEEDLE

LEVER

STUD

Check

the

location

the

needle

lever

stud

with

respect

the

oil

groove.

The

head

the

needle

lever

stud

marked

with

arrow

and

the

word

•

These

studs

are

set

correctly

when

the

arrow

points

vertically

up.

Also,

check

the

position

the

oil

tube

inside

the

arm

casting

which

lubricates

the

needle

lever

stud.

Make

sure

that

tilted

downwards

and

that

its

delivery

end

contacts

the

wall

the

bed

casting

just

above

the

notch

the

needle

lever

thrust

collar.

not

allow

the

oil

tube

rest

the

needle

lever.

LUBRICATION

Clean

the

machine

thoroughly.

Fill

oiling

system

first

red

line

the

oil

sight

gauge

front

the

machine

and

oil

all

bearings.

Run

machine

slowly

for

minute

allow

the

oil

wicks

carry

the

oil

the

bearings.

Then,

repeat

the

oiling

and

run

the

machine

higher

speed.

Inspect

oiling

system

for

leaks.

Wipe

surplus

oil,

particularly

around

the

take-up.

Oiling

diagram

No.

PL616

available.

CAUTION!

Oil

has

been

drained

from

the

main

reservoir

before

shipment,

the

reservoir

must

filled

the

proper

level

indicated

oil

gauge

before

beginning

operate.

RECOMMENDED

OIL

Use

straight

mineral

oil

Saybolt

viscosity

200

250

seconds

100°

Fahrenheit

the

main

reservoir.

This

equivalent

Union

Special

specification

No.

83.

Fill

main

oil

reservoir

opening

upper

crank

chamber

cover

and

check

oil

level

gauge.

Oil

maximum

level

between

two

red

lines

sight

gauge

front

machine.

CAUTION!

important

that

these

machines

not

over

filled.

recommended

that

new

machine,

one

that

has

been

out

service

for

extended

period

lubricated

follows:

Remove

the

head

cover,

clean

out

lint

and

directly

oil

the

needle

bar

link

and

the

needle

bar.

Oil

bearings,

looper

rocker,

eccentrics

and

all

other

parts

that

have

oil

wicks

touch-

ing

them.

Replace

head

cover

further

hand

oiling

will

required.

Run

machine

slowly

for

several

minutes

distribute

oil

the

various

parts.

Oil

may

drained

from

main

reservoir

removing

plug

screw

located

below

the

handwheel

the

main

frame.

From the library of: Superior Sewing Machine & Supply LLC

Adjuadn1Inetructions

THREADING

AND

OILING

DIAGRAM

FOR

CLASS

51300

MACHINES

WITH

"KLIPP-

IT"

Thread

machine

indicated.

The

looper

threading

has

been

enlarged

for

clarity.

Oil

has

been

drained

from

the

machine

before

shipping,

and

the

reservoir

must

filled

before

beginning

operate.

Oil

filled

spring

cap

(A)

top

cover.

Oil

level

checked

sight

gauge

(B);

maintain

oil

level

between

lines

gauge.

Use

straight

mineral

oil

with

Saybolt

viscosity

200

250

seconds

100°

Fahrenheit.

Excessive

oil

the

main

reservoirmay

drained

byremoving

plug

screw

located

directly

helow

the

handwheel.

From the library of: Superior Sewing Machine & Supply LLC

Adjuatin1 Instructions

NEEDLE

Put

new

needle

proper

type

and

size.

For

Style

51300

Type

130

GHS-036

and

for

Style

51300

Type

130

GHS-040

Place

throat

plate

support

and

throat

plate

the

bed

check

that

the

needle

enters

the

throat

plate

slot

the

middle.

Then,

remove

these

parts

for

adjusting

the

looper

and

mounting

gauge

for

setting

the

feed

mechanism.

ADJUSTMENT

THE

FEED

MECHANISM

GAUGE

H J K

Q c

L D G21227 L

.,.,

----'

_,.,.,

Fig. 1

The

feed

mechanism

set

the

assembly

department

using

gauge

G21227

adjust

rocker

"G"

loosen

nut

(A.

Fig.

(CAUTION!

NUT

HAS

LEFT

THREAD).

Place

the

feed

crank

stud

(B)

the

main

shaft

slot

(D)

and

regulate

screw

(C)

that

the

(E)

the

gauge

fits

into

the

hole

(F)

the

feed

rocker

shaft.

when

the

upper

part

the

segment

the

rocker

(G)

its

end

position

the

needle

Tighten

nut

(A).

Loosen

screw

(H).

place

distance

gauge

(V)

the

segment

the

rocker

(G)

and

press

the

sliding

block

against

the

distance

gauge

(V).

Move

lever

(J)

until

the

head

screw

(K)

contacts

the

stop

(L)

the

gauge.

Tighten

screw

(H).

Then

set

stop

ring

(M)

against

lever

(N).

For

the

adjustment

reverse

feed

place

distance

gauge

(R)

the

segment

the

rocker

(G).

Move

the

sliding

block

with

the

knee

press

against

the

distance

gauge

(R)

and

set

the

stop

ring

(P)

against

the

lever

(N).

From the library of: Superior Sewing Machine & Supply LLC

AdJutrinl Instructions

ADJUSTMENT

THE

FEED

MECHANISM

GAUGE

(Continued)

After

this

adjustment

the

stitch

length

should

about

8 1I2

stitches

per

inch

both

directions.

For

correction

reset

stop

ring

(M).

CAUTION!

SURE

THAT

THERE

1132

INCH

SPACE

BETWEEN

THE

SEGMENT

(G)

AND

THE

BED

THE

LARGEST

STITCH

LENGTH

(Q,

Fig.

1).

larger

stitch

length

than

8 1I2

stitches

per

inch

needed,

re-adjust

stop

ring

(M)

downwards.

All

other

stitch

length

changes

must

made

the

stitch

regulating

screw

(C)

after

loosening

the

nut

(A)

the

feed

crank

stud

(B).

ADJUSTMENT

THE

FEED

MECHANISM

WITHOUT

GAUGE

H J

......

--.&

......

Fig,2

·--

First

adjust

the

feed

rocker

segment

(G)

the

largest

movement

the

regulating

screw

(C)

after

loosening

nut

(A,

Fig.

2).

(CAUTION!

NUT

HAS

LEFT

THREAD).

The

distance

from

the

main

shaft

head

(D)

the

head

the

feed

crank

stud

(B)

should

9l32inch

(Fig.

3).

the

movement

the

feed

rocker

segment

limited

the

bed,

make

sure

that

the

fre.e

space

(Q)

not

less

than

1I32

inch

(Fig.

2).

For

adjusting

the

sliding

block

turn

handwheel

until

the

top

part

the

segment

(G)

its

end

position

the

needle.

Loosen

screw

(H),

place

114

inch

dia.

(e.

drill

114

dia.)

between

the

sliding

block

and

the

upper

end

the

segment.

When

the

sliding

block

pressed

against

this

pin,

set

the

lever

(J)

so,

that

the

distance

between

the

head

screw

(K)

and

the

shaft

(S)

118

inches.

Tighten

screw

(H)

and

set

the

stop

ring

(M)

against

lever

(N).

For

adjusting

the

reverse

feed

place

inch

dia.

the

lower

part

the

segment

(G).

Move

the

sliding

blockwith

the

kneepress

against

the

5116

inch

dia.

and

set

the

stop

ring

(P)

against

the

lever

(N).

From the library of: Superior Sewing Machine & Supply LLC

AcUuttintE

Instructions

ADJUSTMENT

THE

FEED

MECHANISM

WITHOUT

GAUGE

(Continued)

After

this

adjustment

the

stitch

length

should

about

1/2

stitches

per

inch

both

directions.

For

correction

reset

stop

ring

(M).

larger

stitch

length

than

1/2

stitches

per

inch

needed.

re-adjust

stop

ring

(M)

downwards.

All

other

stitch

length

changes

must

made

the

stitch

regulating

screw

(C)

after

loosening

the

nut

(A)

the

feed

crank

stud

(B).

LOOPER

ADJUSTMENT

Insert

the

looper

the

looper

rocker.

Notice

that

the

screw

rests

the

looper

flat.

The

looper

gauge

represents

the

measurement

from

the

centerline

the

needle

the

point

the

looper

when

the

looper

the

right

end

the

stroke.

This

measure-

ment

should

5/32

inch.

Looper

gauge

No.

21225-5/32

can

used

advantageously

making

this

adjustment.

For

the

looper

gauge

adjustment

loosen

the

two

nuts

the

looper

connecting

rod.

After

the

right

gauge

set.

tighten

the

nuts

securely.

Notice

that

the

connecting

rod

ball

joints

have

clearance

all

positions.

LOOPER

AVOID

MOTION

When

the

looper

moves

the

left.

its

point

should

pass

the

rear

the

needle

possible

without

contacting.

SYNCHRONIZING

LOOPER

AND

NEEDLE

MOTIONS

Use

gauge

No.

21227

Insert

the

pin.

which

included

with

the

gauge.

the

looper

rocker.

Place

the

gauge

plate

the

throat

plate

seat

using

the

throat

plate

screws

for

attaching.

Place

the

indicator

portion

the

gauge

the

needle

thread

take-

wire

holder

with

the

pointer

the

right.

not

tighten

the

set

screw

this

time.

Turn

handwheel

operating

direction

until

the

looper

rocker

contacts

the

edge

the

gauge

plate

and

set

the

indicator

that

the

left

end

the

pointer

rests

against

the

top

the

needle

bar

and

the

right

end

the

pointer

rests

"O".

Tighten

set

screw

and

note

indicator

reading.

Turn

the

handwheel

the

reverse

direction

until

the

again

contacts

the

plate.

motions

are

synchronization

the

pointer

the

indicator

will

return

the

same

reading.

variation

one

graduation

the

scale

allowable.

the

reading

higher

the

scale

when

the

handwheel

turned

operating

direction.

the

looper

drive

lever

rocker

will

have

moved

the

rear.

the

reading

lower.

this

rocker

will

have

moved

the

front.

Remove

the

oil

reservoir

top

cover

and

drain

the

reservoir.

Loosen

the

screws

the

looper

drive

eccentric

mechanism

and

move

the

eccentric

far

the

right

will

go.

Then

drive

the

rear

bushing

the

front

the

middle

bushing

the

rear.

avoid

distorting

the

parts

remove

the

plug

screw

the

rear

bushing

before

driving

the

front

and

place

horse

shoe

shape

metal

washer

approximately

1/16

inch

thick

between

the

looper

drive

lever

and

the

adjacent

bushing

when

driving

the

bushing

the

rear.

Retighten

all

screws

and

seal

the

reservoir

cover

position

with

Permatex

Gasket

Cement

prevent

oil

leakage.

convenient

1/2

pint

can.

including

brush.

identified

the

symbol

"CE5C".

and

will

promptly

furnished

Union

Special.

Automobile

supply

shops

carry

it.

the

gauge

not

available.

synchronization

may

checked

follows:

Insert

the

looper

the

looper

rocker

and

turn

the

pulley

the

operating

direction

From the library of: Superior Sewing Machine & Supply LLC

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