Union Special 51300KK, 51300KL User Manual

®

INDUSTRIAL SEWING

FINEST

STYLES

51300KK 51300

QUALITY

KL

LEWIS

•

COLUMBIA

MACHINES

CATALOG

N0.266

DOUBLE

THREAD

CLASS 51300

STREAMLINED

LOCKED

STITCH

WITH

UNDERTRIMMER

MACHINES

CHICAGO

( S

Catalog

up

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

INSTRUCTIONS

No.

FOR

266

No • 249

)

ADJUSTING

LIST

Streamlined

51300

KK

CLASS

Styles

First

AND

OF

Edition

OPERATING

PARTS

51300

Lockstitch

51300

KL

Rights

Union

Copyright

by

Special

Reserved

1970

Machine

in

All

Co.

Countries

MACHINE COMPANY

INDUSTRIAL

SEWING

CHICAGO

MACHINES

Jp.nuary

1970

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

IDENTIFICATION

OF

MACHINES

Each

the

name

Standard

"Z". only Style

which

junction

not

clarity.

and

Example:

minor

number.

Styles

differs

This

used

KL

Union

plate

Style

changes

catalog

therewith.

on

certain51300

parts.

on

numbers

"Style

Example:

of

machines

from

Styles

Special

the

51300

machine

machine.

have

51300

are

made

"Style

similar

the

style

is a supplement

Only

those

CC,CD

Style

one

KK".

in a standard

51300

number,

APPLICATION

parts

areillustratedandlistedat

parts

is

identified

numbers

or

more

SpecialStylenumberscontaintheletter"Z".

KKZ".

in

construction

in

that

to

Catalog

which

are

showninphantomto

by a Style

are

letters

machine.

it

contains

OF

CATALOG

No.

are

used

number

classified

suffixed,

a "z"

are

grouped

no

249

on

as

but

is

letters.

and

Styles

the

help

which standard

never

suffixed

under a class

should

51300

back

locatethe

is

stamped

and

contain

to

the

Example:

be

used

KK

of

this

special.

the

Standard

number

"51300".

in

and

KL

book.

51300

into

letter

When

con-

but

For

KK

NOTE:

column.

description,

those included are

herein.

in

given

of

When

Opposite

Adjusting

in

Catalog

in

additional

The

catalog

It

this

class.

from

handwheel

ordering

the

and

No. 249

this

catalog

instructions

can

also

Reference

the

operator's

is

toward

repair

illustration

amount

operating

applies

be

required.

are

specifically

applied

the

parts

page.

instructions

for

Styles

the

ones

that

pertain

with

to

direction.

position

operator.

always

parts

51300 that

specifically

to

discretion

while

use

are

identified

for

CC.CD

are

the

such

seated

the

part

Styles

respectively.

different

Standard

to

some

as

right,

at

the

number

by

detail

51300

from

to

Styles

left,

machine.

number.

KK

and

Styles

51300

of

Special

front.

listed

KL

are

The

only

51300

KK

machines

Styles

back,

Operating

in

the

second

part

number.

similar

instructions

cc,

CD

and

KL.

as

listed

of

machines etc

.•

direction

to

or

are

3

Adjuttinl Instructions

Description

of

Machines

Streamlined

Flat

trimmer)

Feed

Weight

Light

51300

curtains

KK

and

Presser

Weight

For

and

controlled

51300

KL

and

For

similar

back-tacking

NEEDLE Check

of

the

set

correctly tube is

tilted

above Do

not

LEVER

the

needle

inside

downwards

the

notch

allow

location

lever

the

LUBRICATION

Bed.

for

use

Back-

Handwheel,

seaming

similar

back seaming

operations

is STUD

of

stud

when

arm

in

the

oil

Single

with

Tacking

Bar

operations

tacking

pants,

required.

the

is

the

arrow

casting

and

that

needle

tube

to

Needle

Mechanism.

and

Light

Oil

and

hemming

is

required.

dresses,

on

needle

marked

points

which

its

lever

rest

Medium

Positioner.

Weight

Pan

on

medium

lever

with

vertically

lubricates

delivery

thrust

on

the

Duty

Needle

Assembly

dresses,

light

to

skirts;

weight

stud

with

an

arrow

the

end

contacts

collar.

needle

lever.

Machine

Enclosed

Bearing

Bar

and

skirts.

medium

for

hemming

woven

respect and

the

up.

Also,

needle

with

Needle

Mechanism,

Head

Oil shirts,

weight

materials

to

the

word 11up

check

lever

the

wall

"KLIPP-

Oiling

Siphon

woven

shirts,

oil

the

stud.

of

the

System. Bar

Equipped

Assembly.

towels,

material

towels,

where

groove.

11

•

These

position

Make

bed

IT"

(under-

Reverse

Drive,

sheets.

curtains

controlled

The

studs

of

sure

casting

Light

with

where

head

are

the

oil

that

just

it

Clean

gauge to run oil,

CAUTION! reservoir to

the

in

front

allow

the

machine

particularly

must

operate.

machine

of

oil

Oil

be

RECOMMENDED Use a straight

in

the

main main gauge.

oil

Oil

mineral

reservoir.

reservoir

is

at

machine. CAUTION!

It

is

recommended extended directly

Oil

bearings,

ing

them.

Run

machine

may

be

handwheel

It

period

oil

the

looper

Replace

slowly

drained

in

the

is

needle

thoroughly.

the

machine

wicks

at

to

higher

around

has

been

filled

OIL

oil

at

opening

maximum

important

that a new

be

lubricated

rocker,

head

for from main

carry

speed.

the

take-up.

drained

to

the

of a Saybolt

This

is

level

that

bar

link

eccentrics

cover

several

main

reservoir

frame.

Fill

and

oil

the

oil

Inspect

from

proper

viscosity

equivalent

in

upper between

these

machine,

as

follows:

and

the

as

no

further

minutes

oiling

all

to

system

bearings.

the

oiling

Oiling

the

main

level

as

to

crank

two

machines

or

one

Remove

needle

and

all

to

by

removing

Run

bearings.

system

diagram

reservoir

indicated

of

200

Union

Special

chamber

red

lines

not

that

the

bar.

other

hand

oiling

distribute

to

No.

to

be

has

parts

plug

250

head

first

red

machine

Then,

for

leaks.

PL616

before

on

oil

gauge

seconds

specification

cover

on

over

and

sight

filled.

been

cover,

that

will

be

oil

to

the

screw

line

of

slowly

repeat

Wipe

is

available.

shipment,

before

at

100°

check

gauge

out

of clean

have

oil

required.

various

located

the

oil

for a minute

the

oiling

up

surplus

so

beginning

Fahrenheit

No.

83.

oil

level

on

front

service

out

wicks

for

lint

touch-

parts.

below

sight

and

the

Fill

at of

an

and

Oil the

4

Adjuadn1Inetructions

Thread

clarity.

Oil

be

filled

level

straight Excessive

directly

is

THREADING

machine

has

been

before checked mineral

oil

helow

beginning

in

the

AND

as

drained

at

sight

oil

with a Saybolt

the

handwheel.

from

gauge

main

OILING

indicated.

to

operate.

reservoirmay

DIAGRAM

WITH

the

machine

(B);

maintain

viscosity

"KLIPP-

The

Oil

is

be

FOR

looper

before

filled

oil

of

200

drained

5

CLASS

IT"

threading

shipping,

at

spring

level

to

250

byremoving

between

51300

has

and

cap

seconds

MACHINES

been

the

reservoir

(A)

in

lines

at

100°

plug

on

screw

enlarged

top

cover.

gauge.

Fahrenheit.

located

must

Oil

Use

for

a

NEEDLE

Put

in a new 'needle

For

Style

for

Style

51300

KK

KL

of

proper

Type Type

Adjuatin1 Instructions

type

and

size.

130

GHS-036 GHS-040

and

Place the

and

ADJUSTMENT

throat

mounting

plate

F

E

G

plate

slot

of

gauge

OF

support

in

the for

THE

FEED

H

and

throat

middle.

setting

MECHANISM

J

K

plate

Then,

the

L

on

remove

feed

mechanism.

BY A GAUGE

D G21227 L

__

the

.,.,

bed

these

_,.,.,

to

check

parts

----'

I

that

for

p

the

needle

adjusting

the

N

M

enters

looper

The

feed

To

adjust Place that

the upper Tighten rocker (J)

until

Then For

rocker (R)

set

the

and

mechanism rocker

the

feed

(E)

part

of

nut

(A).

(G)

and

the

head

stop

adjustment

(G).

Move

set

the

crank

of

the

press

ring

stop

is

"G"

loosen

stud

the

gauge

segment

Loosen

the

of

screw

(M)

of

the

sliding

ring

set

in nut

(B)

fits of

screw

sliding

(K)

against

reverse

(P)

Q c

the

(A.

in

the

into

the

(H).

block

contacts

lever

feed

block

against

assembly

Fig.

rocker

place

with

the

main

the place

against the

(N).

lever

AB

department

1)

(CAUTION!

shaft

hole

(F)

(G)

is

distance

the

stop

(L)

distance

the

knee

(N).

6

slot

of

the

in

its gauge

distance

of

gauge

press

(D)

the

by

NUT

and

feed

end

(V)

gauge.

(R)

against

Fig. 1

--

using

HAS

LEFT

regulate rocker position

in

the

gauge

Tighten

in

the the

gauge

screw

shaft.

to

segment

(V).

segment

distance

G21227

THREAD).

(C)

when

the

needle

of

Move

screw

lever

(H).

of gauge

L.

so

the

.

the

AdJutrinl Instructions

ADJUSTMENT After

both

CAUTION! (G)

If

(M) All

loosening ADJUSTMENT

this

directions.

AND

a

other

THE

larger

downwards.

stitch

adjustment

BE

stitch

the

H J

OF

SURE

BED

length

nut

OF

THE

For

AT

length

(A)

THE

FEED

the

stitch

correction

THAT

changes

of

THE

than

the

FEED

THERE

LARGEST

8 1 I 2

feed

MECHANISM

length

reset

stitches

must

crank

MECHANISM

IS

be

stop

1132

stud

should

STITCH

made

BY A GAUGE

be

about

ring

(M).

INCH

per

(B).

SPACE

LENGTH

inch

is

by

the

stitch

WITHOUT

s

(Continued)

8 1 I 2

BETWEEN

(Q,

needed,

regulating

GAUGE

stitches

Fig.

THE

1).

re-adjust

screw

per

inch

SEGMENT

stop

ring

(C)

after

in

G

First screw

(CAUTION! to of

is For

is (e. When distance (H)

For segment dia.

adjust

(C)

the

head

the

feed

not

less

adjusting

in

its

g. a drill

the

and

set

adjusting

and

the

after

NUT

of

the

rocker

than

the

end

position

of

sliding

between

the

(G).

Move

set

the

feed

rocker

loosening

HAS

feed

segment

1 I 3 2

114

stop

sliding

11

block

the

ring

reverse

the

stop

inch

to

dia.) head

ring

nut

LEFT

crank

(Fig.

block

the

between

is

screw

(M)

feed

sliding

(P)

segment

(A,

THREAD).

stud

is

limited

2).

turn

needle.

pressed

(K)

against

place a pin

blockwith

against

_,

(G)

Fig.

(B)

should

by

handwheel

Loosen

the

sliding against and

lever

the

......

2).

the

......

to

The

be

the

shaft

(N).

of the lever

the

screw

this

I

--.&

-

Fig,2

·--

largest

distance

9l32inch

bed,

kneepress

until

block

5 I

16

(N).

make

(H),

and pin, (S)

inch

movement

from

(Fig.

sure

the

top

place a pin

the

upper

set

the

is 4 118

dia.

against

the

main

3).

that

part

end

lever

inches.

in

the

by

As

the

of

the

of

lower

the

shaft the

fre.e

segment

114

of

the

(J)

so,

Tighten

of

regulating

head

movement

space

inch

dia.

segment.

that

the

screw

part

of

the

5116

inch

(D)

(Q)

(G)

7

AcUuttintE

Instructions

ADJUSTMENT After

directions.

If

(M) All

loosening LOOPER

Insert The point ment in

For After ball

LOOPER When

as

this

a

larger downwards.

other

looper

making

the joints

possible

stitch

ADJUSTMENT

the

looper

of

the

should

looper

the

right

A VOID

the

looper

adjustment

For

stitch

the

gauge

looper

be

this

have

without

OF

THE

the

correction

length

nut

(A)

of

in

the

represents

when

5/32

adjustment.

gauge

inch.

adjustment

is

clearance

MOTION

moves

contacting.

FEED

stitch

reset

than 8 1/2

changes

the

feed

looper

the

looper

Looper

set.

tighten

in

all

to

the

left.

MECHANISM

length

must

crank

rocker.

measurement

positions.

should

stop

stitches

be

is

at

gauge

loosen

the

its

point

ring

made

stud

Notice

the No.

the

nuts

WITHOUT

be

about 8 1/2

(M).

per

inch

by

the

(B).

that from

right

21225-5/32

two

nuts

securely.

should

pass

stitch

the

end

GAUGE

stitches

is

needed.

regulating

screw

centerline

of

the

can

on

the

Notice

the

rear

(Continued)

re-adjust

rests

stroke.

looper

be

that

of

on

of

used

the

per

inch

in

stop

screw

the

This advantageously

connecting

needle

(C)

looper

needle

measure-

as

after

flat.

to

rod.

close

both

ring

the

rod

SYNCHRONIZING Use

gauge rocker. for

attaching.

wire

Turn

edge against set until on scale in rear. the drive Then

distorting front between the Gasket is

Automobile

holder of

screw

the

operating

oil

rear.

identified

No.

Place

with

handwheel

the

gauge

the

top

and

again

indicator

is

allowable.

direction.

If

the

reading

reservoir

eccentric

drive

and

the

parts

place a horse

the

looper

Retighten

Cement

by

supply

21227

the

Place

of

note

will

mechanism

rear

to

the

LOOPER

R.

gauge

the

pointer

in

operating

plate

the

needle

indicator

contacts

return

If

the

is

top

cover

bushing

remove

drive

all

prevent

symbol

shops

Insert

plate

indicator

and

to

reading

the

lower.

and

shoe

lever

screws

oil "CE5C".

carry

AND

the

on

to

the

direction

set

the

bar

and

reading.

the

plate.

the

is

looper

this

drain

and

move

to

the

plug

shape

and

leakage.

it.

NEEDLE

pin.

the

portion

same

rocker

seal

which

throat

right.

until

indicator

the

right

Turn

If

reading.

higher

drive

the

reservoir.

the

front

screw

metal

the

and

or

adjacent

the

A

will

MOTIONS

is

included

plate

of

the

Do

not

the

so

that

end

of

the

handwheel

motions

A

on

the

lever

will

eccentric

convenient

rocker

have

the

middle

in

the

washer

bushing

reservoir

be

promptly

with

seat

using

gauge

tighten

are

variation

scale

to

rear

in

the

in

the

looper

the

left

the

pointer

in

synchronization

when

will

be

moved Loosen as

far

bushing

approximately

when

cover

1/2

pint

furnished

the

needle

set

end

in

of

the

have the

to

the

driving

in

position

can.

gauge.

throat

thread screw rocker of

the

rests

the one

to screws

to

before

at

reverse

graduation

handwheel

to

be

the

front.

right the

rear.

1/16

with

including

by

Union

in

the

plate at

this

contacts

pointer

"O".

direction

the

is

moved

in

the

as

it

driving

inch

the

bushing

Permatex

looper

screws

take-

time.

the

rests

Tighten

pointer

on

the

turned

to

the

Remove

looper

will

go.

To

avoid

to

the

thick

brush.

Special.

up

to

If

the

Insert

gauge

the

is

not

looper

available.

in

the

looper

synchronization

rocker

and

B

turn

may

the

be

pulley

checked

in

as

the

operating

follows:

direction

Aclluatinllnatructiona

SYNCHRONIZING until

of

reverse needle. to distance is

NEEDLE

Set looper, When

RETAINING Adjust

travel or has the

the

the turned

Moving

the

tacking,

forth

1/32

needle.

looper

eye

of

direction

If

the

looper

from

in

it

in

BAR

needle

when

the

to

the

in

its

inch

point

the

motions point

the operating the

opposite

bar

point

skip

FINGER

retaining

left

adjustment clearance

LOOPER

moves

needle

until

will

eye

of

so

that

of

looper

stitches

DRIVE

arm

is

1/8

AND

with

the

looper

synchronize,

be

the

needle

direction,

direction

the

in

inch

so

that

back

to

the

respect

same.

top

moving

may

or

out

from

the

of

the

NEEDLE

occur

left

to

point

the

to

the

move

acts

of

the

to

of

center

hook needle.

MOTIONS

and

the

again

height

A

variation

point

the

needle

the

if

the

its

slot line

point,

is

even

looper

moves

of

the

looper

reverse.

eye

left

is

needle

so

of

when

No

part

(Continued)

with

point,

to

the

eye

of.

005

looper

drive

is

less

even

is

set

that

the

needle.

passing

of

the

then

the

of

is

lever

with

too

hook

Set

hook

needle.

turn

left

the

inch

longest

than

left

low.

the

and

is

needle

is

allowable.

when

rocker

1/64

side

point

pivot

back

should

Note

pulley

even

with

to

inch

of

at

bracket

of

ever

the

below

the

its

the

height

in

the

with

the

respect

If

the

pulley

rear.

the

needle

furthest

back

needle,

contact

.

TIMING

To

time

the

looper

the

vertical crank vertical

If

the except first drive retainer

shaft

If

the

FRONT Set

higher as

tacking

possible.

shaft

the

retainer

oil

be

should

drive

the

crank

retainer

the

looper

THE the

retainer

drive

shaft.

by

crank

chamber

the

main

turned

be

drive

gear

shaft

timing

NEEDLE

front

than

if

needle

the

the See

RETAINER

drive

lever,

Set

the

hand

point

front

paragraph

(gripping

check

gear

over

positioned

set

looper

lines

drive

top

cover,

shaft

so

as

above

and

the

does

will

GUARD

guard

point,

comes

guard

gear.

insert

needle

is

that

driven

not

turn,

be

high up

is

for

remove

screw

the

up

with

located

the

entire

When

the

needle

so

the

can

then

gear

the

correct.

enough

and

to

the

not

as

setting

access

bar crank

the

properly

the

timing

be

cover Check

so

that

needle. high

rear

driver at

the

strap)

timing

retainer cover

is

at

rnarks

put

mesh

so

the

as

needle

plug

and

bottom

until

mark and is

the

bottom

in

place

together

screws

the

timing

that

its

guarding

Needle possible

screw

loosen

of

the

on

if

it

drive

to

be

are

being

can

top

breakage

guard.

in

casting

screws

the

stroke

timing

the

top

becomes

will

lift replaced, of

its

in

line.

careful

the

crank

be

inserted

to

be

surface

and

the

just

in

the

and

mark

cover.

necessary

off

the

stroke,

The

top

that,

shaft

sure .it

is

as

just

contacts

will

rear

driven

turn

on

the

with

machine

and

cover

does

and

is

high

occur

guard

to

the

right gear

the

vertical

face

to

remove

the

top

the

retainer

with

when

correct.

the

not

tightened

or

slightly

the

when

as

on

of

the

cover

should

the

main

turn.

and

needle

back-

low

as

of

9

AdJUJrinl

Instruction~

FEED Set

throat dog,

Check

approach.

REAR

The to

THREADING

Thread

tests.

LOOPER The

equal on When the The the amount has thread

DOG

the

feed

plate

to

maintain

clearance

NEEDLE

needle

the

left -is . 005

the

THREAD

looper

clearance

the

main

the

needle

discs needle

clearance

looper

of

just

must

has

slack

must

ADJUSTMENT

dog

so

that

the

at

highest

GUARD

barely

THE

machine

thread

on

shaft

moves

come

thread

entered

thread

between

after

this

the

point

setting.

between

contact

inch

MACHINE

according

TAKE-UP

take-up

each

and

consequently

down

out

of

must

cast

the

in

the

eye

tips

of

top

before

must

side

the

off

triangle

the

two

of

the

of

travel.

of

retainer

the

to

be

of

the

and

the

cast-

from

system

discs

needle

the

teeth

Adjust

needle

right

threading

placed

shield.

can off

deep

of

be

looper

plate

the

highest

enough.

and

must

the

comes

guard edge

are

parallel

the

hook

when

of

diagram

on

the

The

looper

set

to

starts

to

take

be

take-up

up

with

supporting

and

bottom

the

point

the

needle.

No.

main

compensate

lob

The set

out

its

the

of

and

of

shaft

thread

movement

slack

the retaining

on

the

so

that

the

and

3 I

screw,

of

feed

of

the

PL616

so

that

take-

for

varying

from

take-

cast-

material.

the

up

finger

off

it

releases

64

inch

above

under

dog

looper -moving

and

start

both

up

is

from

looper

when

plate

the

at

closest

sewing

discs

not

conditions

left

the

controls

the

spotted

to thread point

so

that

looper

have

right

the

feed

• .

of

the

it

THREAD The

looper tension skips.

NEEDLE

It

above

50-2 cord

feeding. PRESSER

See ment

PRESSER

The bar.

Set

may

that

with

presser

Turning

the

If

not

the

pressure

TENSION

thread

is

too

low,

the

tension

THREAD

be

necessary

needle

or

heavier,

FOOT

the

presser

the

feed

FOOT

spring

it

tension

the

is

NIPPER

if

light

the

foot

dog

PRESSURE

adjusting

clockwise

only

high

should

take-

too

high

to

use

thread,

nipper

hinges

and

the

increases

enough

up

may

the

under

freely

throat

screw

be

about

lose

stitch

needle

spring

plate.

is

the

pressure,

to

feed

1 I 4

control

may

be

thread

60-2 cord,

helps

and

the

properly.

to

that

knurled

of

the

needle

over

pulled

nipper

is

throw a needle

its

under

screw

counterclockwise

the

down.

in

used.

surface

front

If

directly

thread

heavy

loop

is

tension.

causing

of

the thread

when

in

lateral

behind

acts

casting

is

the

reverse.

If

the

triangle

just

used,

reverse

align-

needle

10

Adj111tiq lnatructiona

NEEDLE Set

the

as

low

Raise NEEDLE Set

the

studis

necessary frame lowering a smaller

SEAM

Check a

triangular

too

sharp.

Check

worse

With in

the ADJUSTMENT

THREAD

needle

as

possible.

it

only

THREAD

needle

in

the

middle

eyelet

CONTROL the

seam

oil

that

the

if

the

teeth

all

of

the

following

thread

if

needle

thread

if

thread

influences

produced

stone

machine

electrical

sequence:

OF

TAKE-UP

take-

loop

FRAME

frame

of

its

slot.

breakage

the

needle

for

polishing

chains

are

too ADJUSTING

plug-connections

CUTTING

WIRE

up

wire

skips

EYELET

eyelet

Raising

occurs,

size

thread

for

chafed

off

highly

SOLENOID

(strike-

occur

(No.

it

brings

of

the

needle

loop.

or

the

middle

well

polished.

"KLIPP-IT"

off)

located

and

cannot

539)

located better

at

cross

thread

cut

threads

row

without

disconnected,

STROKE

chafing

MECHANISM

to

be

corrected

to

needle

seams.

loop.

by

of

the

right

the

left

thread

The

position

Raising

unravelling

feed

dog

the

chain.

adjustments

of

the

needle

any

other

of

the

pull

causes a larger,

the

teeth

Chaining

should

needle

up.

Lowering

of

the

stitch.

which

way.

be

bar

lever

thread

Apply

may

will

made

,

be

I

1

I

(

armature the

rear

be

required.

shaft

of th·e

loosen

Fig.

(A,

Fig.

needle

screws

4

(B)

4)

observing

as

close

(C),

that

as

possible

reposition

B

c

knife

The ture approximately Since designed only, of

returning

the

spring

nut

(C),

left

on

dimension,

ADJUSTING

The

5 I 3

~

throat

at

its ADJUSTING

With

slowly

the

lower without

and

retighten

length

shaft

the

armature to

when

move shaft

looper

inch

extreme

below

plate

theneedle

depress

knife

contacting.

of

stroke

(A,

operate

actuated,

to

loaded

retighten

support

(A,

Fig.

4 5 I 6 4

its

head

(B)

LOOPER

height

left

position(See

SEVERING

the

Fig.

screws.

of

the

4)

should

inch

(See

Fig.

of

the

solenoid

in

one

direction

its

only

rest

position

shaft

(D)

to

the

indown-position,

Should

(B).

to

obtain

nut

should

surface

(A,

Fig.

cutting

6)

must

With

Loosen

the

right

desired

(C). HEIGHT

5)

Fig.

DEVICE

solenoid

pass

adjustment

the

arma-

be

4) . is

means

is

by

or

be

set

of

the

when

5).

to

lower

11

AdJUJtiaa

lrutructioru

ADJUSTING knife

edge

inch

Fig.

loosen

rotate obtain

ring

lower mately • 012 knife looper CAREFULLY at

at

(D)

to

6). locknut

and

With

knife

(A,

points

its

extreme

for

the

left

Should

connecting

required

retighten

the

swung-in,

Fig.

(C).

(H,

SEVERING

left

the

needle

of

the

center

adjustment

(E)

remove

rod

dimensions.

locknut.

needle

inch

7),

If

BEND

Fig.

in

there

clearance

looper

adjustment

the

6)

to

DEVICE

position,

thread

of

the

snap

(G)

as

up-position

should

between

retainer

is

knife

suit.

carrier

(Continued)

the

cutting

must

be

ring

necessary

Replace

be

needle

required,

(F)

and

be

approxi-

the

(B)

necessary,

bracket

1/8

(See

and

to

snap

the

lower

and

. N

~I

A---..~c.-----..,.

Fig.

----

5

---

-·~

T

ADJUSTING

To

avoid

out,

the

edge spring loosen screws

(B)

screws

(D) -

H

KNIVES

pinching

of

the

must

(D),

be

move

the

lower

in

alignment

the

needle

knife

upper

Fig.

and

as knife

6

thread

the shown

(E)

when

cut-out

at

and

the on

point

plate

lower

the

looper

(C).

spring

r-·-·

te

·""

knife

To

(B)

F

(A,

thread

obtain

as

required,

Fig.

retaining

this

adjustment

8)

swings

plate

retighten

12

A

Ac:IJUitinainatructiona

A

B

ADJUSTING

lap

With

the

both

lower

Fig.

KNIVES

knives

knife

Fig.

(B)

9

7

(Continued)

in

their

approximately . 020

resting

position,

the

inch.

upper

Adjustment

knife

•

C)

....

C)

I

()

~*=t

=~~:::;:.._

(A,

can

Fig.

be

9A

8

9)

made

__

must

by

loosen-

over-

,

ing

screw Retighten lower must and ing rearward. .

ing solenoid

The

the by adjusted

040

plate

the

be

loop

screws

inch

edge

looper

(C) screw.

knife

upper

swung-in,

maintained

retainer

(F,

Care

clearance

of

the

in

its

thread

spring

knife

by

turning

and

(E).

Fig.

must

upper

resting

(B)

rotating

With

the

a

between

Adjustment

9)

and

be

between

knife

(A,

Fig.

and

lower

(D).

the

Tension

tension

the

needle

clearance

the moving

taken

stop

carrier

position.

10) knife

hexagonal

in

up-position

of . 020

upper

to

(G)

must

on

regulating

knife

can

be

stop

also

and

(H),

Retighten

be

(C)

after

the

stop

plate

and

- .

040

(A,

Fig.

made

maintain . 020 the with

clamped

looper

13

by

(G)

forward

correspond-

the

screws

being

thread

screw

loosen-

cutting

between

severed

(F,

(D) .

the

inch

9A)

(F).

retaining

Fig.

or

-

8).

Fig.

plate

10

spring

can

be

AdjUitinglnatructiona

F

THREAD

PULL-

OFF

HOOKS

AND

clamp and retighten disc

so cutting off enough next

1/8"

Adjust looper has

CAUTION: ance operation.

TENSION

Loosen

(B)

set

lever

separator

that

the

process

hook

to

stitch.

on

thread

been

of

the

(F)

top

RELEASE

clamp

located

(C)

clamp

(D)

tension

begins.

so

that

start

severed.

sewing

A

needle

of

the

pull-

is

Observeto

pull-off

ADJUSTMENTS

screw

at

the

in a horizontal

screw.

by

is

released

the

thread

material

off

clamped

hooks

(A,

rear

turning

needle

immediately

hook

insure

ofthe

Adjust

tail

is

(G)

securely

during

Fig.

eccentric

as

thread

permissible.

ample

machine

position,

the

tension

soon

is

of

1/16"

so

that

after

clear-

the

cutting

11)

as

on

in

(E)

the

pull-

long

the

-

the

it

Fie:.

Fig.

12

11

This

accomplished

ing

screws

14),

reposition

assuring

moves

plate ed

so

hook

tighten

condition

that

smoothly.

(D)

must

the

into

screws.

With thread fabric wiper the

needle

hook

and

is returning contact

its

arc

by

(A,

B,

as

the

be

wiper

the

fabric.

ADJUSTING

the

power

wiper

and

sever

(A,

Fig.

thread

of

the

wiper

caught

the

of

can

loosen-

C,

required.

Guard

position-

will

by

(See

needle

travel.

be

Fig

wiper

not

Re-

THREAD

lead

solenoid,

threads.

12)

by

must

coming

the

hook

Fig.

13).

or

the

.

removed

sew

Actuate

hand,

be

in

of

The

presser

Fig.

WIPER

from

on a piece

the

observing

deflected

(See

Fig.

the

wiper

must

foot

13

the

of

thread

that

by

the

12),

when

not

during

14

AdJUidnilnatructiona

ADJUSTING

Fig.

THREAD

14

WIPER

(Continued)

When tion (A, ped fore solenoid accomplished screw lever

tighten

power assembly.

returning

the

thread Fig. by

15)

stop

the

stops.

(C),

as

screw.

lead

armature

to

rest

wiper

must

(B)

slightly

This

by

loosening

reposition

required,

Reconnect

for

thread

be

posi-

lever

stop-

be-

of

the

can

re-

wiper

be

Fig.

15