Zoje Zj24028-1 User manual

•

ta

IJL

• m

~

~~J

ZJ24028-1/ZJ24028

-2

~

.

..

• · I .

••

···

-..,

if

mist

an~

OPERATION

lVlANUAL

•

itt:

=f.

It

PA R

TS

BOO

K

Ul

Iii·

UJ

II

fil

tiJI

iT

ifl

ft~

fR

Jli

Be

Z!

81

ZOJE

SEW

ING

MAC

H IN E

CO

.•

L

TO

.

From the library of: Superior Sewing Machine & Supply LLC

IN

S

TRUCTION

MANUAL

FOR

POS

T-

BED

IN

DUSTRIAL

S

EWING

MACH

I

NE

This manual is prepared to permit the sewing machine to be

used

efficiently and for highest performance.

This machine is

post

-

bed

industrial sewing machine suitab

le

for sewing sboes,bags,capsandgeneral

leather works.

You

caneither select

1-n

.eedleor2-oeedle machine accordi

og

to your

type

of

works.

Being

eq

uipped withspring

return

reverse lever

rype

feed mechanism opener

type

vertical hook, and slide

type thread take-up provides perfect

uoif

omed

stitching.

- i

NDEX-

Specification

........

..

.........

.....

.................

.

.................................................................

.2

Main

parts

name

of

ma

c

hine

head

.................

.

..............................

..

...................

.

...........

3

L Preparation f

or

installation

of

machin

e

................

..

..........

.....

......

.

...............................

.4

1).

Place

of

installation

of

machine

..................

..

....................

.

........

,

...............................

4

2)

.How

to

mount the machine head

..

.

....•....

....

......

...

..

.......

..

...

,

......

.

.............

.

........

.

..

.

...

..

.4

3).

How

to

mount the motor..

.........

.

.........

..

..............

.

...........

.

...........

.......

.....................

.4

4). How

to

COillleet

the

motor

leverand

foot

pedal.••.•..•

.............•.

•••••.•.•.•.•.•..

.......•

••.•.•••••••...4

5). How to

moun

t the bobbin winder assembly

....

..

....

...

.....

...

....

.........

...

.......

..

............

..

....

.

.4

6).

!l

ow

to

mount

and

adjust

th

e knee lifter mechanism

..

.....

....

.........

...

..

.

...

....

.........

.....

...

......

.5

7).

How

to

mount

the

oil

pan.

..

...............................

.

..........

.

.....................

.

....•......

.

..........

6

8). How to mount the vibration

preventi.r.~

rubber

..

...

....

..

........

...

.........

..

.....

.

..

...

.......

..

..........

6

U.

Pr

eparation f

or

operation

..........................................................

.

...............................

7

I). Selection

of

thread

....

.

.........

...

.

..........

...

....

..

...

......

.........

....

........

....

.....

.

....

...

.....

7

2). How

to

attach the

oc

:edle

............

......

...

.......

..

.....

.

.......

....

...

......

..

..................

.7

3

).

How

to

lead the upper thread

........

.

.....

.......

................

.......

.....

...............

...

.........

8

4

).

How to wind

the

lower thread on the bobbin

..

.

......

.

................................

..

......

....

.

..

......

9

5).

How to adjust the bobbin winder asscmbly

...

..:

.........

....

............

.

.......

.

.......................

IO

6)

.

How

to place

the

bobbin into the hook

.....

...

...................

........

...............

.

...................

11

m.

Bow

to operate

.....

.......

...

....

......

.........

....

..

....

,

.......

...

..

.........

......

.......

.

......

..

..........

.

l3

1).

Starting

to

sewing

.................

...............

....

.......

.....

........................................

13

2).

Sewing over

........

.

......

...

.........

...

................

.

......................

.........

..........

.

......

....

13

IV. Stitching adjustment

....

.....

...

......................

...............

........

............................

......

..

14

1

).

Adjustment

of

stitch length

.................

..

....................

..

...................

..

...........

..

......

14

2).

Forward and Reversestitching

....

.

...

........

....

.....

.......

.................

.....

.........

..

....

........

14

3).

Adjustment

of

thread !etlsion

...

........................................................................

!4

4). Adjustment

of{ccd

dog height and pressure of

pre.sse;-

on

materials

..............

.

..................

17

5). Propef ti

ming

between

th

e hook

and

needle.

......

...

..............

....

...

..

........

....

...

....

.

....

...

18

6). Proper timing between the book and opener

..........

.

...................................

..

.....

....

......

21

7). Proper timing between the

feed

dog

and

needle

...

....

..................................................

22

V.

Cleaning

and

Lubrication

.....................

...

.................

.

.............................................

23

1).

Oeaning

...........................

..

.................

.

................................................

..

........

23

2).

Lub

rication

...

....

...................

.....

.............

..

.....

.

.................................

,..,

.......

......

23

3).

Gr

ease

.

...............

.........

.....

..........

........

....

......

..................

...................

.....

....

24

From the library of: Superior Sewing Machine & Supply LLC

• Specification and ma

in

pa

rts name

of

machine head.

•sPE

CI

FICATI

ON

Sewing materials

...

..

. Shoe

s,

Bags,

Caps

, and lealbcr

works.

Speed

... .

............

.. 3000

RPM.

Nudle

...........

...

....

OP

x S

(13

5 x 5)

Nudle

barstro

ke

......

33

.4

mm

(1

-5

/16")

Thread

take

up

.•..

.....

Stide

ly

pe

Stitch

le

nglh.

.......

....

0-Smm(0

-3/16")

Pres~cr

bar

stroke

.••.•.

8mm

(51l

6")

Pre~

fool.

•........

..

1-Nudle

......

Rollerfoot

(I)

(2)

(

';

\

,.,

(4)

(5)

(6)

(7)

(8)

(

9)

(!0

)

(II)

(12)

(13)

2

1-l'\eedlc(Ul6")RoUcrfoot

2-Needle(l/4")

Usual

foot

Spool pin

Oil

reservo

ir

(rig

ht

)

Balance wheel

Stitch regulating dial

Reverse lever

Post

Hook

po51

bolder

Hook

po51

cover plate(b

ac

k)

Hook shaft bracket

Slide

pl

ate

Nudle

plate

RoUer

fOOl

Thread

guide (needle

bar

)

Hook...

.......

....

.........

Vertical book wilh opener

Stitch lenglh adjuslment... Dial regulatOr type

Reverse stitching............ Spring rerum manual lacker

Post beigbt... ... .

..

... ... .

..

178mm(7")

Lubrication

•....

.

............

Manu

al

oiling, provided wilh

two

oil reservoir

at

arm

Oil circulation

...

.

.....

......

Auto roatic capillary action

wilh oilwicks

Knee

mecbanism...

......... U:ver

system

Table.......

...........

.

.....

~ON

"l

y

pe

Moto

r..

.......

...... ... ... .

..

Clutch motor(400W)

(14)

Needle

bar

(

15

) Thread guide (needle bar bushing)

{1

6) Pressabor

(17) Face plaic

(18) Thread tension regulator

(1

9)

Thread guide(ann)

(

20

)

Thread

take

up

lever guard

(

21

)

Presser

regulating lhumb

screw

(

22)

Thread take

up

lever

(23)

Thread

retainer

(

24

: Oil reservoir (lefi)

(

25

) Pre-tension

From the library of: Superior Sewing Machine & Supply LLC

• Main parts name

of

machine head

(1wo

Nee

dle

T

ype)

(i

} Spool

pi.o

(9)

Hook

shaft bracket (17) Face plate

(2

) O

il

reservolr(right) (10) S

li

deplate {

18

)

Thread

ltn.Si

on regulator

(3) Balance

whee

l (I I)

:>l

eedle plate (19)

Thread

gu

id

e (

upper

)

(4) S

ti

tch

regulating dial (12) Roller foot (20) Thread take uplever guard

(5) Reverse lever (

13

) Needle guide (21) Presser regulating lhumb screw

(6)

Post

(14) Presser

bar

(

22

)

Thread

We

up lever

(1)

Hook

postcover plate

(l

ower) (15)

Thread

guide (lower) (

23

} O

il

reservoir (left)

(8

)

Hook

post

co

ver

plate (

upper}

(16) TI!reod

contrO

Ucr

disc (

24

) Pre-tension

3

From the library of: Superior Sewing Machine & Supply LLC

* Preparation for installation ofma:;?

1ine

head

1 PREPARATION FOR INSTALLATION

OF

MACHINE

HEAD

1.

PLACE

OF

Il\'STALLATION

OFMACHJNE.

The machine should

be

installed on well-

leveled floor

in

order to ensure smoothoperat-

ing

of

your machine at high speed without

vibration.

2.

HOW

TO

MOUNT

THE

MACHINE

HE

AD

ON

TO

THE

TABLE.

Instal the hinge with screws, provided in

accessory, athole on the back

of

the bed and

hook to thehinge plate

of

the table, then the

head is seton the table.

3. MOUNTING

OF

THE

MOTOR.

+ The motor is mounted generally with bolts,

nuts, and washers as provided.

+

Set

the position so that the motor pulley and

balancewheel grooves are aligned straight as

shown in Fig. Forproper operation when

tl

1e

belt

is

inserted.

+ Then connect power supply cord and motor

cordexteaedfrom switch.

4.

H

OW

TO

CONNECT

THE

MOTOR

LEVER

AND

FOOT

PEDAL.

+

The

angle

of

the slope

of

the pedal can

be

important. It can make a

differen

~e

in

the

strengthnecessary to press the peda:.

+ Theremight

be

a slightdifferenceinoperator's

posture, butgenerally

30•-

40

• angel as shown

inFig. (

A)

is

consideredbest.

+ The treadle position shown in Fig. (B) wi

ll

be

difficult.

In

this case, adjust the length

of

the

connectingrod to suit the operator.

5. HOW

TO

MOUNT

THE

BOBBIN

WINDER

ASSEM.BLY.

+ Set the position

of

the bobbin winderassembly

provided inaccessory, to beinparallel with the

belt hole

of

the table, with the leverpushed in

operationposition.

• When

bobbin

winderpulley

will

comein contact

with

the

belt, flX

the

assembly onto

the

table

with twoscrews provided, as showniu Fig.

4

~~

Hinge

plate

Hinge

X l~

(B)

From the library of: Superior Sewing Machine & Supply LLC

• Preparation for installation

of

machine head

6. HOW

TO

MOUNT AND ADJUST

THE

KNEE

Lll'TER

MECHANISM.

•

The

knee

lifter mechanism IS employed

to

raise

and

lower

the

presser

bar

.

•

Mount

it

pr

operlyonto the table

by

following

method for

ea~y

operation.

•

lf

improperly installed.

the

operating action

will be heavy and tire the operator.

1) Place

of

mounting.

• Make a hole for knee lift

er

shaft brack

et

underneath

the

table

according

10

Fig.

Sho"'n.

2)

How

to

mount

(!)

Mount

the

knee lifter

shaft

br

ack

et v.·hile

the side

of

h

ole

for spring towards your side

as

sho

wn

in Fig.

(2)

The

other

side

of

the

knee

lift

er

shaft

bracket is

>Crewed

so

as

able to insert the

(3)

On

the

kn

ee

lifter shaft, mount the

kn

ee

lifterposition bracket, regulati

ng

rod bracket,

knee plate

bar

bracket,

and

spring

in

the

order

mentioned, then tighten respectively.

(

4)

Mount the knee liftershaft,

on

whi

ch

fixed

respective parts,

on

the shaft brr:ckel

(5)

After checking

up

all the parts e;.d inclina·

li

on

of

th

e

knee

lifter shaft. tighten the

shaft

bracket screws.

(6)

Th

e shoners

ide

of

knee pla

te

baris mounted

on

the

bar brack

cL

and longer side

of

the

bar

is

mounted on the knee plate.

(7)

The

end

of

spring is inserted into a hole

of

the

sh

aft bracket (front).

(8)

The

o

th

er

e

nd

of

spring is placed on

the

knee plate bar moving it.

(9) After mounting all these partS,

chec

k

whether

the

knee

lifter mechanism can

be

operated lightly.

Table

top

plate

line

of

knot

URe

r

.-.haft

Shaft brocket(fronl)

I Sllaft brocket

(bad)

1

K=c

hft•

r

r~tion

br..ckcl

!<no<

p!>!e b:l:

l=cltet

1

I

Rod

bracket

5

From the library of: Superior Sewing Machine & Supply LLC

~

Preparation

for

installati

on

of

machine

head

3}

Adjustm

ent.

(1) Place

of

knee lifter position bracket.

Since the position bracket

makes

standardize

the starting point of knee plate, tighten the

sc

rew

at

the proper position

so

that

the

stopper

of

position bracket

come

contact

with top underneath

of

the shaft bracket

(back).

(2)

Puo;ition

of

the knee lifter bell crank regulat-

ing

rod

and

its

bracket.

•

The

regulating rod mak

es

raise and down the

presser foot by

means

of

moving the bell

crank lever

up

and down.

+ While the presser foot do

w-ned,

adjust the

length (A)

loo

sening the regulating

rod

screw

so

that the rod and crank lever

conracts

with

as

show11

in

Fig.

7.

B

OW

TO

MO

UNT

TKE OIL

PAN.

Fit the oil

pan

with nails into the bole bored

in

the table so as

oot

to

comeinto contact with

the kneeliftermechanism.

8.

HOW TO

MOUNT

THE

VffiRATlO~

PRE\!Erli'TINGR

UBBF:

R.

6

The

vibration preventing rubber

is

used

to

prevent the machine from vibrating and

there-

by providesmooth operation

of

the machine.

Fit these rubber insulators properly at the

four

comers

of

the table as shown

in

Fig.

Remember, the machine

will

vibrate

if

these

are

not

mounted properly.

(!)

Holl

owout

four

corners

of

the table20rnm

radius and 13rnm depth to fit the rubber

insulato~.

• Be

sure

to give smooth

surface

to

"A"

where

hollow

out

is

made

.

(2) Nail the vibration preventing rubbers down

at the fourcomers.

K4

..

lif\<r

rcJU]ating

rod

From the library of: Superior Sewing Machine & Supply LLC

II. PREPARATION FOR OP

ERA

TION.

1.

SELECI"IO!Ii

OFTHREAD.

• For best results, usc high quality machine

thread.

• For upper thread use left-twistthread.

+

To

check whether a thread

is

lc

ft-twist

or

right-twist, hold the thread

as

shu

Nn

in

Fig.

and twist

t.IJe

thread held

in

the right hand

toward your side. If the thread

twi

st

becomes

loose,

the

thread

is

right-twist. and

if

the

thread twist becomes tight thethreadis left-

twist.

2. H

OW

TO ATT

AC

H THE

I';"EEDLE.

•

Dpx5

(135x5) type needle

is

recommendable

for general

usc.

• But select the needle size that meets the

requirements of the

meterials

sewn

and

the

thread

used

ForOneNeedle Type

(

1)

\VhiJe

the presser barlifteris

r.tiscd.

tum

the

balance

wheel

by

band

1:

: raise the

needle bar

to

its highest position.

(2) Move the roller foot

10

the

leftas sbown

in

Fig.

(3) Loosen the needleclampingscrew.

(4) Hold the needle

10

its

side with the long

grooveside (left).Then

insert

the needle

a~

deeply

it

will go intothe needle clamping

hole.

(5) Securely tighlell theneedle clamping

screw.

ForTwo Needle Type

(1) While !he presser bar lifteris raised, turn

the

balancx:

wbeel

by

band

10

raise

theneedle

bar

to

its highest position.

(2) Move the roller footiO

the

left&; shown

in

Fig.

(3) Loosen the needle clamping screw.

(4)

Hold the needles

so

that

ti:Je

two needles

side with the tong grooved (faces each

other).

and

insert

it

as deeply

as

it will go

!litO the needle clamping hol

es.

(5)

Securely tighten theneedle clamping screw.

I:

1

[

••

g-

-::.

n

a

"

&

2

(i

a:

c

-=-

~

,...

i

0.:

g

-.

c

c.

~

[?'

;>

n

~

c

~

i

• Preparation

for

operation

f

\~

I

'-

!

RoUer

fooo

~

\

e •

7

From the library of: Superior Sewing Machine & Supply LLC

* Preparation for operation

*When

using nylon

or

silk threads, the

lo

ops may be formed improperly

or

stitch

skipping may result due to the twise

of

these threads. In this case, observe the

condition

of

the loops and mount the

needle in a manner that the needle hole

would be positioned

in

a slightly oblique

direction.

3.

HO

W

TO

THREAD

T

HE

UP

PER

TH

READ

.

F

or

One Needle Type

(1) Raisethethread take up levertoits highest

positionturning the balance wheel

by

hand.

(2

) After

the

presser bat lifter is raised, move

the roller foot to theleft holdingdo,..nward

as per arrow shown in

Fig

.

(3}

Thread

in

the following order:

I Spool p

in

9 Thread guide

2 Pre-tension (Needle bar

3 Thread retainer

bu

shing)

4 Tension discs

10

Thread guide

(needle

bar)

5 Thread take upspring II Needle

6 Th:-ead guide (arm}

7 Thread take

up

8 Threadguide (arm)

*The

spool pin I with cross-shaped hole,

pre-tension 2 and thread retaine

-r

3

are

provided to prevent the thread from rwist-

ting,

so

follow as shown

in

Fig.

* The tension discs 4 consists

of

rwo discs,

pass the thread between these discs from

the right to the left.

*For the thread take

up

spring

5,

pass the

threadfrom the rightto the left.

*For the

take

up lever 7, pass it from the

right to

t.'le

left.

*For

the

needle 10, pass

it

from the l

eft

to

the

right

8

Needle

sectional

plan

&;;:.

--

v:y--

In

case

of

usual

thread

!Jl

case

of

nylon

&

silk

thread

From the library of: Superior Sewing Machine & Supply LLC

In

case

of

Two

Needle

Type

(I)

Raise the thread take up leverto

ih

highest

position turning dle balance wheel

by

liand.

(2)

tn

case

of

the

roller

foot.

itis

same

order

as

one

needletype did-move

the

roUer

fOOl

to

the

left.

(3)

How

to

tilread from

the

conon

standspool

(left).

L1 Spool pin (left) 6

Thr

ead take

L2

Threadguide up spring

(Upper) 7 Thread gui

de

L2"

"flueadguide (upper)

pin (right) l.8

Tak

e up lever

L3

Pre

-tension (upperho

le

)

(upper) 7 Thread guide

1..1'

Threa

d guide (upper)

pin (left) 9 Thread guide

lA

Thread

tension (lower)

regularor(upper)

LIO

Needleclamp-

L5 Thread controller ing (back)

disc (back)

Lll

Needle(left)

(4) How

to

thread from

the

cotton

sl!l~d

spool

(right).

R1 Spool pin(right) 7 Thread guide

R2 Thread guide (upper)

(lower)

R8

Take

uplever

R3 Pre-rension (lowerhole)

(lower) 7 Thread guide

R4 Thread tensi

on

(upper)

regulator (lower) 9 Thread guide

RS

Threadcontroller (lower)

disc(fro

nt

) RIO Nccdleclamp-

6 Thread

take

up ing(front)

spring

Rll

Needle (right)

*

To

the

pre-tension 3 a

nd

tension regulator

4 thread betw

ee

n thesediscs.

*

To

the two needles 11., Thread from the

inside to outside.

4. H

OW

TO

WIND

THE

LOWER

THREAD ON

THE

BOBBII'\.

(I)

Thread from the spool

rlHOUgh

th~

hole

of

the threadguide 1 to the tensior. discs 2.

(2) Wind the

end

of

the thread through

t.'le

tension discs 2

on

the bobbin about 5

-6

times.

(3) Fit

the

bobbin intot.'le bobbin pin 3 in a

manner so that

the

thread

can

be

wound

on

the bobbin from

the

underside.

(4) Push the lever toward the otherside so that

the pulley

and

the belt will engage.

(5) Operatethe machine

so

that

the

thread

can

be wound

on

the bobbin.

(6)

The

bobbin winder will automatically

be

free from

th~

belt when

1M.

bobbinis fully

wound with thread, and stopped.

• Thisoperation

ca

n bedonewhileworking.

* Preparation for operation

9

From the library of: Superior Sewing Machine & Supply LLC

ZOJE ZJ24028-1 User manual

Popular Sewing Machine manuals by other brands