Union Special 39500 Maximum Performance 8M Series User Manual

CATALOG

NO.

Adjusting

instructions

and

1O3WA

First

SERIES

8M

Edition

illustrated

parts

list

\

U

Finest

Quality

Maximum

-High with

thumbscrew

Performance

speed

Z7Ut.aISE

differential

adjusted

8M

feed

Series

overseamers

feed

CATALOG

NO.

103

WA

39500 39500 39500 39500 39500 39500 39500 39500 39500

MAXIMUM

WA WC—l.98 WE WF WK-l.98 WP WW CWA CWC—1.98

ADJUSTING

INSTRUCTIONS

AND

ILLUSTRATED

FOR

PERFORMANCE

STYLES 39500

39500 39500 39500 39500

PARTS

—

LIST

8M

CWE CWF CWK—1.98 CWP SWA SWC—L98 SWE SWF SWK—1.98

SERIES

39500 39500 39500 39500 39500 39500 39500 39500 39500

SWP CSWA CSWC-1.98 CSWF CSWK—1.98 CSWP SWAL SWFL SWPL

Union

Rights

First

Copyright

Special

Reserved

Printed

October,

Edition

1983

By

Corporation

in

US.A.

1983

All

Countries

2

FORWARD

This

new

UNION

adjusting reliability

The setting functions reference

Adjustments plished. the

function

Implementation ficant downs.

machine,

designed

assure

technical

SPECIAL

these

machines

designed

Adjusting

for

each

of

the

letters

Some

adjustments

of

other

improvements

Whenever

be

sure

specifically

long

lasting

manual

machine.

and

Instruction

of

the

machine.

to

point

are

presented

it

becomes insist

to

for

service.

has

been

Careful

will

enable

built

into

portion

components

Figures out

specific

in

performed

parts.

preventative operator

necessary

on

genuine

your

machine

prepared attention

you

every

of related are

used

sequence

out

maintenance

productivity

to UNION

and

to

maintain

UNION

this

forming

to

items

so

of

discussed.

that

sequence

by

make

repairs

SPECIAL

manufactured

guide

the

instructions the

SPECIAL

manual illustrate

a

logical

may

procedures avoiding

Repair

you

in

superior

machine.

explains the

stitch the

have

can

costly

or

replace

Parts.

with

the

maintenance

for performance

in

detail

and

adjustments

progression

an

adverse

bring

equipment

parts

These

utmost

precision

operating

the

completing

using

is

accom

effect

about

signi

break

your

on

parts

of

your

and

proper

the

on

are

to

To

exploded VIEW

which

illustrated

TO

PREVENT

—

All justing

—

Wear

simplify

views.

power

safety

These

presents

on

this

THIS

SAFETY

PERSONAL

sources

or

replacing

glasses.

indentification

illustrations

the

mechanisms

page

will

SYMBOL

INJURY:

to

the

machine

parts.

of

repair

will

of

the

appear

shaded

SAFETY

CAUTION!

INDICATES

MUST

usually machine

A

YOUR

TURNED

be

parts,

in

the

RULES

PERSONAL

the

mechanisms

be

shown

assembled.

KEY

VIEW.

SAFETY

OFF

before

in

conjuction The

IS

threading,

are

illustrated

with

specific

INVOLVED.

oiling,

parts

a

by

KEY

ad

—

All

sheilds

—

DO

NOT

tamper

and

with

guards

safety

MUST

shields,

be

in

position

guards,

3

before

etc.,

operating

while

machine.

machine

is

in

operation.

IDENTIFICATION

MACHINES

OF

Each

stamped

is number

is

High

four

three

or

independently

improved

Maximum

internal

recommended

operation.

39500

WA

WC-1.98

UNION

the

in

stamped

speed,

thread adjustable

Light light

a

are SSa—1;

inch

SPECIAL

Style

the

in

maximum

machines.

lubricating

speed

medium

to

medium

to primary

standard

(4.0mm);

Heavy of

duty,

heavy

21/64

SSa—1;

514

inch.

per

NOTE:

machine

plate

extension

performance, thumbscrews

8000

duty, weight

requisite.

seam

stitch

weight

inch

(8.3mm)

standard

Second needle

located

system

two

needle

machine

carries

of

STYLES

Trimming

R.P.M.,

single

knitted

Type

widths:

range needle,

loosely

wide.

seam

a on bed

OF

one

for

with

depending

needle,

3/32

8—16

high

knitted

width;

is

5/64

location.

Style

the

casting

or

number,

right

at

MACHINES

curved

two

mechanism

differential

main

and

self—contained

on

low

GAS

inch.

fabrics

needle;

(2.4mm),

or

154

per

woven

inch

capacity

fabrics

Type

8454

1/4

inch

(1.98mm)

rear

the

with

stitch

capacity

machine

with

GS

needle;

inch

which

the

of

right

blade spring

oil

length

machine

where

seam

1/8

a

(6.4mm);

to

this

on

machine.

base

rear

needles,

pressed feeds,

filter

and

long

specification

inch

for

(3.2mm),

seaming reinforcing seam

specification

stitch

RIGHT

the

Class

two lower

needle type

for

straight

of

machine Serial of

machine.

loopers,

cooler,

cooler.

oil

of

seaming

504 5/32

all

tape

range

single

knife,

seams

types

up

12—26

to

39500

Same

WE

control Same

WF

seaming

seams

WK-l.98

WP

Same having

Heavy

WW

weight

154 inch NOTE:

Style

as

when

Style

as

medium

are

Same weight wide.

NOTE:

as

Style

12

duty,

knitted

needle;

GAS

(6.7mm);

Second machine

sewing

primary

a as

knitted

Stitch

Second needle

T.P.I.

two

39500

to

Style

39500

or

stitch needle

location.

WA

curves WA

heavy

requisite.

39500

fabrics

range

needle

machine

WF

needle,

woven

seam

except

or

except

weight

WC—1.98

with

per

8—16

is

5/64

location.

except

capacity

high fabrics

specification

7/64

8—16

inch

range is

fitted

-

irregular

heavy

—

knitted

Stitch

except reinforcing

inch.

inch

equipped

—

requiring per

(2.78mm)

512

inch.

with

shapes.

duty,

woven

or range

for

-

(1.98mm)

with

machine

a

SSa—2;

narrow

high

fabrics

8—16

seaming

tape

to

main

for

simulated

standard the

to

sewing

capacity

per

to

up

the

and

seaming

LEFT

parts

machine

where

inch.

types

all

13/64

RIGHT

differential

medium

safety

width

seam of

single

for

long

of

inch

of

single

stitch.

better

for

straight

light

(5.2mm)

feeds

heavy

to

17/64

needle

Type

4

MACHINE

STYLES

(Continued)

39500 39500

39500 39500 39500

39500 39500

39500

CWA

Same

CWC-1.98

CWE CWF

Same Same

CWK—1.98

CWP SWA

Same Same

162

SWC-1.98

SWE

Same 162

SWF

Same 162

as

Style

Same chain

as

Style

as Same

chain as

Style

as

Style

SAS)

which

Same NEEDLE

as

Style

SAS)

which

Style

as

SAS)

which

as

cutter.

as

cutter.

as

(Type

39500

Style

39500 39500

Style

39500 39500

reduces

Style

39500

reduces

39500

reduces

WA

39500

WE WF

39500

WP WA

39500

162

WE

WF

except

WC—1.98

except except

WK—1.98

except except

needle

WC—1.98

SDS)

except needle

except

needle

—

-

—

cutting.

which

-

cutting.

—

cutting.

fitted

except

fitted fitted

except

fitted designed

except

reduces

designed

with

—

with

—

with

to

-

needle to

to

Power

fitted

Power Power

fitted

Power

use

designed

use

hlAir_KlipphDchain

with

Power

“Air—Klipp” “Air—Klipp”

with

Power

“Air—Klipp”

SHORT,

to

STIFF

use

SHORT,

cutting.

SHORT,

STIFF

cutter.

“Air

Klipp”

chain chain

cutter. cutter.

“Air—Klipp”

chain

NEEDLE

cutter. (Type

STIFF

NEEDLE

(Type

39500

39500 39500

39500

SWK—1.98

SWP

Same 162

CSWA

Same

CSWC—1.98

CSWF

Same

CSWK—1.98

CSWP SWAL

Same

Same seam

SWFL

Same seam

SWPL

Same seam

Same

NEEDLE as

Style

SAS)

which

Style

as Same

chain

Style

as

Same chain

as

Style

as

Style

width

Style

as width

Style

as

width

as

cutter.

1/8

Style

(Type

39500

reduces 39500

Style

cutter.

39500

Style

39500 39500

39500

inch

39500

162

WP

SWA

39500

SWF

39500

SWP

SWA

(3.2mm).

SWF (3.2mm).

SWP

(3.2mm).

WK—1.98

SDS)

except needle

except

SWC—1.98

except

SWK-.1.98

except except

except

which

—

cutting.

except reduces

designed

—

fitted

except

—

fitted

except

—

fitted

—

equipped

—

equipped

—

equipped

—

designed

needle to

with

—

with

—

with

use

Power

fitted

Power

fitted

Power

to

cutting. SHORT,

“Air—Klipp”

with

‘Air—Klipp”

with

“Air—Klipp’

Latch

SHORT,

use

STIFF

NEEDLE

chain

Power

“Air—Klipp”

chain

Power

“Air—Klipp”

chain

Tacker.

Standard

Tacker. Standard

(Type

cutter.

5

SPEED

RECOMMENDATION

39500

maximum

lower

rated

speed.

recommended

Machine

the

must

machine

Use degrees filler

(B). the halfway

(354.9

F.

cap

Replace

system.

between

to

To

maintain operating case

ever

located

should

at

oil

8M

machines

speeds.

When

stitch

be

run

may

be

a

straight

This

Fig.

(A,

oil

Check

the

414.Oml)

continuously,

remain

oil

of

rear

is

changed.

have Varied

operating

length,

7000

at

operated

mineral

is

equivalent

1),

filler

sight

two

required

is

maximum

machine

It

been

sewing

from

it

may R.P.M. at

oil oil

add

and

cap gauge

lines

of

recommended

the

oil

in

the

machine

near

recommended

is

tested

in

applications 50—100% be

necessary

the

for

recommended

LUBRICATION

Saybolt

UNION

until

run sight

fill

a

indicator

machine

add

SPECIAL

oil gauge

the

with

to

and

to

speed

must

be

changed

for

bottom

edge

months is machine contaminated filter

their

machine

first speed

as system. and

more

to

change

not

to

viscosity

Specification

is

30

—

required

(B).

servicability

at

than

of

base.

operation

of visible

is

should

complete

may

necessitate running reduce

weeks

four

(8000

R.P.M.).

level

40

seconds

until

Approximately

least

one

year.

ALWAYS oil

filter

the

in

running.

condition

changed

be

stitch cycle

machine’s

of

operation.

of

90

No.

with

top

at

the

of

every

Oil change after

or

—

oil

this

At

to

more

ranqe

at

operating

longer

and

speed

125

seconds

to

175. of

line

half

speed indicator 14

this

six

16

to

equipment

months.

drain

oil

first

the

immediately,

filler

cap

time

determine

or

less

their

at

than

by

10-15%.

Thereafter

Remove

sight

to registers

ounces

In

plug

filter

when

while

evaluate

if

often.

a

at

oil

fill

when no

is

when

three

the

100

gauge

oil the

oil

is

oil

NOTE:

An

in filter visible

e_B

running) revert

Fig.

1

not tended

replace

To

hand cover may

and

assembly

tightened

assembly.

be

the

assembly.

and

cover be of it off cover tight)

A

—-

Fig.

2

-

by—pass

lubricating

the

should

in

to

advisable

length

filter,

(A,

necessary

new

recheck

machine

the

filter

Replace

filler

Fig.

and

oil

valve

become

splash to of

unscrew

remove Due to

screw on

level.

system

cap

will operate

time.

2), to

the

cover

incorporated

so

clogged

while automatically

system,

for

oil

which

filter

tight

the

tolerances, old

shaft

assembly

if

(oil

machine

but an

filter

should

from

filter

of

oil

it

ex

the

(hand

not

is

only shaft

6

NEEDLES

Eich

of

shank,

on

the

shank

and

which

To sample packages. Size

110/044”.

ine

covered

needles

most their

satisfactory

description,

NEEDLE

154

GAS

162

SAS

needle

is

given

have

needle,

are

TYPE

needle point,

eye.

orders

A

complete

by available,

has lenqth,

shank,

Collectively,

the

on

promptly

or

the

The

type

this

catalog

results.

and

both

groove,

denotes

label

type

order

numbers but the

Round blade,

groove,

chromium

Round blade, struck plated.

a

and

the

sizes

type

the

type

of

all

and

size

would are

ones

The

shank,

and

size finish largest

and

size

needles

accurately

number

read

as

of

the

given

in

indicated

type

number

available

DESCRIPTION

round

standard

struck

plated.

round

Class

“D”,

groove,

number.

and

other

diameter

number

packaged

filled,

should

follows:

needles

the

of

are

point,

length,

groove,

point,

single

spotted,

The details. of

represents

be

recommended

machine

are

those

the

recommended

listed

curved

single

spotted,

curved

groove,

chromium

type

blade,

and

sold

forward

given.

“1000

style

recommended

below:

number

The

size

measured

the

Union

by

the

empty

See

Needles,

for

each

description.

needle,

denotes

number,

midway

complete

Special. package,

description

Type

style

to

produce together

SIZES

AVAILABLE

055/022, 070/027, 080/032,

100/040, 125/049, 150/060.

055/022,

01O/07,

080/032, 100/040,

the

symbol,

154

GAS,

of

Other

065/025, 075/029,

090/036, 110/044, 140/054,

065/025, 075/029, 090/036,

110/044.

kind

stamped

between

a

on

mach

the

with

162

SOS

8454

OS

With presser and

swing handwheel position.

(A,

Fig.

Rotate

its

highest

and

insert swing into

presser

sewing

bushing.

THREAD

AS

MACHINE

APPLICABLE.

needle

foot

presser until

Loosen

3)

new

NEEDLE

in

release

foot

needle(s)

needle

with

socket

handwheel

position.

needle(s).

foot

position

INDICATED

AS

Slabbed inch Class groove,

Slabbed

inch standard struck

REPLACEMENT

position

up

bushing

the

to

is

clamp

wrench

until

needle

Remove

Tighten

the

to

with

right

presser

IN

shank,

(1.43mm)

“D”,

round

slab,

single

spotted, shank,

(1.43mm)

round

slab,

length,

groove,

chromium

rotate

counterclockwise

left.

at

stud No.

old

and

FIGURE

lowest

nut

21388 arm

needle(s)

nut

lock

foot

Turn

A.

is

(A),

foot

release

4—4A,

point,

curved

groove,

chromium

point,

curved

single

in

.056

blade, struck plated.

.056

blade, groove, plated.

055/022, 070/027, 080/032.

055/022, 080/032, 100/040.

Fig.

065/025, 075/029,

070/027, 090/036,

3

7

C,)

Ui D

I 4 Ui

LI

z

-J

0 0

C-)

z

4

z

0

w

0

-J

w

Cl)

u-i

>

Cl)

z

I-

4

C.)

D

-J

I—

D 0

-J

0

8

ROUTE

AROUND CHAIN

LOWER

GUARD

CUTTER

LOOPER

AND

AS

SHOWN

THREAD

UNDER

TURN

PRESSER

TO

PRESSER

ROUTE TENSION

RELEASE ARM

THREAD

POST

ARM

SLOT

ROUTE IN

FRONT

THREAD

OUT

LOOPER

OF

PULL-OFF

THREAD

LOOPER

UP

DING

4

Fig.

9

ROUTE

AROUND

CHAIN

LOWER

GUARD

CUTTER

LOOPER

AND

AS

SHOWN

THREAD

UNDER

TURN PRESSER

SWING

TO

RELEASE

PRESSER

ARM

OUT

10

Fig.

PULL

4A

TUBE

UP

FOR

NEEDLE

ALIGNMENT

Needle(s)

of

throat

Fig.

5,

SWPL

guard needle and

necessary.

(A),

dimension

(See

If

reposition

then

With

plate,

except

LATCH

adjustment

and

looper

driving

proceed

needle from

must

left

on

Styles

TACKER

is

thread

arm

clamp

arm

to

Temporarily

to

driving

top

of

center

to

required,

the

check

throat

in

needle right, 39500

INSTRUCTIONS).

pull—off.

screw

right

tighten

needle(s)

arm

at plate

as

shown

SWAL,

remove

Loosen

(A,

Fig. left

or clamp

NEEDLE

highest

as

slot(s)

in

SWFL,

fabric

6) as

screw,

height.

position,

shown

HEIGHT

in

Fig.

the

6.

tip

See

of

chart

Fiq.

needle(s)

below.

5

LEFT

should

TO

RIGHT

be

“X”

If

screw

ward

dimension

‘NEEDLE

replace

guard.

(A,

or

Machine

39500

39500 39500

adjustment

Fig.

rearward

being ALIGNMENT”. looper

WA,

CWP, WC, SWA,

CSWP,

6)

and

as

careful

thread

Styles

is

WE,

WF,

SWC,

WK,

CWC,

SWE,

SWAL,

required, reposition

required

not

Tighten

pull—off

WP,

SWK,

CWK

SWF,

SWFL,

to

clamp

WW,

CSWC,

SWP,

SWPL

loosen

arm

obtain

disturb

screw

and

fabric

CWA,

CSWK

CSWA,

clamp

(B)

“X”

CWE,

CSWF,

for

(A),

CWF,

“X”

1/2

31/64 33/64

Dimension

inch

(12.7mm)

(12.3mm) (13.1mm)

1

11

Fig.

6

in

(C)

Remove

screw

and

(B)

screw

cloth

and

(D)

CLOTH

plate

lifting

assembled

PLATE

(A,

upward

Fig. to

7)

with

cloth

by

stud

plate.

loosen—

_z]_

Fig.

L

Before

and

(C)

end

move swing plate

flat machine notch

open to

and

of

Cloth

tioned

.127mm)

throat Screw

8

PRIOR

(F)

TO

replacing

tighten

play,

when

machine

‘V’

notch

bed.

stud

plate

to

provide

clearance

plate

when

secures

CHECKING

screw

yet

assembled.

Tighten

(C)

LOWER

cloth

(D)

allowing

inserting

by

to

the screw

against

bumper

.003

to between cloth bumper

LOOPER

ADJUSTMENTS:

only

rear

screw

(E)

.005

cloth

plate

in

plate, cloth

Assemble

(B)

should

place.

hold

enough

plate

into

to

(D).

(C)

press

stud

be

inch

plate

closed.

is

REMOVE

to

cloth

with

hole

posi—

(.076

and

NEEDLE

stud

re

to

of “V’

to

GUARDS.

If extreme left

end

dimension.

Turn position and

tighten

adjustment right

of

and

travel

handwheel

point

to

clamp

Fig.

TOUCH

9

is

loosen

and

to

nut

required,

clamp

adjust

bring

but

(B).

nut

same

looper

NOT

turn

handwheel (B). in

or

point

DEFLECT

With travel, line

of should except and

CSWK.

(1.6mm)

Styles

CSWK.

or

Looper

21225—1/8

checking

Turn out

handwheel

of

into

needle(s);

looper the needle;

be

WC,

on

WC,

this

position

to

looper

scarf

distance

1/8

WK, This

Style

WK,

gauge could

of

then

at

or

inch

WW,

dimension

14W

CWC,

setting.

to

shaft

needle bring

extreme

from

left

needle

(3.2mm)

CWC,

CWK,

and

7/64

CWK,

No.

21225—1/16,

be

used

looper position

to

obtain

(or

looper

end

left

its

point

(“X”,

all

on

SWC,

should

be

inch

SWC,

SWK,

advantageously

Fig.

(A,

looper

specified

left

to

needle) extreme

of

to

center

Fig. Styles SWK,

1/16

CSWC

inch

(2.8mm)

and

CSWC 21225—7/64

at

8) at

extreme

and right

8)

on

in

12

REAR

NEEDLE

GUARD

Remove

holder

throat

into needle of

guard

guard shown. guard

in

justed.

until left

lower

into

SURFACE

prevent

to thread needle(s), Guard

must movement at

any

Replace

using

to

be

screw

hold adjusted.

ection

Set

guarding

needle(s)

inch

.004

Check

to

between

spring

Fig.

(A,

plate

(B)

centered

Temporarily

position,

Rotate

looper

scarf

needle

of

from

it

as

loop

then NOT

come

or

guard

of

FRONT

front

(F).

in

point

Rotate

until

needle(s) SURFACE

with

(.10mm)

ensure

front

and

from

then

9), support

using

slot

in

tighten

yet

handwheel

CD) needle(s).

of

guard

interfering

being

is

tighten

interfere

contact

in

travel.

NEEDLE

needle

Temporarily

position,

handwheel of

minimum

and

needle(s)

rear

inside

reassemble

block.

screw

of

allowing

in

travels

(B)

formed

screw

with

guard

yet

at

is

needle

clearance

tighten

is

needle

of

with

(C) knife

screw

guard

operating

from Set

low

as

with

to

(C)

lower

with

GUARD

(E,

tighten

allowing in

lowest

guard

screw

NOT

guards.

lower

knife

Replace

front

holder

to to

hold be

(C)

direction

extreme

guarding

possible

as

needle

of

rear securely.

knife

lower

looper

Fig.

screw

guard

operating

position.

(E)

—

approximately

securely.

(F)

being

pinched

holder rear

edge

as

ad

holder

9)

to

(F)

dir

to

Fig.

10

11

Rotate

upper

(Fig.

looper

10).

looper

Continue

at

the

descending

extends

THE

UPPER

TRAVEL.

Figures

adjusting

handwheel Point

with

minimum

needle(s)

from

LOOPER

upper

as

it

rotating

needle(s)

the

12

and looper

in

moves

upper

of

clearance

handwheel

(Fig.

eye

11).

of

SHOULD

13

and at

operating from

looper

At

will

looper

the

RUB

NOT

the

its

extreme

must

should

and

until

this

pass

AGAINST

chart

extreme

UPPER

direction

right

pass

upper

point

the

to

back

to

THE

following

right

LOOPER

and position the

pass

looper

the

right

the

LOWER

and

13

closely

notched

under

upper

of

the

previously

LOOPER

relate

left

observe approaches

and

area lower

the reaches

looper

upper

formed

OR

approximate

positions

the

lower

behind

the

looper

extreme

the should

looper

be

thread

stitch.

NEEDLE(S)

dimensions

travel.

of

path

head

thread.

left

in

AT

of

the

looper

of

position

which

POINT

ANY

for

lower

so

OF

UPPER

LOOPER

(Contirwed)

39500

To

adjust

MACHIN[

STYLE

WA,

WE, CWE, CSWA,

WC,

WK, CWK, CSWC,

WW

WP,

WE,

CWP, CSWF, SWFL,

upper

CWA,

SWA,

SWAL

CWC,

SWC,

CSWK

CWF,

SWF,

CSWP,

SWPL

SWE,

SWK,

SWP,

looper,

SHANK

ABOVE

1/32 (.8

1/16 (1.6

1/16

(1.6

follow

EXTENDED

HOLDER

Fig.

12

to

1/16”

to

1.6mm)

to

3/32”

to

2.4mm)

to

3/32”

to

2.4mm)

to

3/32”

to

2.4mm)

instructions

in

sequence

HEIGHT

THROAT

Fig.

31/64”

35/64”

ABOVE PLATE

13

(12.3mm)

(13.9mm)

as

listed:

POINT NEEDLE

Fig.

5/32”

left

9/64”

right

9/64”

TO

LEFT

OF

CENTERLINE

F”

13

(4.0mm)

needle

(3.6mm)

needle

(3.6mm)

4.

1.

2.

3.

Position set

upper

screw With

upper

rotate Fig.

12,

Rotate looper.

behind Continue

left

end

upper

3.

upper

looper

(A).

looper

holder

then

handwheel

The

the

head

to of

looper

CD)

temporarily

POINT

of

rotate travel.

to

dimension

LOOPER

RIGHT

at

shank

positioned as

required

operating

in

of

upper

the handwheel

Rotate

AT

END

the

dimension

to

tighten

lower

“E”,

EXTREME

OF

TRAVEL

left

at

to

direction

looper

looper. in

upper

C

end

the

set

screw

should

operating

looper

Fig.

“B

right

shank

13,

of

above

(C).

bringing

See

from

travel,

end

slightly

set

be Fig.

direction

holder

top

LOOPER

LEFT

loosen

holder,

of

travel,

the to

10.

as

of

AT

END

back

upper

enter

until

required

throat

EXTREME

OF

TRAVEL

then

clamp

temporarily

loosen

of

vertical

looper

the

looper

to

plate.

screw

into

notched

is

position

(A,

tighten

(C)

as

the

area

at

extreme

POINT

Recheck

Fig.

and

shown

LOWER

Step

12)

in

of

Fig.

12

Fig.

14

13

2:

5.

With

move

Fig.

screw

6.

If

the

can

“B”), shank Reversing

ASSEMBLE

upper

looper 13

which

(C,

needle(s)

be

increased See back

MAIN,

looper

holder

Fig.

Step

of

this

still

in

is

to

12), is

by

1.

It

vertical,

procedure

or

the

then being

reducing

will

MAIN

DIFFERENTIAL,

UPPER

positioned

out

left

screw

LOOPER

of of

(A)

deflected

the

then

See

Step

will

position

DIFFERENTIAL

AND

CHAINING

left

at

its

shaft

centerline

securely.

by

length

be

necessary

2.

Set

FEEDS

(Continued)

end

to

of

the

upper

of

looper

the

AND

THROAT

of

set

needle

to

FEEDS

travel,

POINT

looper,

shank

slightly

lower

to

closer

PLATE

of

(or

it looper

left

clearance

above

reduce looper,

the

to

MACHINE,

TO

may

needle).

holder

the

needle(s).

be

necessary

dimension

to

the

(dimension

angle

See

Step

AS

APPLICABLE.

“F”,

Tighten

needle(s) of

3.

to

the

until

top should time. travel,

mately

as

screw as

required screw and height

then

loosen

throat

Rotate

teeth

surface

shown

If

(A) (A).

adjust

tighten

On

screw plate,

handwheel of of

be

level

With

feeds

their

3/64

in

inch

Fig.

adjustment

and

to Loosen

feeds

above

all

Styles,

rising throat

with

teeth

rotate

level

throat screws

CD)

then

throat

at

highest

should

(1.2mm)

14.

is

tilt feeds,

feed

up

or plate

(C).

except

and

set

tighten

operating

in feeds plate.

extend

above

required,

adjusting

attaching

down

as

WK,

height

screw

are

The

plate

position

throat

then

obtain

to

shown

WW,

of

direction

above

feeds

at approxi-.

loosen

tighten

screws

in

CWK,

chaining

(D).

this

the

of plate

lock

(B)

lock

(C) proper Fig.

SWK,

14,

CSWK:

feed

with

even

with

feeds

the

at

stitch

Fig.

highest

14

tongue

position,

of

15

LOWER

KNIFE

rear

to

and

NOT

left

to

width

this

position

Adjust

check

material.

If

cutting

required,

as bind

right,

measuring

by

adjustment,

Readjust

Fig.

edge

with

by

and

UPPER

15

of

then

needle

loosening

from

tighten

KNIFE:

by

measuring

if

necessary,

knife

tighten

guard

center

screw

then

is

centered

locknut

of

(F).

sew-off

the

tilted,

screw

needle

distance

obtain

to

(E),

INSERT AND

be throat ified

ment

knife

is

tighten

loosen (C). in

screw

to

a

on

SPRING

ASSEMBLE

Cutting

even

and

plate.

seam

is

required,

up

(A)

flush

with

screw

Holder

slot

of

(F)

cutting

from

of

needle

piece specified

BACK

HOLDER

edge

parallel

Examine

width

or

top

(B).

(C)

MUST knife and

set

edge

selected

seam

INTO

THROAT

TO

of

knife

with

sewn

and

appearance.

loosen

down

until

of

throat

and

rotate

move

freely,

holder.

knife

of

knife.

material

penetration

width

LOWER

(A,

top

sample

screw

its

plate,

holder

Adjust

to

specified Hold

to

or

appearance.

KNIFE PLATE

Fig.

surface

If

(B)

cutting

left

knife knife

to

further

edge

HOLDER SUPPORT.

must

15) of

spec

for

adjust

and

edge

then

front

(D)

ri9ht,

to

(A),

seam

in

of

NOTE:

REMOVE

ARM.

ALSO,

At

1/32

inch rotate knife

(G,

against

upper

knife

knife,

Assemble

chain

edge, move

guard then

freely

tightening

NOTE:

SHEAR

See

NEEDLE(S)

RE-ASSEMBLE

(.4

position

—

lowest

handwheel

Fig.

15)

lower

knife,

cutting

then

tighten

knife

CL)

tighten

left

screw

Locking serves

nut

as

ANGLE

AND

.8mm)

position

to

at

edge screw

clamp

against

nut

right.

to

(F)

CE)

a

latch

ADJUSTMENT.

RE-ASSEMBLE

UPPER the

below

KNIFE

front cutting

upper

1/64

position

knife

—

1/32

lowest

adjust

(J). (K)

and

surface

top

(M).

against

must

Loosen

If

desired,

knife

be

tightened

for

UPPER

IN

tip

edge

knife

holder

inch

chain

of screw

holder.

cloth

KNIFE

KNIFE HOLDER

of

upper of driving

of

travel

(H)

(.4

guard

upper

(F)

the

to

plate.

HOLDER

AND

knife

lower

arm

and

left

—

.8mm)

(L)

knife

to

enable

lower

screw

hold

INTO

HOLD

cutting

knife.

at

while

right,

to

in

position

and

knife

SLOT

KNIFE

lowest

below

slightly

spring can

(F)

OF

FIRMLY edge

If

adjustment

holding

to cutting

using

be

positon;

in

UPPER

IN

must

position;

upper

position

edge

nut

back pressed locked

KNIFE

POSITION. extend

is

with knife front

of

CM).

of

its

lower

in

position

screw

DRIVING

1/64

required,

upper firmly tip

lower

Set

cutting

knife

(F)

—

of

to

by

also

16

SURE

BE JUSTED ANGLE.

SHEAR

LOWER

PROPERLY

ANGLE

AND

BEFORE

ADJUSTMENT

UPPER

KNIVES

SETTING

AD

ARE SHEAR

1

With the

ion, cutting is

1

degree

Approximately

(.076mm)

Best knives adjusting.

throat lock screw required guide

screw

replace

position.

knives of

thread

cut

cleanly,

proper

edge

feeler

results

are

If

adjustment

plate,

lower

(C),

to

plate

(B)

throat

To

check

together.

upper

allowing

at

of

as

equivalent

are

properly

loosen

knife

clamp

angle

CE)

for

Place

the recheck

knife shear upper

shown

gauge

obtained

holder screw

top

in

plate.

proper

a

single

Thread

front

at angle and

Fig.

in

at

sharpened

is

required,

locknut

out

CD)

front

position

lower

edge

adjustments

lowest

between

lower

16.

a

if

and

knife

.003

point.

both

prior

(A)

of edge

while

of

position adjust

holder

knife

to this

alignment, strand should

posit

knives

inch

to

remove

and

of

lower

tightening

turn

of

thread

clean.

cut

described

away

(wedge)

knife

to

float

handwheel

in

opening.

from

guide

screw

the

Repeat

in

preceding

to

left

If

upper

attain

(C)

until

rear

this

either

plate

to

of

Fig.

knife

(E) proper

clamping

and right,

knives the

operation

of

the

paragraph.

16

with

forward

shear

tighten

are

opening

two

screw

in

by

threads

(B).

or

rearward

angle.

locknut

an

bring

and

placing

(D).

open

are

Loosen

Hold

Loosen

(A)

the

a

strand

as

and

not

LOCK

THE

LOWEST

Right plate The plate position

(C),

foot

in

17).

while

screw tighten release

binding. stitch stitch

17, foot foot, plate

as

adjustable

as

then aligns

throat

Tighten holding

Plunger

then

shank

forward for

PRESSER

POSITION.

edge

shown shown

release

by

adjust

with

plate

is

(F)

clamp

tongue tongue

against

bushing

should

Loosen

tighten

allows

optimum

FOOT

of (Ref. stitch in

lifter the

as

collar

lifter

screw

(A,

screw

(C)

of

throat screw

-

rearward

IN

presser

Point

tongue

Fig.

bushing

left

shown

screws lever

intermediate

(C).

Fig. clear

left

precise

feeding.

SEWING

foot A,

17. lever

edge

(Ref.

arm

Completely

18). presser

Fig.

(B,

right,

to

plate

(B).

adjustment

and

PRESSER

POSITION

must

Fig.

presser

on

If

adjustment

Fig.

(A,

shaft

of

Point

(B,

Fig.

CE)

17)

as

A

pivot

flatness

17).

(D)

needle

so

lever

arm

and center

to shown

type

FOOT

align

foot

18), left

Fig.

A,

18)

its

(G),

unlock

without

adjust

in

presser

of

on

ALIGNMENT

ROTATE

AND

with

Presser

must required,

is loosen

or

slot and

stop

over

Fig.

presser

throat

HANDWHEEL

edge

left

must

foot

center

collar

right_until

over

lock

screws

of

lie

presser

the

—

UNTIL

needle

flat

stitch

(B)

right

Fig.

NEEDLE(S)

slot on

foot

and

in

throat

tongue

in

clamp

edge

17

throat

plate.

of

sewing

screw

of

presser

-A

-c

-B

IS

throat

AT

-

17