Zoje ZJ700 User Manual

HIGH-SPEED

OVERLOCK

SEWING

MACHINE

11

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OPERATION MANUAL

PARTS

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INTRODUCTION

Thank you very much for purchasing 700 Series machine.
This instruction manual describes daily routine maintenace and safety precautions to keep the
machine in the best possible conditions.
Please study this manual very carefully before operating the machine.

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CHUTION

OBSERVE

Though Pegasus lakes

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To

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Do

e Before maintenance,adjusting,cieaning, threading

Check that the machine will not operate when the pedal

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THESE SAFETY

prevent accidents,do not temove safety devices or parts whi

not leave tools or other unnecessary objects on

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PRECAUTIONS

the

utmost care to producesafe sewing machi

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the

machine table while operating t

or

replacing the needle,and to prevent accidents,be sure the power is turned

is

pressed.

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nes

and devices,operators should follow these basic safe

le

operating

the

machine.

Note

In

case a crutch

keep

on

rotating

off

power

suppluy

C) is

stepped

because

the

keep

on stepping

the

machine

power

supply

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hemachine.

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type

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to

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If

teh

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a st

tor

is

used

after

machine

it is

move

machine

op

after

tuming

unexpectedly

Ji11!1!111

pedal

;.

.

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, it

will

pedal

danger

ous

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turning

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power

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off

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machine

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the

failure, be

is

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machine

sure

to turn

grounded

table

.

the

.

machine

off

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CONTENTS

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BEFORE

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Installing

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machine

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Lubricaion

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OPERATING

dia~ram

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the

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speed

head

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machine

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table

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14
15
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Manuallunrication
Filling

the

HR

device

Threading

TEST

SEWING

Adjusting
Adjusting
Adjusting
Adjusting

•

0
0
0

the

presser

the

diff.

feed

the

stitch

length

the

thread

MAINTENANCE

Cleaning
Replacing
Checking

the

machine

the

needle

the

oil

circulation

with

silicon

foot

pressure

retio

tension

DURING

oil

USE

7
8
9

10
11
12
13

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Adjustment

OStandard

.PARTS

2-

the

oil

the

lower

dimentions

needle

BOOK

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-

knife

Comparison

table

of

equivalent

sizes

17

18

19

19

20

1£-f!JfJZ.iitr

BEFORE

OP

ERATING

Sc

hematic dia

gram

of the machine ta

Cut the table refernng to the diagram

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Standard

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BEFORE

OPERATING

1.

:¥.f!I:!~JJ-t~L

2. tl: PE

3.

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4.

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1.Mount the machine head on the machine rest board .

2.1nstall greund wire at PE.

3.Adjust the tension
the height of the

4.

1nst

all the belt cover referring to the Figure.

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the belt so that it can be about 2cm bent inward when you press the middle of it. Adjust

motor

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BEFORE

OPERATING

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The

machine rotates clockwise when seen from the machine pulley side.

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The machine speed and the turning direction

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Make

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exceeding the maximum speed
table.

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Machine model

732-

36

732-

38

732-48
732-70
732-86

01

752­752-13
752-1
752-17

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6$2

type

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The

higest

- 5 -

and

run it

as

listed in the

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(

speed(r.p.m)

6,500
6,500
5,500
6,500
5,500
7,000
6,500
6,000
7,000

not

r.p.m

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BEFORE

OPERATING

1~

5m

Lubrication

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After

filling

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oil

Add

oil

when

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Note: Use

recommended

pan,

oil

surface

H

~~.Lj

the

oil

oii(HIGH

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SPEED

surtace

reaches

should
or

goes

SPEED

SEWING

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SEWING

lie

between(H)and

below(L)

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Lt~ll·t,

MACffiNE

MACHINE

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01 L)(ISO

(L)Iines.

OIL

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VG22)

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- 6 -

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BEFORE

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Ma

nual lubrication

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Apply

2 or 3

Not

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drops

recommended

of

oil

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by

oii{HIGH

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hand

when

SPEED

f

!l.:Jf:JII•t,

the

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JIJ

SP

EED SEWING

machine
SEWING

is

MACHINE

FJ;IIofJiUruifr

MACillNE

used

for

the

OIL

first

){ISO

JFJifjfJI!JfJU•t,

Ol

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time

or

has

VG22)

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been

left

unused

MACHINE

2-3

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for

some

OIL

o

time.

- 7 -

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BEFORE

OPERATING

JoJ

71W

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it:

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ll

the HR device with oil befor it is too

Note:Uss recommended

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silicon oil

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,

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Filling the HR device with silicon oil

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low

HR

in order

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ilh

o

to

prevent needie thread breakage and fabric damage.

- 8 -

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BEFORE

OPERATING

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:#f

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Needle thread
Trim the knots
passing through the eye of .the
needle to rethread.

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off

neatly before

Threading

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JfffiJII.PHlU~L.Xi(

Open three covers.
Swing the presser foot aside.

re.f:lu

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Knot the preset thread and the
thread being used together to
thread the machine.

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Looper thread
Trim the knots
passing through the eye of the
looper.

JIJ~VJ

J

9'1

oH

neatly after

- 9 -

ffi

Jl!ll

ff1

Jli

1J

1>1

Tum

adjusting screw

obtain the

TEST

SEWING

Jli

1J

IY1

~1

\'f

iiJ1tE~-i~Wl:ilH'T

M o

to

adjust the presser foot·pressure.lt should

pr

oper stitch formation.

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light

Adjusting the presser foot pressure

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k f

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be

as light

J 1-J

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TEST

SEWING

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Loosen the nut and move the lever up and down to obtain the correct differential feed ratio.
Tighten the nut after positioning the

m,

trli?JJ-*illfiU.,'W,

lever as desired.

Adjusting the diff.feed ratio

~11:;cm,

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il

o

-

11

-

lit.~

TEST SEWING

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Adjusting the stitch length

1.

!\lHHl<~l.

2 .

.i!ll·t.iUMfJ:rl<l/l

lf1U!Ji~·~rl

<D

While
handwheel to seek the position at which the push
button goes further into the depth.

® Then,keeping the push button pressed , '

turn the handwheel and,set the desired )

scale to the aligning mark. v 7

tl::

HIJ!.IJ

Note:Stitch length adjustment must only be made
after the differential feed ratio has been changed.

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f1

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fl'i

.

pressing

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the

push

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iCJ·};(.f Aligning

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TEST

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Make tension adjustments with the needle thread knob
knob

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Adjusting the thread tension

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.

the

upper looper knob

,

W**ttff

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. and the lower looper

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To

loosen

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To

tighten

- 13 -

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inly the slots

{!J:iji:ptr.Ji*~

MAINTENACE
DURING

H ,

ld.

'fl·

of

the needle plate and the feed rows should be cleaned.

USE

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Cleaning the machine

- 14 -

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MAINTENACE

DURING USE

Replacing the needle

R®m~~OOMfi,

H~*h';I

((.Jfrftf!H

LIY-J~

e Check the needle carefully
e Insert

Be

the

needle

ti-ifld

~JIJ

((.J~~JJH,

sure

to

use

standard

to

the proper depth,and fasten securely.

il'1~

needle.Refer

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~~~

o

to

see

that t

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to

ADJU

~ft~-~

he

scart

is turned

"v-~!f:~R3l<"

STMENT

DIM

ENSIONS

~illfi~~

to

the

;

rear of the machine.

on

the

end

OK!

of instructions.

NO!

l

J

-

15

-

[

)tJ!

)

ilif\~il££!01'*

[

Note) Do

not

remove

the

·

screw

.

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MAINTENACE
DURING USE

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5m

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J~

Checking the oil circulation

- 16 -

illfllfll¥-1~~

MAINTENACE
DURING

USE

Replacin g the oil

fJLnhff.J!li¥~.

Replace the oil one month after the first use and every six months thereafter.(See P7.)

it'Ht:

i~ffl:lf~li'-JJJII~l~

fJ~nhi,'t~mm

1

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o

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(X

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-17-

'(iJij

MAINTENACE
DURING USE

i!P"FFJJft

To

remove the lower knife

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Ji

.Ill

,

Jll

ti~

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lli1l£

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Temporaily screw (1)

sliding the lower

after

knife holder to the left.

cp~

i*~

Replacing the low

er

knife

1'

JJ

lt

Correct
lower kni

732

lB.Yft

angles

fe

~ilf

.II

1fJ

to

resharpen

Jl

the

~~l'JJJt

To replace the lower knife

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*'R~t~,

!JIIJii

•J

.(

i

Loosening the screw
makes
holder slide to the right.

-r

J

J

~ - _ Turn the handwheel

.ftz;/

J o as the drawing on the

~

the l

ower knife -

~~i;IJ:f~:r.f

~IF{ il~ll

__

right figure.

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m~~''..tf

1r "J

~ f,'l i~l

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Insert the
(See the nght frgure)

!owe~

I~JJ.ftQJ)(

~~~

o

FJPJ

Cutting edge of

the

B

f

~H.fli.U

~JifiJJk

Levelof(A)=Levelof(B)

•

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Chek cutting actro

~

J B

lower knife

nm~

rfli

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f JJ J'·Jii·

1

.-f:

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A

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'.vl

o

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11

.

n of knrves.

l

:nJ

Upper knife

I

Top
the

;·

't

f'.f

~~<

surface of

needle

rM

A

~~~

JH

J B

jC

f

~Y~.

~

f

fJ

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•

o

- 18 -

732

Adjustment

dimentions

(mm)

732­732-38
732-48
732­732-86

752

752-01
752-13

752-1682
752-

.

732

36

70

17

~

10.6

10.6

10.1 3.9 3.3
10

.6

12.0

_l.l

10.1

10.1 4.6
10

10.1 4.2 3.3

tf-/l{tffl

~

3.9

3.9

3.9 3.3

3.4 3.3

t !l

Adjustment

~~0

4.2

.1

tf.J~~ll.l~t

4.2

Standard

~

3.3

3.3

0.9-1.1

0.9-1.1 5.5

0.9-

1.1

0

.9-

1.1 5.5 1.5

0.9-

1.1

dimentions

tl~

3.3

4.0

3.3

needle

752

~

5.5

5.5

5.5

~

0.9-1.1

0.9-

1.1

0.9-1.1

0.9-1.

'lo

1.5

1.5

1.5

1.5

~

5.5

5.5

6.0

1

5.5

tf-/l{tffl

(mm)

tf.Jiil~ll.l~

Standard

needle

I

n ~

Organ
DCX27

732-36
732-38 14
732-48 14
732-70 14 752-17
732-86

732

. 752

B*it~

Japanese size (Organ)

*OOt+~

Chinese size (Organ)

(Organ)

11

21

tt~X1lffi*

Comparison

#

Nm 1

9

65

table

of

equiva

11

75

752-01

752-13
752-1682

lent

sixes

14

90

~t

~

Organ

DCX27

9
9

11

9

16 18

100 110

21

30

- 19 -

HIGH-SPEED

OVERLOCK

SEWING

MACHINE

PARTS

BOOK

1

~

.

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