54
 QU"iit\ ~II~:~IlJ - J ~ *0lll 1',- ' oPu 1'l In ¡H JHILz f¡íí,i, / ~ a ~ ~ m ~ ~  * m ~ ~ ~ M 7 ~ . m 8 2 1 ' l m . i R i  , 1.< (r ; J f I * ' el: 1J J ~ r¡¡¡ il I la J I i \ll J I I 1* t IJ, liI B B f t ~ . ~ ~ o P u . M d ~ . f t M ~ Q ~ e ~ m ~ ~ NIH F f; 1 . , ~ 1:\11 illi j¡u . PROLOGU Thanking you for your purchase our product s sincerely, please reading the manual book befo re operation, the book introduce sorne points how to operate, maintenance, and safe . Please keep it carefu- lIy for reading in the further; you wi ll be not informed i f the file has been revised Please set sample as s tandard .

Manual industrial overlock Jack

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7/18/2019 Manual industrial overlock Jack

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QU"iit\ ~ I I ~ : ~ I l J - J ~

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f¡íí,i, /

~ a ~ ~ m ~ ~ * m ~ ~ ~ M 7 ~ . m 8 2 1 ' l m .

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il I

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PROLOGU

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I§I ~

ONTENTS

o l¡ <l ffl tí

TO THE OPERATERS

O f l L ~ ' t : ~

HOW TO INSTALL TI ·IE NEW MACHINE

o ¡Ii" M Ill

(j'.¡

A '=;:lI

LUBRJCA

TlO

N AND DRAINAGE

o j¡: tJi ~

THREADlNG THE MACHI

NE

o ~ i J , l J

~

THREAD TENSION

o m [ i ~ ~ ~

STlTCH LENGTH ADJUSTMENT

O ~ ~ n i

NEEDLE REPLACENENT

o

;, ¡

1tiJ lJ

2

3

3

5

5

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l'I'l' I J 1Jl* i < w ¡

u r

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J l,

J i l 1 F 1 O f i l ~ l i < J , i I I ~ l ' I ; ¡ ; ' l f j j ¡ ~ ' ¡ ; i l J l

• I J l J l t t i l J l ~ ; ¡ ; ' l f t t l J I J l B ~ L $ Z I

l

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i l J l ~ ~ ~ ~ ~ l i < J

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~ , I J I J l f ¡ l / ' \ " " f ~

; & J i l ¡ & f i l ~ l i < J

t t * ~ ~ ; ¡ ¡ : , ¡ ;

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I ~ I J

l

OBSERVE THESE

SAFETY

PRECAUTIONS

Though Our takes the utmast care to produce

safe sewing machines and devices. operstors

should follow these basic safety rules.

• To prevent accidents,do not remove safety

devices or parts whi le operating the machi ne

• Do not leave tools

or

other unnecessary

objects on the machine table whi le

operating the machine.

• Befare maintenance,adjusting, cleaning,

threading ar replacing the needle, and to

prevent accidents,be sure the power is

turned off.Check that the machine will not

operate when the pedal is pressed.

Note

In case a clutch type motor is used, it will

keep on rotating by

inertia

after turning

off power supply.

CD

If the machine pedal

Q)

is stepped on inadvertentiy, it is

dangerous because the machine will move

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1:.

ft1im:¡o:

001. 2

-

N-9,;

i

¡'

1Ht:o

::

¡ ¡ ¡ 9 , ; I 1 Á i l i j ~ ' l I ) 1 J

& ¡¡

IJ , i t i ( I , ~   1;'1

o)

~ I I ' ¡ ¡ " t 1"), :>j-

Ti¡ J;. *

;/p

 qJL

1.:1

.

To

THE

OPERATERS

ATTENTION:Because Ihi s is an super high speed mac hi ne. DO nol fun it

be fare

filling.

Oi  and/makin g su re ¡he

corree 

turning direction of motor

795

¡\JI Oil

A

¡Ih

/Oil

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NOTE: The dimensions

of

motor pulley and sewi ng speed are show

in

Table l .

Tab

I

Machine speed Motor pulley diameter (mm)

(S

.P.M )

60Hz 50Hz

5500 90 110

6000

95

115

• • •

m w s m ~ ~ E . ~

m m . ~ m n B . 2 ~ ~ B . . ,

.g

• •

n a M .

nr flJ 7 . ~

l

lr o

How

TO

OPERATE THE

NEW

MACHINE

Pl ease run the new machine in the first

fo

ur at 20% less speed than maximum. Then replace

the new o

il

and thereafter the mac

hi

ne may

be

operated up to maximum speed.

~ • ¡ji]ffi' 5HIIY-J5± A. :¡j J t l

(1)

irij

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rj

It)

00

I

: p . ¡

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J l i ~ f . ¡ r

M H ' 5 Bifiji '

l

ñhI%R'&1ff MOB IL

#I

D j ¡ G

~

, \ j 1 1

~ f j ~ l i J n

)",

(>1;

ñh 1,1

< :

' f ñh ~ ¡ ; j Ij l J l j g l l z li

ij

JI,

kf

, t ¡o'i l'i't I1 I.:*A,

· ~ H í j

i I f r

. ¡ j ¡ ?-.n ,M

l;lII

milfr'/,f 1II

1

,

¡iUI'HW,

1:

J H ; ' ¡

~ J

J l I ñ \ ¡ i r i j i t

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THREADING THE MACHINE FIG3 4

Refcr to the scw ing typc yo u need for correct threading. Any ¡ncarrcet t

hr

eading may cause

thread break, un even

st it

ches or skip st

it

ches etc.

{Jl;til; .lj51

6f<l JII(FOR

SEAMTYPE 516 ONLY

H

V\4tQN:JIICFOR

FOU

R THR

EAD

ONLY

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· f f i . ~ m . . t t H ~ ~ t t •

(3 )

t.t1>:

mi] 1< 11

17

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&

QJ i HIl3>;;;tJ<f l.l'l . *m-A-l¡'il:7'J503,

505,

514

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le '1

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lE

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1 4 t

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.lt

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ffif,

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t'J:

'(f

  ~ 8 ~ M 1 1 ~ ~ a t J < ~ ~

THREAD TENSION

The thread tcnsioo be adjusted accordi ng to sewing fabric, thick ness, sewi ng thread, seam

width stitch leng th etc. Therefore the pressure

of

the Tension Nuts or Thread Guides must be

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d) Point D for s

tr

etchy

thr

ead is used.

e) Point E for seaming and blind stitch hemming.

Note: The direction is for more thread in

sew

ing s

eam

, and the di rection is for less thread

in sew ing seam .

(4) Chain looper thread cam control .Fig.7

When

th

e needle moves to its highest position, the right

come

r

of

the thread cam Q) matc hs

with the upp

er

surface

of

t

hr

ead gu

id

e bracket

<D .

Screw I> and adjust the thread cam Q) as clockwise

is

lale for timing

of

looper thread cam.

illí j-.iiiJH't

:{ji*,f. '/:' ¡;j¡

I t .';;

z ;¡; lfinfli 'I

·mnl¡

IHf

¡ j¡ I¿ llHNHU-I· í . lHI; ;j¡¡I¿ ir} \t lfr /J rMt I i J5 ¡ti Jlt t.iáU

.

STITCH LENGTH

ADJUSTMENT

FIG.9TAB2

The sti tch length adjustment is made

accor

ding to the sewing fabric , differential feed ratio etc .

· Keep push ing the Push Botton cnter deep inside .

· Keep pressing Ihe Push BO

ll

on and match the desired slitch length w

hi

ch is show on Ih e pulley

with the indicating point

of

Belt Cover.

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NEEDLE

REPLACEMENT FIG.l0

· PIcase use DC x 27 o r equivalent needlc size.

·Loosen Screw

CD

and remo ve ¡he o ld need le .

·

In

ser the needle which long groove faces you and push il up deep into the need le hole until il stops

and tighten Screw CD .

jjJ

~ i J J ~ t i J U I

(=J:=.mfH

~ 7 t m H J t . ~ l ; I J l f l t )

00 11

~ 3

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tEltlJXll2

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:0.7 .

DIFFERENTIAL FEED RATIO

ADJUSTMENT(FIG.

l1TAB.3)

The differential feed ratio is the rat io ofmovements betwecn Maio Feed Dog and Differential

Feed Dog, when the movement

of

Main Feed Dog is bigger than Differential Feed Dog , the fabric

be stretched

n

sewing Otherwise the fabric be shrinked.

· Loosen Nut CD ¡hen turn

Screw

Q) in c10ckwisc for

st

retching thc fabric oand in rcverse dircction

for shrinking the fabric then tighte n Nut

CD

.

NOTE: When the surface

of

adjusting Level

Q)

be set at the scale

Q)

the differential feed ratio

is

1: 1,

and ifit be set over the scale its rat io can be adjustab le up to 1 0.7.

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  m

• • • •

.« f i ,

R •

 

~ ~

• • • • i••

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-6.

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(3) T ~ ~ ~ ~ « . J * W i

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' ) ((,il ¡i.¡ A f f , a I ~ L i ' J '

3.

2

- 3 . 4 m m ~ ~ ~ ~ t l L : m 3.0-3.2mm

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(4) J : ~ H T 1 ; ¡ H ( ( , * W i 1' 116

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(5)

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li

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t i 

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ti nt (  l Jl;IJ -Éj f ,-rll L..

~

( ( ~ Ji[ i1í ')J 2.5

mm

o

A : 4.5-5.0

6: 5.5-6.0

~

o

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P RTS

REL TION NO TIMING

1) Needle and Needle Plate Fig.12

When the Needle moves lo the highest pasilion, the distan ce between nee

dl

e poio (Ieft needle

¡ftwo needle) and Needle Pl ale is 9.5-9.7mm for sta nda rd lift mach ine or IO.8- 11.0mm for high

lift mac

hi

ne. Each needle must centers in each need le s ial of Needle plate. The righ needl e mus

be ahcad about O.2-0.3mm Ihan left nccdle. And the distancc bctwecn Ihe nced le poio (righ necdlc

if two needle).

To need le slol ofNeedle Plale or Presse r Fool is 1.2mm.

'Slightly loasen Screw

D

ofNeed

le Orive Crank

.Rotale the Pulley lo check ir necdlc ccnler in each necdlc slol of Nccdlc Plale. or you may loasen

Screw Q) and adjust Needle Holder .

·Rotale the Pulley for removi ng the ne edle lOthe highest position , tap the Need le Holder Guide

unt il the correet need le height is obtained .

'Tighlen Screw D .

2) Upper Looper Spreader) and Needle Fig.13

.When Ihe Up per (spreader) moves lo Ihe eXlremely left, lhe di slance belween lhe poin l of looper

(sp reader) and center

line of needle is 4.5-5.0,for I need le (spreader) lO eenl

er

line of left need le

is 5.5-6.0mm for 2 needle machine .

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I i ~ Jjj

l iI

~ t l l ,

1

i

t·:t; Ilr¡;R

ill$f1 m,

1:<

"'J ¡¡¡¡ 1"1 iI: r'l c.

2

' · 1 

;

¡;"'¡

;¡¡; JlI

;";¡Mli fHll iHI

Ht;

H

3

. 1

E'. 'll: "3'

J

H..<$fH

4

. 1

  Ji

H

IH¡(

J

l<

Mil

j\

iJ 11iIf]ijj

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" tt

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5

TI'

"

"'J

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)\\ Tin,.

.1 'iIf

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t;

'

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6

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'"

1i1I)"

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uli:ffilW "J '1'*

:ill

$f ' :'tI'

1&

uIi:H ,

uIi:

iJ,1iJ\'f)JiIW

NEEDLE BREAK

NO REASON CORR

ECT

1

Needle

ins

lalled wrong Rcscl necdlc co

rr

ectly

2 Wrong needle size Use prope

rly

needle for fabric and thread

3

Needle is be

nd

ed

Replace new needle

4 Wrong relalion wilh Needle Guars Readju sl Needle Guard

5

Wrong

relalion wilh looper R

eadju

st looper

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THREAD BREAK

NO. REASON C

ORRECT

1

Inf

e

ri

or

quality

ofthread

Use

gaod

qua

lity thread

2 Thread is thicker than Needlc hole Use propcr Necdlc for fabric and thread

3 Wrong threading RClhreading correctly

4 Thread tensian is too strong Readju st thread tensian nut

5

Needle

in

stalled wrong Reset needle correctly

6

Thread Stand installed wrong

Rcsct thread stand for thrcading smoothly

7

Over

heat

of

Needle:

(I

).NO silicon oi l (l)fi ll

in

Silicone oil

(2)Wrong sett

in

g

of

Needle Gua

Td

(

2)

Readj ust Needle GuaTd

8

Thread

Disc

or Guide

is burred Grind off polish

or

replace ncw o ne

9

Wrong relalian ofNeedle and Looper Readjust Necdlc and Looper

10 Needle, Loop

er

, Nced le Pl ate

and

Guide Grilld of f , po lish or replace

ncw

one

is burred

FfB

.,

U i III .

- .

~ t m

1

H :i t t ¿¿ *-

HH.'l:

i J ~ *-H

.q

i¡¡

',U , ;¡';

2

W - : ~ T t ~ V R

jJj i'fr lE lifl

lHJ<

3

1.( f l j J¿ 1]]

i'fr lE

ról } : _1

4

W -" JJi 11 ;1( ¡J Jl

[ ~ ; I (

¡¡;;

i J ~

t" ti<

r

J

ID

I'

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LOOSEN STIT HES

NO. R

EASON COR

RECT

1

Wro

ng th

rcading

Reth

r

ea

di

ng corrcct

ly

2 Thread is

thicker

than Needle hole Use proper Needle

3 Tensioo Disc do oot press thread properly Reset Tension Disc Properly

4 Nee

dl

e

thread

is not

lub

r

icate

d

Fin

si licon

oi

5

Wro ng setting

of ecd

lc and Loopcrs

Readj

ust Necd lc and Loopers

*- 5

I i ~ ( ~ :

~ , t ) « :

1

: ; { - ~ f ¡

ID iIJi

lE fin

lif

<J<

2

~ ~ ~ ~ f ¡ t v ¿ ill iIJi 'l<

<J<

JI'

lHJHIt

iillJ1

3

r ~ ~ T I H

ill iIJi 'i<: '

T )

J

4

Jl

'

Jt 9HIi jI<.:If

(1 ) H i t ~ (1 J , ~ JJiE lO lit:

(2)

JJ\1i

(2) ID

iIJi

lE

¡;ill

'i<:

'l<

5

J1<HLlli lli

illiIJitr7't

6

H ~ : l i : j ¡ ¡ ¡

MilJiH

7

mH t l. , l'

o¡;

iU

Í

... tuJ

i j . ~ lE rln ,tr, l'

8

¡¡¡

Ji

:.k

D'<::.k llij

~

1'1'

¡¡¡

Ji f f i l'

UNEVEN

STIT HES

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WRINKLED STITCHES

NO . REASON CORRECT

1

Thread (cnsion is too strong

Readjust Thread Tension Nut

2

Inadequate pre

ssur

e of Presser F

oo

l Readjust Presser Fool pressure

3

Inadequate height

of

Feed Dogs Readjust Feed Dogs

4

Knivcs

do

nol trim neatly Readjust Knives

or

sharpen Kni ves

5

DifTerential feed is nol matched Readjust difTerential feed ratio

6

Needle is too thick Use Proper Needle for fabric and thread

7

Seam w id th is too narrow against the Readjust seam width or replace chain

off

chain - off finger

ofNeedle

Plan.

finger.

JO,;->}

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~ 1 l i 1

,

1

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l J lE

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n

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.E. lB =1LI fl

3

$f. f.il i;J -H

:t(

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mm _E Pff¡ ti ii

4

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ill;¡¡¡ lE ¡¡f1J

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&

5

1 : & J l l i t

;1(

:le ¡j¡ d ~ j i . ~ iá ~ ;):1

lt

6

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*

jf ¡j¡

.1 tt

1o¡

~ J

jf

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795

766/757

1 - o8l 757

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;t L3'égi\7}

Frame

Assembly

Fr;

11 

-r:}

~ ~ ·

: ~ ·

txM Number)

%

Ref.Part

1 0

;ff¡;

Description _ t <

lit <

NO.

Part NO.

O Three·lhread Four-thread

Five·thread

1 300031

---

---

Machine frame 1 1 1

300741

---

---

~ 8 7 6 6

Machine frame 1 1 1

300811

---

---

Machine frame 1 1 1

2

20112001

KA04El

t l t / : "

~ l ' ) ' d t ' t t . (

Needle thread cover plale

1

1

1

3 300082

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