Union Special 63400KA, 63400KB User Manual

I N

DUSTRIAL

FINEST QUA

STYLES

63400 63400

LITY

KA

KB

®

ltnum~

L E W I

S®

• C 0 L U M B I A®

SE WI N G M

ACHI

N ES

CATALOG

No.

121

KA

Fourth

Edition

HIGH

THREAD

STREAMLINED

SPEED

CLASS

LOCKSTITCH

63400

MACHINES

WITH

"KLIPP-IT

~

UNDERTRIMMER

UNION SPECIAL

CH

I C A

CORPORATION

GO

C a t a 1 o g N

( S u p p 1 e m e n t t o C a t a 1 o g N

o.

1 2 1 K A

I N S T R U C T I 0 N S

F 0 R

A D J U S T I N G A N D 0 P E R A T I N G

L I S T 0 F P A R T S

C

L A S S 6 3 4 0 0

S t r e a m 1 i n e d L o c k s t i t c h

S t y 1 e s

6 3 4 0 0 K A 6 3 4 0 0 K B

o.

1 2 1 M )

F o u r t h E d i t i o n

C o p y r i g h t 1 9 6 7 & 1 9 7 8

b y

U n i o n S p e c i a 1 C o r p o r a t i o n

R i g h t s R e s e r v e d i n A 1 1 C o u n t r i e s

UNION

SPECIAL CORPORATION

INDUSTRIAL

SEWING

MACHINES

CHICAGO

P r i n t e d i n

U.

S.

A.

2

March,

1981

Each

into

the

special.

the

letter

"Z".

the

Standard

name Standard

When

UNION

plate

"Z". only

Style

IDENTIFICATION

SPECIAL

Style Example: minor

machine

on

the

numbers

changes

machine.

"Style

number. Example:

is have

63400

are

identified

Style one

KA".

made

in a standard

"Style

OF

MACHINES

by a

numbers

or

more

Special

63400

Style are

letters

Style

machine,

KAZ".

number

classified

suffixed, numbers

a "Z"

which

as

but

contain

is

stamped

standard

never

the

suffixed

and contain letter

to

Styles

which

differs

"63400".

This

junction

but

not

book.

the

63400

Opposite

number,

NOTE:

column.

Adjusting those ions

in

included and B, and

KB.

The

herein.

in

this given of

from

handwheel

of

machines

from

catalog

therewith.

used

on

For

clarity,

KA

and

the

description,

When

ordering

and

Catalog

in

or

are

additional

catalog It

can

class.

the

operator's

is

similar

the

style

is a supplement

Only

Styles

those

63400 A

certain

KB

parts.

illustration

and amount

repair

operating

No. 121 M

this

for

catalog

instructions

applies also Reference

specifically

be

applied

to

position

toward

the

operator.

in

construction

number,

in

APPLICATION

to

Catalog

parts

which

or B are

63400 A

page,

or B parts

par~s

required.

parts

always

instructions

Styles

are

63400 A and B

the

ones that

to

with

discretion

direction,

while

that

it

OF

CATALOG

No.

are

illustrated

are

identified

use

the

for

Styles

that

pertain

the

Standard

such

as

seated

are

grouped

contains

121 M and

used

on

and

shown

part

number

63400

respectively.

are

different

specifically

Styles

to

some right, at

the

under a class

no

letters.

should

Styles

listed

in

phantom

by

detail

listed

KA

of

Special

left,

front,

machine.

be 63400 at

the

and

KB

The

from

Styles

to

Styles

machines Styles

Operating

number

Example:

used

KA

and

back

to

help

number,

in

the

are

similar

only

as

of

back,

in

con-

KB,

of

this

locate

part

second

instruct63400 A 63400

KA

listed machines etc.,

are

direction

to

High

Speed Thread Duty, Stitch Oil

Siphon,

ustable

Link,

11

1/8

63400

KA work, 1 9/64 needle.

thread

speed

63400

KB weight GYS

thread

speed

STYLES

Wiper,

Drop

Length

Feed

Streamlined

Prepared

Feed,

Rotary

Indicator,

Adjustable

Eccentric,

Long

for

Hook,

One

Hook

Needle

Arm

Needle

Horizontal

Reservoir

Oil

Feed Timing on Lower Main

inches

needle.

(282.58

For

miscellaneous

inch

Specify

size,

needle

5500 R.P.M. -

For

miscellaneous

work, 1

Specify

size,

needle

5500 R.P.M. -

mm).

(28.98

presser

13/64

plain

mm)

foot,

type

and

depending

plain inch presser

type

and

depending

OF

Lockstitch

Positioner,

Control,

Bearings

Shaft,

seaming

needle

throat

size,

on

operation.

seaming

(30.56

mm) foot, size,

on

operation.

MACHINES

Machines,

One

Hook

Shaft,

Enclosed

Automatic

for

Take-up

Maximum

Work

operations

bar

travel.

plate,

attachments

operations

needle

throat

plat

attachments

with

Needle,

Push

Automatic

Head

Lever Space

on

Type 183

feed

dog,

and

Thread Light, Button Lubricating

Oiling,

and to

light

stitches

guides.

Undertrimmer

Medium and Heavy

Stitch

Needle

Right

of

and medium

GXS

or

Maximum

on medium and medium heavy

bar

travel.

e ,

feed

and

guides.

Type 180 G

dog, stitch

Maximum

Regulator,

Sy

stem, He

Bearing

Bar

Driving

Needle

weight

183

GYS

per

inch, recommended

XS

or

es per i

r ecommended

and

ad

Adj-

Bar

180

nch,

3

Each

needle

of

shank,

on

the

Collectively,

point,

needle

has

length, shank, the

type

both a type

groove,

denotes

number and

largest

NEEDLES

and

size

finish

diameter

the

and

size

number.

other

of

number

The

type

details.

the

blade

represent

number The

size

measured

the

complete

denotes

number,

across

the

stamped

the

symbol.

kind eye.

Needle

Type 183

the

sizes

Typ e

180

183

No.

GXS

GYS

GXS

Type 180

GXS

or

183

GYS

available

Round groove, plated -sizes 140/054,

Round groove, sizes 150/060.

Round single chromium 110/044.

are

shank,

wide

150/060.

shank,

wide

075/029,

shank,

groove,

plated

GXS

or

180

GYS

is

recommended

is

recommended

listed

round angle

075/029, 080/032, 090/036,

round angle

080/032,

round

wide

-

below.

Description

point, groove,

point,

angle

sizes

for

lockstitch,

struck

lockstitch,

struck

090/036,

lockstitch, groove,

065/025,

Style

groove,

100/040,

struck

075/029,

and

63400

Sizes

short

extra

for

Style KA.

length, deep 100/040,

length,

deep

110/044,

short

groove,

080/032,

Their

spot,

length,

deep

63400

ball

110/044,

ball

125/049,

090/036,

KB

description

eye,

ball

eye,

chromium

spot,

and

single

point,

125/049,

single plated

140/054,

ball

ball 100/040,

needl

and

chromium

eye,

point,

e

-

183

GYS

sample label.

used. stitch

size

upon

Round single plated -sizes

To

have

needle,

A

complete

Selection

Thread formation.

The

strength

of

the

size

shank,

needle

or

of

should

thread

of

round

groove,

the

order

proper

requirement

employed.

the

wide 075/029,

orders

type

would

needle

pass

SELECTING

needle

point,

angle

promptly and

size read:

freely

of The

employed.

lockstitch, groove,

080/032,

and number

size

through

THE

the

quality

accurately

"1000

should

the

SIZE

seam

extra

struck

090/036,

should Needles,

be

determined

needle

OF

THE

produced of

the

short

groove,

100/040,

filled,

be

forwarded.

Type 180

eye

NEEDLE

is

l a

work

desired

deep

an

by

in

order

rgely

length,

spot,

110/044.

empty

Use

GXS,

Size

the

size to

dependent

is

largely

ball

package,

produce

eye,

chromium

description

080/032".

of

thread

upon

dependent

a

on

a good

the

4

The

of

thread. previous or

smaller

following

The

paragraph,

than

SELECTING

table

choice,

which

the

size

THE

shows

however,

the

may

dictate

specified.

SIZE

preferred

should

OF

THE

give

the

NEEDLE

size

of

consideration

selection

(Continued)

needle of a needle

for a given

to

factors

size

referred

slightly

and

larger

kind

to

Cotton

Size

100

Where

too

small

distinguish

Part

appear.

Thread

0 30 36 40 50 60 70 80 90

the

construction

for a complete

one

part

numbers

represent

from

permits,

catalog

another

the

Mercerized

Size

00

000

0000

IDENTIFYING

each

part

stamping

that

is

same

part,

Thread

B

A A 0

PARTS

is

stamped

are

identified

similar

regardless

in

appearance.

of

the

with by

150/060

140/054 125/049 110/044 110/044

100/040 090/036 080/032 080/032 075/029

its

letter

catalog

Needle

Size

to to

to

to to to

part

number.

symbols

in

which

150/060 140/054

125/049

110/044

100/040 090/036 090/036 080/032

Parts

which

they

IMPORTANT!

PART

replacement

listed plate position.

with

icular throat

position ordering ed

IS

The

Two

in

presents

their

view plate,

Numbers

view

ORDERED.

arrangement

exploded

of parts.

plate

this

On

part

ON

parts

catalog a

the

being

feed

in

the

carries

ALL

ORDERS,PLEASE

of

for

Styles

view sector

page

numbers,

part Always

plates

opposite

shown.

dog,

first

in

a

ORDERING

this

catalog

63400

cover

and

Styles

of

the

descriptions Following

and

presser

column

the

illustration.

use

the

reference

INCLUDE

•

OF

REPAIR

is

to

KA

and 63400

the

differences

63400 A and B

machine,

the

are

part

number

parts

illustration

and

the

exploded

foot

reference number

PART

N.M1E

PARTS

facilitate

KB.

between

covered

being

will

the

number

view

combinations

numbers

Reference

listed

for

each

in available

AND

easy

in

aligned

be

found a

of

pieces

plates,

available

only, numbers the

second

STYLE

and

accurate

the Catalog

as

are

and

should

for

OF

MACHINE

Standard

l~o.

in

their

listing

required

plates

for

these

merely

never column. Each eKplodsafe.

FOR

ordering

Styles

121

M. assembled of

the

in

the covering

machines.

indicate

be

used

WHICH

of

Each

parts

part-

the

in

5

ORDERING OF REP

AIR

PAR

TS

(Continued)

Sub-a

a

solid

be

furnished

description 34

35 36 37 38

39

In

catalo

parts

ed tration.

UNION

sidiaries

proved

and

g , no spe for

in

the

Success

SPECIAL Repair

scientific

durability

sse

mblies,

lin

e bo x on the

for

of the

29480 63458 H

those

the description,

and

FM

660-360 670 G-18 670 G-23 660-3

cas

cific

vario

in the ope

authoriz

are assured.

which are sold compl et e,

picture

repa i r s , are

main

sub-assembly. Exampl

Rotary

47 es whe

principles, a

re a part

usa

ge

will

us

machines are not the same ,

and,

ration

Part

s as

ed dis

plat

indicated

Tension Rotary R

otary Fema l e Male Wire Te Solenoid Lead

i s

common

be me

if

necessary,

US

E G

ENUINE

of

these

furnished

tributor

nd

s . They ar e designed

are

e.

Sol Sol Connector Sle

ntion

or

by

separate

Component

by inde

Rel ea eno

id Cover

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Cover---------------------------------

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the di REPAIR PART machin

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made

with

parts

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cific

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Corpor

according to the mos t

on. Maximum

sse

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only

are

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er ed

Howeve

wit

at i

on,

in

bracket

which

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this

iciency

or

can

the

1 1 1 2 2 1

the ntionillus-

ub-

ap-

Prices

are

forward

wise

handwheel.

carefully ing

PREPARATION

attachin laneous lead tension

the

directed.

CAUTION! When

Befor

box, 'the

A bag

wire

Insert

upper

e l e packed.

g screw, one attachment

clamp,

releas

fram

are strictly

ed

f.o.b.

A

char

Using both hands

aving factory, each

Aft

followin

OF

MACHINE FOR

of asse

hin

mbly parts, co

to the bed plat

one

e sole

e eyel et

ge

noid

studs

ne t cash

shipping point.

ge

is made

unpackin

er the g s t eps

extra scr

ew f

l e

in

(A, Fig.

TERMS

and

subject

Parcel Post

t o

cover the postage

INSTALLING

g ,

DO

NOT

lift machine

on bed ca

machin

should

INSTALLATION

nsis

bobbin,

or synchroniz

ad

wir

hol

es

provided

2

stin

UNION e and

be f

ting of one

two hi nge s

e,

one s

e .

A)

to

chan shipments ar e

out

g, lif t gently.

SPECIAL acc ollowed:

ynchronizer

er lead

for them

top

machine is sewed

ess

ories

f rame

tud

s , two

wire

in

of

arm.

ge without

and insuranc e .

of

box

have been removed from the

thr

ead eye

scr bracket, clamp

r e

ar

of

by pla

ews f

and

cloth

notice.A

insur

ed

cing one

off,

let, or

holdin

one

synchroniz

thr

ee

plat

l l shi

unless

in

spected

one e

g mi

clamps

e .

yel

Assemble

pments other-

hand

and

pack-

et sce

ler for

on

6

STANDARD

ACCESSORIES

Included

bobbin

spring,one four

when TABLE

the

6347

winder

isolator setting

TOPS

Lockstitch

bed

228

634

6A

knee

plate

46Q-16

76

also

with

assembly,

lifter

pads

up

is

and

the

machines

FLUSH

each

the assembly clips,

machine.

are

with

machine

and

and one machine

installed

the

top

is

mounting

its

in

of

the

a box rubber

table

machine

of

STANDARD

frame,

pad,bed

rest

tops,

ACCESSORIES-containing

one

oil

positioning

pin.

mounting

These

prepared

drain

parts

with

frame.

jar

spring

are

cut-out,

and

essential

its and

clamp screw,

so

that

one

TABLE

BOARD

MACHINE

cut-out through over retaining lightly.

1/16 the

side

MOUNTING

On a suitable

with

right

Place

inch

retaining

of

left

plate

(1.59

the

hinge

sewing

plate

board

FRAME

tableboard,

hinge

pad

pad;

(21393

head

mm)

clearance

smartly

and

INSTALLATION

place

lugs

to

the

and

tighten

insert

R)

in

tighten

round

to

outside

the

upward

frame

between

locking

machine rear securely.A

head

with

(Fig.

wood

front

mounting,

the

cloth

a hammer

nuts

mounting

1).

Insert

sse

mble

screw

of

pan section,

and

plate

sec~~ely.

and

after

to

bed

insure

frame

tighten securely.Assemble

edge

(21393

the

countersunk

positioning

as

shown,and

being

sure

and

the

a good

N)

in

the

wood

spring

snug

there frame sides,

grip

is

on the und e

about

Fig.

machine

(63474A)

up

1

screw

the

nuts

rap

r-

Tip

the as but

shown.

must

All

not

machine

end

bind.

back

play

against

of

the

r e

st

pin,

cross shaft should

7

and

be

assemble

taken

the

up by

knee

the

press assembly

cone

bearings,

MACHINE

MOUNTING

FRAME

INSTALLATION

(Continued)

Before lifter the

maximum

within

raises

BOBBIN

The

located

when

allow pulley

scribed

BELTS

larged

the

in

belt

These

Thread

the

machine

rod

should

lift

the

head.

approximately WINDER

bobbin directly operation.

the

mechanism

of

the

to

under

for

winder

winder,

wind

"Winding

machines

machine

clarity.

be

of

This

in

the

is

adjusted.

the

presser

may

5/16

should

front

The

base

to

be

when

bobbin.

the

are

equipped

as

indicated

Needle

put

into

production,

The

left

bar

and

be

done

by

inch

of moved

(7.94

be

secured

the

sewing

of

the

winder

closer

in

operation,

Regulation

Bobbin",under

to

use

THREADING

in

Fig.

is

threaded

stop

its

setting

mm).

to

machine

to

or should and OPERATOR'S

either

2A.

from

the

screw

parts

the

table belt

has

two

farther

exert

operation

Ill

Threading

left

bell

do

stop

elongated

"Vee"

to

crank

(22597 F)

not

interfere

screw

top

so

and

will

away from

only

enough

of

the

INSTRUCTIONS

or

round

at

check

right.

(21665

should

with

so

that

that attaching

its

bear

belt

pressure

bobbin

in

belts.

spring

against

J)

of

be

set

moving

the

presser

pulley

holes,

as

needed.

winder

Catalog

has

the

knee

so

that

parts

bar

will

the

belt

which

The

against

is

de-

No.121M.

been

en-

be

8

Fig.

2A

OILING

CAUTION!

reservoir

Fill

oil

is added straight

in

dial a

long

After

when

the

Oil The

in

clockwise

It period,

oiling,

must main

at

maximum

needle

mineral

main

reservoir. may quantity

the

direction

is

recommended

Oil be

reservoir

oil

be

drained

be

lubricated

replace

Fig.

has been

fill

ed bef

at level is

of

12

when

in

yellow

of a Saybolt

This

from main

oil

supplied

of

the

decreases

that a new

head

A

drain ore

plug

needle

band

is

arrow

by

removing

cover

ed from the main re

starting

screw

marked

viscosity

equivalent

reservoir

to

(counterclockwise)

the

machine,

as

to

(B,

is

in

the

hook

flow

of

the

no

further machine bute

operation

63400 63400 A

No. 121

additions. from

the

found

operat

Fig.

yellow

headings

2A)

"LOW".

of

90

to

Union

by

removing

is

oil.

or

one

head

hand

slowly

oil

to

INSTRUCTIONS

The

adjusting

KA

and and B respectively, M,

the

ones

in

that

servoir

e .

and

band

cover

can

with The

marked "FULL".Oil

Use a

to

125

Special

controlled

increases

that

has

and

oiling

for

the

various

then

KB

are the

instructions

covered

will

catalog.

before

check

plug

indicate

oil

stainless seconds

specification

screw

by

dial

been

oiling

will

several

parts.

be

expected

FOR

MECHANICS

instructions

the

same

following

in

Catalog

shipment

level

water-white

at

1000

(E,

(D).

the

oil

out

of

the

moving

be

required.

minutes

Full

without

for

as

for

covered

exceptions

that

the

page

and

at

gauge(C);

should

Fahrenheit

No.

Fig.

2A).

Turning

flow

service

parts.

to

distri-

speed

Styles Styles in

Catalog

are

different

No.

121

it

can

the

be

175.

the

and

in

for

Run

damage.

and

M,

be

a

The

so

that

presser

tipping

lock

nut

the

lifter

to

the

right connection lock

the

When presser with properly guide

foot

the

(B) and

presser

it

is

bar

bushing

the

machine

(A,

lever

is

stop

locating

feed

when

bar

connection

about

Fig. or

accomplished. screw

must

dog

there

presser

7/16

(Fig.

back

15)

bell

left,

in PRESSER the

rest

in

is a 1/16

and crank the

directly

its

bar

PRESSER

inch

16

A).

against

relocating

(C).

proper

Tighten

place.

BAR

presser

lowest

connection

BAR

(A,

(11.11

This

the

By

setting

GUIDE bar

against

position.

inch

CONNECTION

Fig.

16

A)

mm)

above

is

accomplished

rest

pin,

the

stop

turning the

(Page 16)

guide

(1.59

(A,

of lock

(B,

the

mm) Fig.

9

the

Fig.

throat

The

space

(Page

should the

lower

loosening

screw

stop

presser

nut

(A)

16

plate

guide

between

16

A).

15) be by

(B) on

screw

bar

to

A),the is

set

the

Fig.

16

A

To

loosen

plate.

ing guide.

clockwise.

the the

set

it

so Now,

Set

underside

throat

obtain

screw

Set

the

that

apply

the

plate.

this

(D).

guide

the

needle

of

the

PRESSER

setting,

Tap on

to

needle

pressure

thread

wire

BAR

remove

presser

the

1/16

enters

to

the

take

is 4 3/4

GUIDE

inch

the

presser

up

wire

inches

(Page

the

pressure

foot

(1.59

middle

to

foot

(A,

(120.65

16

Continued)

insure

mm)

of

its

by

Fig.

from

dimension,

16B)

the

its

slot

turning

so

mm)

above

being

and

that

presser

down on center retighten

the

regulator

spring

the

screw

(C) the foot

(A,

and

throat

by

turn(D) Fig.

in

10)

1.

2.

3.

Set

the

centered Solenoid

release protrude of

1/16 tension located

(B,

Fig.

Tension set

screw inch in

the release

tacts

pressure spacer.

(.127

the

This

head

the

tension

on

the

plunger

and

a minimum inch post under

release

tension

solenoid

(1.59

assembly

18

A)

in

bracket.

mm)

can

of

solenoid

thereby

TENSION

assembly check

the

machine arm

as

solenoid

clearance disc.

be

spring

(E,

end

of

1/32

mm).

required.

accomplished should opening

If

in

Solenoid

plunger

then

plunger

RELEASE

so

that

eyelet

Fig.

or

between

16

solenoid

inch

adjustment

out

and

moving

is

secured

plunger

by

be

pin.

the

tension

the

tension

(A,

A)

must

plunger

(.79

mm)

by

loosening

stop

to

it

and

placing and

the

slipped

Care

disc.

(Page 17)

discs

Fig.

is

flat pin

onto

should

18

touch

pin to a maximum required

set

screw

of

(E)

the

tension

a

.005

end

of bushing be

After

are

A).

tension

must

move

screw

bushing

is

to

release

inch tension

taken

tightening

(F,

have

(.127

release

and

not

Fig.

approximately

mm)

moved

to

exert

set

16

A)

without

spacer

pin.The

in

until

screw

16

B

with

between

too

remove

.005

thread

tension it

must

a

con-

4.

The manual

release

Fig.

18 A

tension

thread

tension

(~)

and

average

7.94

mm)

scr

ew

NOTE:

in

the

tact

the

full

and

release

The

then tension

securely.

Head center

needle bearings. Che

operat

when tension

raising

of

presser

oil

cam

(G, Fig.

the pres

rel

r e

lease

er

brack

of

the

es free

ease cam or

foot

slot

ly.

16

ser

foot

lowe

ring

point

lift

et must

in the

10

A)

should

is

can

be

to

is

between

above

locate

connecting rod.Th

ck

the

be

raised

positioned

suit

the

throat

the

oil gau

the 1/4

set

for

back

sewing to

needle

ge

so

that

tacking.

by

loosening

conditions.The

5/16

inch

plate.

bar

link

e wi

t o be su

it

will

(6.35

Tight

oi l

ck must

re

it

not

screw

to

en

wick

con-

reads

ADDITIONAL

INSTRUCTIONS

FOR

63400

KA

and 63400

KB

TRIMMER

follows:

1.

2.

should tioning run positioning adjustments,

ADJUSTMENTS

Remove

There adjustment

taking

Position

ing

finger.

If

this

ing

(F)

the

side

of

The

lower

not

finger

out

of

the

should

up

the

upper

is until hole

the

Fig.

knife

extend

the

finger

loosen

positioning

be

no

can

be

made

excessive

knife

Check

not

so,

the

knives

in

the

arm

of

28

(A,

beyond

(B).

As

cutting

as

indicated

screws

finger

shake

by

end

(D)

to

see

loosen

eccentric

the

positioning

Fig.

the

lower

edge

(C) must

(A,

and

or

bind

loosening

play

parallel

that

the

finger

are

parallel.

bushing

Adjust knife. clockwise it.

CAUTION:

this

adjustment

checked.

29)

in

left

side

knife

at

point

Fig.

knife

in

lower screw

or

relieving

with

lower

finger

lower To

adjust to

Be

its

extreme

of

moves

coincide

30)

and

the

set

A good

(F)

knife

lower

sure

the

(D).

position

assembly

knife

(B) on

knife screw

located

(Fig.

or

arm

to

at a point

To

the

left

is

(E)

starting

until

the

lower

knife

bushing

parallel

left

of

the

make

pivot

side

30).

right,

from

machine

carrier

the

pivot

bind

as

the

of

the

parallel

and

approximately

it

knife,

and

is

position

the

posiof

these

knife.

with

turn

point

just

counterclockwise

not

adjustment

the

and

(A,

release

case

arm

of

the

eccentric

would

90°

contacts

turn

flange

turned

will

proceed

Fig.

lever may

the

upper be

to

the

while

have

as

28).

This

(C) and

be. position-

knife. bush-

to

have

the

right

upper screw(G) to

raise

making

to

D

be

3.

(A.

Assemble Adjust assembly recess

the

positioning

(B)

and

screws

tween

bobbin

Fig.

the

Fig.

32)

positioning

the

bobbin

by

turning

is

at

the

tighten

securely,

outside

case

recess

30

is

in

finger

case

the

top. finger the

finger

allowing

edge

(Fig.

4.

position.

holder

bobbin

Place

into

1/32

of

projection

12A).

Locate

forward

and

line the

lever

the

plunger

the lever

there

(.79

to

be

knife

and

knife

positioning

case

the

projection

the

bobbin

and

knife

inch

the

as

parallel

of

feed.

cutting

(B)

contacting

cutting

(C),

pivot

mm)

release

(D),

is a 1/32

clearance

maintained

return

assembly

holder

case

assembly

(.79

mm)

and

the

cutting solenoid possible

with

the

loli

th

solenoid solenoid

adjust

so

that

inch

when

spring

finger

until

(A,

holder

attaching clearance inside

into

Fig.

machine

and

the

12A)

recess

edge

bracket

knife finger

on

be-

of

(A,

Fig.

31

31)

29

as

f ar

11

5.

Adjust extreme

is

in

the

bobbin

t~e

right

line

lower

hand

with

case

TRIMMER

knife

position,the

the

left

holder.

ADJUSTMENTS

stop

screw

side

of

(B,

left

the

(Continued)

Fig.

32) corner(E, needle

slot

so

when

Fig.29)

in

the

lower

knife

is

in

its

CAUTION: lower sure

6.

Be

the extreme not

NOTE:

machine

7.

Knife

tension

(D)

THREAD

1.

Rotate

(63470

top

2.

Thread

3.

Form

(63470

knife

sure

If

WIPER

the

bobbin

right

make

positioning

or

position

return

of

to

the

thread

P),

of

its wiper

thread

P).

Be

sure

cutting

stop

when making

does

not

hit

spring

case

contact,

spring knife right

ADJUSTMENTS

so stroke.

lever

wiper

holder

hand

bend

finger

changed,

return

to

wiper

that

wire

retainer position.

(A,

increase

mounting

the

(63470

solenoid

this

the

hook wire

when

the

If

retainer

assembly check

Fig.

32)

spring

tension

collar

hook

catches

E)

must

(63470 F)

lever

adjustment.

point.

(B,

lower

the

wire

or

step

to

loosen

return

for

5.

have

(63470

the

contacts

Fig.30)

knife

spring

to

suit.

cutting

proper

screw

or

to

the

H)

needle

with a snap

free

movement

Also

contacts

is

in

wire

does

solenoid

tension

(C)

and

left

and

thread

the

be

its

bracket

move

to

adjust

when

in

thread

to

cut

tension

decrease

thread

the

released.

wiper

Fig.

are

removed from

threads.To

spring

the

tension.

wiper

take-up

guide

32

bracket

guide

is

adjust

at

the

CAUTION!

thread to solenoid

wiper

loosen

Thread

guide

set

will

wiper

screws result

hook must

(63470 P)

when

if

adjusting

it

is

so

not

not that

allowed

prevent

hook

thread

solenoid

does

wiper

to

return

not

from

stop

lever.

completely.

returning

against

Premature

to

plastic

failure

its

stop.Move

tube.Be

of

sure

12

Union Special 63400KA, 63400KB User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual