Juki 812K User Manual

ILLUSTRATE

FOR

PAR

5 LIST

HEAVY

KARPEl

Model

Kl

G

8 I

DUTY

MACHI

2K

E

~

.

·,

421

NORTH

National

MIDLAND

Distributors

AVE .• SADDLE BROOK, N.J.

of

Juki

& Kin

g/

me

Industrial Sew

07662•

(20

1)

796·8800

(2

12) 929-4415

/ng

Machine"

OILING DIAGRAM

Fig.

- I -

I

THREADING

DIAGRAM

Fig.

-

2

2-

THREADING AND ADJUSTMENT

FOR

INSTRUCTIONS

812K Stitch

1.

2.

3.

One

needle

type

505-EFD-1

Clean eccentrics wicks from oiling

Put plate. needle plate

Remove machine.

machine

to

the

and

in a

(Figure

corry

oil

new

The

point

the

KINGLINE MODEL

heavy

on

the

reservoir

run

needle

in

3).

presser

Loosen

duty

(modified).

----SETTING

thoroughly.

main

the

oil

for

five

needle,

should

its

highest

feet,

the

shaft. to and

minutes

class

screw

flat

bed

Fill

Run

the

bearings.

that

1970.

center

position

cloth

(::::

812K

machine

oiling

they at

2.000

in

plates

93A)

HEAVY DUTY KARPET KING

for

overseoming

UP MACHINE

system

the

machine

contact

size

the

should

and

on

See

R.P .M..

100

front

be

the

and

that the

(SOE)

end

1}

feed

right

oil

slowly

the

oil

holes

Oiling

and

of

;!"

inches

dog

side

all

for a minute

wicks

check

the

for

of

rugs

bearings,

ore

in

the

diagram

location

throat

above

convenient

the

feed

and

particularly

to

saturated

strops.

(Figure

of

p l

ate

the

top

access

bar

carpets.

allow

by

Repeat

1)

needle

of

and

the

is

available.

slot.

the

to

push

the

flow

the

in

throat

the

oil

throat

The

rear

4.

1

1-z

needle

Pla

ce

the

The

looper

(Figure

Fig.

II

guard

left

gouge

4). This

3

(::

81225K)

hand

is

adjustment

looper

set

when

for

enough

in

the

is

accomplished

Feed

to

looper

the

holder

is

Dog

rear

at

its

by

rocker

Fig.

to

and

farthest

ovoid

set

the

and

its

looper

poini

raising

4

contacting

gouge

of

travel

or

lowering

the

to

needle.

~-4

the left

the

inch.

boll

Left

- 3 -

hand looper

joint

(#

15442K)

in

the

slot.

Raising

the

ball

joint

decreases

the

looper

gauge

and

5.

6.

7.

8.

lowering

Set

the

left it. This rocker.

Set point

Set connecting

(:!;

is

Set

~~"

position the

adjustment

the

rear

of

the

distance

269

&

obtained,

the

right

to

looper

it

acts

hand

needle

travel.

rod

:;

the

(Figure

drive

18) then

hand

left

the

reverse.

looper

is

readily

guard

between

(#

81241)

on

the

tighten

looper

of

the

5).

The

lever

so

centers

straps

pitman

the

gauge

center

looper

(:;;

81238)

Looper

that

made

so

that

rod

nuts

gauge

it is

(#

at

and

so of

on

gauge

up

by

it

barely

6038K

4-

%

and

that

the

is

available

to

the

loosening

contacts

& #

".

turning

reassemble

the

point

needle

of

the

right

cross

back

the

6039K)

This is

the

of

when

hand

for

of

the

two

screws

the

needle

of

the

done

rod

until

connecting

the

right

the

looper

setting

needle

at

right

by

loosening

the

hand

is

the

without

(#

95)

its

hand

desired rod

looper

is

at

its

controlled

looper.

in

the

most

forward

looper

the

measurement

in

the

extreme

deflecting

looper

drive

two

nuts

machine.

passes

left

by

moving

9.

shaft. the gauge, tightening make cross This cross looper casting. respect drive

When without adjustment

To

lever

sure

shaft.

may

shaft

drive

to

leve

right

deflecting

increase

clockwise

move

the that

be

done

and

Re-check

the

r is

shifted.

hand

for

the

lever

screws

there

by

at

the

lever

the

needle

looper

it. It

setting

the and

on

is

tight

each

the

looper

to

decrease

the

no

end

pushing same

up

setting

time

moves

must

right

gauge,

opposite.

looper

play

forward

time

setting

against

of

the

to

also

cross the

hand

drive

the

move

the

When

in

the

on

the

looper

loop

right,

looper

lever,

the

with

er

it

left

is

must

hand

made

pass

looper

by

I

L

Right

Fig.

the

needle

as

loosening

hand

close

the

5

as

looper

close

possible.

two

screw

as

possible

The (:;:;:

318)

at

the

front

of

the

machine

(¢

81

255).

it

downward

be

turned

position

Moving

slightly

while

the

brings

retightening

the

by

and

block

looper

loosening

the

moving the

upward

closer

the

holding

screws.

- 4 -

brings

to

the

looper

the

left

screws

shaft

looper

hand

and

bearing

closer

looper.

holding

or

sliding

to

the

The

loopers

the loopers

needle

block

and

moving

themselves

in

the

can

desired

10.

With

right

hand

looper

at

its

extreme

left

position.

set

the

right

hand

looper

thread

11.

12.

13.

take-up looper

Put

the front This

guard

plate

the

screw.

the

presser

freely.

The

height

rear

teeth

the

adjustment

Screw tongue

eyelet

gauge

feed

needle

in

front

THIS FACTOR IS VITAL.

the

(:

(;:=

81266KB)

is

not

dog,

guard

is

Place

bars

of

project

edge

81203KA-1)

readily

of

the

with

the

feed

(Figure

guide

cloth

1/

changed

plates

close

adjusted

needle

presser

the

dog

32"

3).

on

is

against

in a

when

to

the

slot

feet

pressure

is

correct

above

to

the

vertical

with

needle

by

and

on

the

cloth

the

position

nut

(::::

throat

without

loosening

moving

the

released

when

throat

plate

presser

9937)

plate

the

machine

as

at

its

plate.

and

foot

being

is

loosened.

back

deflecting

screw

guard

and

much

as

hightest

A

stop

abjust

stitch

careful

on

the

it.

(::::

90)

into

position

check

tongue.

the

convenient.

point

screw

it

so

that

machine

in

top

vertical

of

travel

is

that

the

left

and

of

the

and

The

the

provided

the

edge

hand

set

throat

retightening

movement

bars

must

tips

to

guide

the

of

move

of

the

maintain

14.

1

5.

Draw

Threading

Adjust This by regulator

18A) feed (Figure 6). feed

80651) stitch

l After

is need

it

the

adjustment

loosening

on

rocker

driving

and

engthens

the

set, res

le

barely

the

shortens

guard

thread

diagram

stitch

stud

side

(:::

Raising

arm

lowering

the

stitch.

stitch

et

the

contac

length

is

the

nut

of

80233)

the

length

rear

so

ts

into

(Figure

made

stitch

(::::

the

(::::

it

that

the

HA

the

to

machine

2)

is

available.

give

the

Shorten

Lengthen

and

desired

'

start

operating

number

on a piece

of

stitches

per

of

inch.

stud

rug

nut

materia

l.

needle forward

when

position

in

its

of

most

trave

l.

- 5

Fig.

6

16.

17.

Regulate to

feed

Adjust left

hand

the

properly

the

pressure

left

looper

. A

hand

thread

an

the

comparatively

looper

just

thread

tightens

presser

feet

heavy

take-up

as

the

so

that

pressure

(

~

81266K)

left

the

hand

springs

is

usually

outward

looper

exert a pressure

required.

or

clockwise

thread

comes

until

off

sufficient

the

right

18.

19.

20.

21.

hand

THE cane

The

high thread. beaded

Make obtained, NEEDLE

looper.

CONE

as

needle

enough

I o

thread

drawn

RIGHT

AT

the

left

and

The appearance

sewing

check

THREAD

pull

less

tension,

from

HAND

{CAUTION -NO

THIS

to

left

test

the

LOOPER

TIME).

hand

right

hand

give

positive

hand

of

on a single

the

following

CONTROL

needle

or

raise

cone

looper

the

thread

on

THREAD

All

looper

lower

needle

the

LEFT

the

left

moves

thread

and

consistent

thread

thickness

thread

into

the

frame

upstroke

CONTROL

HAND

hand

to

the

tension

of

controls.

stitch, eyelet.

of

LOOPER

looper

end

tension

control

should

at

the

rug

or

the

needle.

THREAD

thread

of

its

should

to

be

purl

or

material.

move

Most

of

travel

the

just

edge.

If

purl

the

SHOULD

should

to

the

be

set

as

needle

high

satisfactory

down,

needle

BE

be

right.

low

and

enough

increase

thread

DRAWN

drawn

as

possible

right

to

samples

should

from

hand

give

are

needle

FROM

the

yet

looper

a

not

be

22.

To

pull

the

right clockwise, {:::;:

9937)

LEFT

HAND

The clockwise should to

the

right.

hand

is

left

until

be

mare

being loosened.

drawn

right

looper

LOOPER

hand

the

careful

looper

left

from

hand

THREAD

hand

thread

that

thread

the

looper

cone

tension

the

left

CONTROL

control

looper

as

thread

or

hand

thread

the

into

move

looper

eyelet

just

left

the

right

(take-up)

tightens

hand

stitch,

hand

gauge

looper

or

looper

is

should

as

the

moves

move

not

thread

changed

be

adjusted

left

hand

to

purl

the

down,

tcke-up

when

looper

end

reduce

nut

outward

thread

of

its

{eyelet

or

trave

)

l

- 6 -

94

\'~

-

~~~

80648

376

@m

880687

376

~

\~

Rrfoi

l~

IV

I

Ol

A

II

J

ii,.,

~

l

80631

80437A

880688

22574

/ 1\

,/ I \

I

881201A

i

80438

~

81239

0

I -

~

80440

Plate

No.

1

89

94

Set

screw

Set

screw

guard.

for

Plate

Hinge

Presser

pin.

bar

No.

lifter

1

guide

plate

and

Looper

thread

pes.

2

pes

.

4

376

420

22574

80437A

80438

80440

80631

80648

80649

880687

880688

881201

Screw

Lifter

Screw

Cloth

Spring

Locking

presser

Lifter

Lifte r

Face

Top

cover.

Cloth

for

lever

for

plate

for

bolt

bar

lever.

lever

plate.

Face

stud.

Cloth

swinging

Locking

knob.

lifter

spring.

plate.

bolt.

guide

extension

plate

.

hinge

pes.

2

pe.

pes.

3

.

pc.

pe.

1

pe.

pes.

2

pe

.

pc.

1

pc

.

pe.

pc.

881201A

81239

Cloth

plate

swinging

extension.

extension

locking

bolt

pc.

pc

.

1

••

l3

-