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PROLOGUE

Thanking you for your purchase

our

products

sincerely, please reading the manual book before

operation, the book introduce some points how to

operate, maintenance, and safe. Please keep it carefu-

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CONTENTS

SCHEMATIC DIAGRAM

OF

THE

MACHINE

TABLE-------------------------------------1

BEFORE

OPERATION---

-- --

-------

--

-------

-- --

-----

-- --

-----

-- --

-----

-- --

-----

--

-------

--

-----

--

-2

1.

SPECIFICATIONS

-------

-- --

-----

-- --

-------

--

-------

--

-------

--

-------

--

-----

-- --

-----

--

--------3

2. INSTALLATION--------

-- --

-------

--

-------

--

-------

--

-------

--

-------

--

-------

--

-----

-- --

-----

--

-4

3.

ADJUSTING

THE

HEIGHT

OF

THE

KNEE

LIFTER

-----------------------------------5

4. INSTALLING

THE

THREAD

STAND------

--

-------------------------------------------

---

-·5

5. LUBRICATION(8990SS,8991SS)------

-- --

-------

--

-------

--

-------

--

-------

--

-------

--

-----

--

-5

6.

ADJUSTING

THE

AMOUNT

OF

OIL

IN

THE

HOOK(8990SS,8991SS)-------------·6

7.

ADJUSTING

THE

AMOUNT

OF

OIL(OIL

SPALSHES)IN

THE

HOOK

(8990SS,8991SS)

--

-------

-- --

-----

-- --

-------

-- --

-----

-- --

-----

-- --

-----

--

-----

-- --

-----

-- --

-----

--

-7

8. ATTACHING

THE

NEEDLE----------------

--

------

---

------

--

-------

---

-------

--

--------------8

9.

SETTING

THE

BOBBIN

INTO

THE

BOBBIN CASE------------------------------------ 9

10.

ADJUSTING

THE

STITCH

LENGTH-------------------------------------

---

------

---

----·10

11.

PRESSER

FOOT

PRESSURE---

---

---------------------------------------------------

---

----

10

12.

THREADING

THE

MACHINE

HEAD-----------------------------------------------------11

13.

WINDING

THE

BOBBINTHREAD--------------------------------------------------------12

14.

THREAD

TENSION-------------

---

------------------------------------------

--

--------

--

------·13

15.

THREAD

TAKE-UP

SPRING-

----------

--

-------

--

------

--

----------------

---

-------

--

---

·14

16. ADJUSTING

THE

THREAD

TAKE-UP

STROKE

--------------------------------------15

17.

ADJUSTING

THE

NEEDLE

STOP

POSITION------------------------------------------15

18.

PEDAL

PRESSURE

AND PEDAL

STROKE

----------------------------------------------17

19.

ADJUSTMENT

OF

THE

PEDAL---

---

--------------

---

--

----

---

--

----

-

--

----

-------------18

20.

PEDAL

OPERATION----

-- --

-----

-- --

-----

-- --

-------

--

-----

-- --

-------

--

-----

-- --

-----

-- --

----18

21.

ONE-TOUCH

TYPE

REVERSE

FEED

STITCHING

MECHANISM---------------19

22.

WIPER-

-- --

-----

-- --

-----

-- --

-------

-- --

-----

-- --

-----

-- --

-----

-- --

-----

--

-----

-- --

-----

-- --

-----

--

21

23.

NEEDLE-TO-HOOK

RELATIONSHIP

--

-------

--

-------

-- --

-----

--

-------

--

-------

--

----

-22

24.

COUNTER

KNIFE---

--

-------

-- --

----------------

--

-------

--

-------

--

-------

--

-----

--

-------

--

-

23

25.

HEIGHT

AND

TILT

OF

THE

FEED

DOG------------------------------------------------ 24

26. ADJUSTING

THE

FEED

TIMING----------------------------------

--

---------------------- 25

27.

THREAD

TENSION

RELEASE

RELEASING

MECHANISM

----------------------- 26

28.

MICRO-LIFTING

MECHANISM

OF

THE

PRESSER

FOOT------------------------27

29. ADJUSTING

THE

HEIGHT

OF

THE

PRESSER

FOOT-------------------------------28

30.

ADJUSTING

STITCH

WIDTH---------------------

---

------

---

-------

--

----------------

----

·28

31.

ALTERNATE

CHANGING

OVER

PROCEDURE

BETWEEN

THE

NEEDLE

FEED

AND

THE

BOTTOM

FEED

-----29

PARTS

BOOK-

-- --

-------

-- --

-----

-- --

-----

-- --

-----

-- --

-----

-- --

-----

-- --

-----

-- --

-----

--

-------

--

--.37

- IX -

IMPORTANT SAFETY INSTRUCTIONS

Putting

sewing

systems

into

operation

is

prohibited

until

it has been ascertained

that

the

sewing

systems

in

which

these sewing machines will be

built

into, have

conformed

with

the

safety regulations in

your

country

.

Technical service

for

those

sewing

systems

is

also

prohibited.

1. Observe

the

basic safety measures,

including,

but

not

limited

to

the

following

ones, wheneveryou use

the

machine.

2. Read all

the

instructions,

including

,

but

not

limited

to

this

instruction

Manual before

you

use

the

machine.

In addition, keep

this

Instruction

Manual

so

that

you

may read

it

at

anytime when necessary.

3.

Use

the

machine

after

it

has

been

ascertained

that

it

conforms

with

safety

rules/standards valid

in

your

country

.

4.

All

safety devices

must

be

in

position

when

the

machine

is

ready

for

work

or

in operation.

The operation

without

the

specified safety

devices

is

not

allowed.

5.

This

machine shall

be

operated

by

appropriately-trained operators.

6.

For

your

personal protection,

we

recommend

that

you wear safety glasses.

7.

For

the

following,

turn

off

the

power

switch

or

disconnect

the

power

plug

of

the

machine

from

the

receptacle.

7-1

For

threading needle(s), looper, spreader etc. and replacing bobbin.

7-2

For

replacing part(s)

of

needle,presserfoot, throatplate, leeper, spreader,feed dog, needle guard,folder,

cloth

guide

etc.

7-3

For

repair work,

7-4 When leaving

the

working place

of

when

the

working place

is

unattended.

7-5 When

using

clutch

motors

without

applying

brake,

it

has

to

be

waited

until

the

motor

stopped

totally.

8.

If

you

should

allow

oil, grease, etc. used

with

the machine and devices

to

come

in

contact

with

your

eyes

or

skin

or

swallow any

of

such

liquid

by

mistake, immediatelywash

the

contactedareas and

consult

a medicai

doctor

.

9.

Tampering

with

the

live parts and devices. regardless

of

whether

the

machine

is

powered,isprohibited

.

10. Repair,

remodeling

and

adjustment

works

must

only

be

done

by

appropriately

trained

technicians

or

specially skilled personnel. Only spare

parts

designated

by

can

be

used

for repairs.

11. General maintenanceand

inspection

works

have

to

be

done

by appropriately trained personnel

12.

Repair

and

maintenance

works

of

electrical

components

shall

be

conducted

by

qualified

electric

technicians

or

under

the

audit

and guidance

of

specially skilled personnel.

Whenever you

find

a failure

of

any

of

electrical components, immediately

stop

the

machine.

13. Before making repair and maintenance works on

the

machineequipped

with

pneumatic partssuch as an air

cylinder,

the

air

compressor

has

to

be detached

from

the machine and

the

compressedair

supply

has

to

be

cut

off. Existing residual air pressure after

disconnecting

the

air

compressor

from

the

machine has

to

be

expelled. Exceptions

to

this

are

only

adjustments and performance checks done by appropriately trained

technicians

or

specially

skilled personnel.

14. Periodically clean

the

machine

throughout

the

period

of

use.

15.

Grounding

the

machine

is

always necessary

for

the

normal operation

of

the

machine. The machine

has

to

be operated

in

an

environment

that

is

free

from

strong

noise

sources

such

as

high-frequency welder.

16

. An appropriate

power

plug

has

to

be

attached

to

the

machine

by

electrictechnicians. Power

plug

has

to

be

connected

to

a grounded receptacle.

17. The machine

is

only

allowed

to

be

used

for

the

purpose

intended. Otherused are

not

allowed.

18. Remodel

or

modify

the

machine

in

accordance

with

the

safety rules/standards while taking all

the

effective

safety measures. assumes

no

responsibility

for

damage caused

by

remodeling

or

modification

of

the

machine.

19

. Warning

hints

are marked

with

the

two

shown

symbols

.

Danger

of

injury

to

operator

or

service

staft

Items

requiring

special

attention

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FOR

SAFE OPERATION

A

I.

To

avoid electrical shock hazards, neither open the cover

of

the elecrtical box

norb

touch

the

components mounted inside the electrical box.

1.

To

avoid personal injury, never operate the machine with any

of

the finger

guard

or

safety

& devices removed.

2.

To

prevent possible personal injuries caused by being caught in teh machinem, keep you

fingers, head

and

clothes away from thehandwheel while the machine

is

in operation. In

operation, place nothing

around

it.

3.

To

avoid personal injury, never

put

your hand

under

the needle when you

turn"ON"

the

power switch

or

operate the machine.

4.

To

avoid personal

injury

, never

put

your

fingers into the

thread

take-up cover while the

machine

is

in operation.

5. The hook roates

at

h high speed while the machine

is

in operation.To prevent possible injury

to hands, be sure to keep your hands away from the vicinity

of

the hook during operation.

In

addition, be sure to

turn

OFF

the power

to

the

machine when replacing the bobbon.

6.

To

avoid possible personal injuries,be careful not to allw yourfingers in the machine when

tilting /raising the machine head.

7.

To

avoid possble accidents because

of

abrupt

start

of

the machine,turn

OFFthe

power

to

the machine when tilting the machine head

or

performing replacement

of

parts, adjustment

of

the machine,etc.

8. The motor does not produce noise while the machine

is

at

rest.To avoid possible acccidents

due

to

abrupt

start

of

the machine, be sure to

trun

OFF

the power to the machine.

9.

To

avoid eclectrical shock kazards,never operate the sewing machine with the ground wire

for the power supply remove.

10.

To

prevent possible accidents because

of

electric shock

or

damaged electrical component(s),

turn

OFF

the power switch in

prior

to the connection/disconnection

of

the

power plug.

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FOR

SAFE OPERATION

A_

CAUTION:

~

To

avoid malfunction

and

damage

of

the

machine, confirm

the

following.

• Remove air-vent cap

(r

ed color) attached to the sewing machine bed.

•

For

SS types, be sure to

pour

in the oil before using.

• Before you

put

the machine into operation for the first time after the set-up, clean

it

thoroughly.

• Remove all

dust

gathering

durin

g transportation

and

oil

it

well.

• Confirm

that

the votlage

ha

s been correctly set.

• Confirm

that

the

power plug has been properly connected to the power supply.

• Never use

the

machine in the state where the voltage type is differe

nt

from the designated one.

• Confirm

that

the

direction

of

rotation

of

the motor pulley is correct.

• Do not tilt the sewing machine head toward this side since oil leakage

or

parts

br

eakage occurs.

• A safety switch

is

installed

so

that

the sewing machine cannot be

operat

ed with the head

tilted.When operating

th

e sewing machine,

turn

ON

the

power switch

aft

er

prop

er

ly

setting the head on the table.

- 2 -

899

0SS

I

8991SS

8990DS

I

899

1DS

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DBxl

#9-# 18

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Defrix

Oi

l No.I

tJLirtf

--

1. SPECIFICATIONS

899

0

SS

I

899

1

SS

899

0DS

I

899

1DS

App

lication

Ge

neral fabries,

li

ght-

we

ig

ht

and

Ge

neral fabries,light-

we

ig

ht

mat

erials

m

ed

ium-

we

ig

ht

materials

Sewing speed

Max

.5000rpm Max.4000rpm

Stitch length *Max.5

mm

Nee

dle

DBxl

#9

-#18

Pre

sse

r foot Iife

(by knee litter) IOmm(sta

nd

ard) I5

mm

(max)

Need

le

bar

stoke 30.7

mm

Ro

ta

ry hook Lubricated rotary hook Lubricated-feer rotary

hook

Arm pocket size

30

0mm

Arm

bed size 5I7

mm

X I78

mm

Lubri

cat

ing o

il

New

Defrix

Oi

l

No

.I

--

* The

ma

ximum sewing speed is 4000rpm when the stitch length is not less than 4 mm.

- 3 -

2.

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I INSTALLATION

17mm

---

0

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(1)

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(1) Installing the under cover

l )

The

under

cover

should rest

on

the

four

corners

of

the machine table groove.

2) Fix two rubber

sea

ts

CD

on

side @ ( operator's

side) using nails <J)as illustrated above. Fix two

cushiong seats

Q)o

n sid

e@(h

inged sid

e)

using a

rubb

er

-b

ased a

dh

esive.

Then

place under

cover@

on

the fixed seats.

3)

Fit hin

ge(D

into the opening in the machine bed,

and fit the machine h

ea

d to table rubber hinge<J)

before placing the machine head

on

cu

shions

Q)

on the four

comer

s.

4)

In

case the

AK

-device is not

pro

vided , att

ac

h

head

support rod@to

the

ma

chine table.

3.

~i9Jt~ff-~1ta'-JifnJ~

IADJUSTNGTHEHEIGHT

OF

THEKNEE LIFTER

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WARNING:

A

Turn

OFF

the

power

before

start

in

g

the

work

so

as

to

prevent

accidents caused by

abrupt

start

of

the sewing machine.

1)

l

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1) The standard height

of

the

pr

esser

foo

t lifted using

the knee

li

fer

is

lOmm.

2)

You

can adjust the presser foot lift up to I5mm using

knee lifter adjust

screwffi

.

(Caution) Do n

ot

operate

the

sewing

machine

in

the

st

ate

th

at

the

presser

footd)is

lifted

by

lOmm

or

more since the needle bar<l)comes

in

contact

with

the

pr

esser foot

d)

.

4.

~l~

a'-J~

~

I INSTALLING

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THREAD

STAND

1)

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o

3)

TIJ!~rnic~fft,

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9=t

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i1

o

I) Assemble the thread stand unit, and

in

sert

it

in the

hole in the machine tabl

e.

2) Tighten locknut

ffito

fix the thread stand.

3) For ceiling wirin

g,

pass the power cord through

spool rest rod<l).

5.

tmnb

(8890SS, 8991SS) I LUBRICATION(8990SS, 8991SS)

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start

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g

the

work

so

as

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pr

eve

nt

accidents caused

by

abrupt

s

tart

of

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sew

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2

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~l~~Me~Utf*

.

Fill the oil tank with oil for hook lubrication before operating the sewing

ma

chine.

1)

Tilt the machine head until it comes

in

contact with the head support rod.

2) Remo

ve

oil hole cap(Dand

fill

the o

il

tank with New Defrix Oil No. I using the oiler supplied with the machin

e.

3) The amount

of

oil should reach up to the engrav

ed

marker line

of

oil tankQ).

If

the oil is filled excessively,

it

will leak from the air vent hole in the oil tank or proper lubrication will be not performed. So, be carefu

l.

4) When you operate the sewing machine, refill oil

if

the top end

of

oil amount indicating rod

G)

comes down

to the lower engraved marker line

of

oil amount indicating window @.

(Caution)

1.

When

you use a

new

sewing

machine

or

a sewing machine

after

an

extended

period

of

disuse,

run

your

machine

at

3000-3500

rpm

for the

purpose

of

break-in.

2. Do

not

remove

rubber

plug

<3)

.

6.

PJEfililb

.m.

atJiffiJ~(8890SS,

8991SS)

/ADJUSTINGTHEAMOUNT OFOILIN

THEHOOK(8990SS,

8991SS)

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WARNING:

A

Turn

OFF

the

power

before

starting

the

work

so

as

to

prevent

accidents caused

by

abrupt

start

of

the

sewing machine.

r:::======~=========~;;:::=======:::--i

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Increase

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- 6 -

Adjustment

of

the amount

of

oil in the hook is performed with oil amount adjustment screwQ).

1) Adjustment procedure

Tighten (turn clockwise) o

il

amount adjustment scr

ewQ)

to

in

crease the amount

of

oil in the hook,

or

loosen

(tum counterclockwise) to decrease i

t.

(Caution)

1.

When

using

RP

hook

(hook

for

dr

y

head)

for

the

SS type,

be

sure

to

loosen

the

oil a

mount

adjustment

sc

rew

up

to th

e

minimum

so

as

to

reduce

the

oil

amount

in

th

e

hook

.

2. Never

drain

the

oil in

the

oil

tank

even when

RP

hook

(hook

for

dry

head

) is used.

7.

PJE~ftb

_,;_

(ftb:i[E)

l'f.JiffiJ~:1J1!(8990SS,

8991SS)/ADJUSTING

THE

AMOUNT

OF

OIL

(OIL

SPLASHES)

IN

THE

HOOK(8990SS,8991SS)

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WARNING:

A Be extremely careful a

bout

the

o

peration

of

th

e machine snice

the

amout

of

oil

ha

s to

be

checked

by

t

urn

ing

the

hook

at

a high speed.

(1)

ilil:ID:

(na~)

TrfffiA1J~

I How to confirm the

amount

of

oil

(o

il

splashes)

CD

ilh!ll

(il

tr

Y!t)

rifrriA.

v

nm~

CD

Amount

of

oil (oil splashes)

confi

r

mation

paper

70 mm

ti.ti

Approx. 70

mm

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Position

to

confirm

the

amoun

t

of

oil

(o

il splashes)

~~

r!fl

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Hook

driving

shaft front bushing

ilh

Ylt

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v

ffl

nt

Oil

sp

l

ashes

con

fi

rmation

paper Closely

fit

the paper

against

the

wall

surface

of

the bed.

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(

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v m

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• Use

any

paperavailable regardless

of

the

material. •

Place

the

amount

of

oil

(oil

splashes) confirmation

paper

under

the

hook

.

*fil

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*Wh

en carrying out the procedure described below in 2, remove the slide plate and take extreme caution not to

allow your fingers to come in contact with the hook.

- 7 -

I)

If

the machine has not been sufficiently warmed up for operation, make the machine run idle for approxima-

tely three minutes. (Moderate intermittent operation)

2)

Place the amount

of

oil (o

il

splashes) confirmation paper under the

hook

while the sewing machine is in

operation.

3)

Confirm that oil exists in the oil tank.

4)

Confirmation

of

the amount

of

oil should

be

completed in five seconds.

(Check

the period

of

time with a

watch.)

(2)

ilif

:!i

(ilif~)

:i:f!i'!;f>f-/l

I Sample showing

the

appropriate

amount

of

oil

MWE.t:tl~i~l:ID

l

~

Cr.JM

Splashes

of

oil

from

the

hook

.I.

0

.5-

1

mm

lU!

fJ:iS

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J,)

Appropriate amount of oil (small)

MWE.t:tl~~IJJ*(:t'-Jl1l:f

Splashes

of

oil

from

the

hook

--11.

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mm

illJ

tiI:iS~

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amount

of

oil

(large)

1)

tr:mir.:f1otLH@~llif

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2)

ilbhl(i)JJ~)fiiZTiffrj,A3(X(3~~):i:tJ7C~ft

o

I) The amount

of

oi

l shown in the samples on the left

should be finely adjusted inaccordance with sewing

processes. Be careful not to excessively increase/

decrease the amount

of

oil

in

the hook. (Ifthe amount

of

oil is too smal, the hook will be seized (the hook

will be hot).

If

the amount

of

oil

is

too much, the

sewing product maybe stained with oil.)

2) Adjust the amount

of

oil

in

the hook so that the oil

amount ( oil splashes ) should not change while

checking the oil amount three times (on the three

sheets

of

paper)

8.

f}Lfta'-)*~111!

IATTACIIlNG

THE

NEEDLE

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WARNING:

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OFF

the

power

before

starting

the

work

so

as

to

prevent

accidents caused by

abrupt

start

of

the

sewing machine.

- 8 -

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A needle

ofDBxl

or

DPx5

should be u

se

d. Select a proper n

eed

le size according

to

the

count

of

thr

ea

d

and

the

type

of

mat

erial used.

1)

Tum

the

hand

wheel until the needle

bar

reaches the highest

point

of

its stroke.

2)

Loosen

screw

(2),

and

hold

needleCl)with its indented pa

rt

@fac

ing exactly

to

the right in direction® ·

3)

In

sert the needle fully into the hole

in

the n

ee

dle bar in the direction

of

the arrow until the end

of

hole is reached.

4)

Securely tighten screw

(2).

5) C

heck

that

long groove

©of

th

e needle is facing exactly

to

the

left

in

direction

@.

(Caution)

When

filament

thread

is

used,

ifthe

indented

part

of

the

needle

is

tilted

toward

operator's

side,

the

loop

of

thread

becomes

unstable.

As

a

result,

hangnail

of

thread

or

thread

breakage

may

occur.

For

the

thread

that

such

phenomenon

is

likely

to

occur,

it

is

effective

to

attach

the

needle

with

its

indented

part

slightly

slanting

on

the

rear

side.

9.

~'L''t<~:1J1!

I SETTING

THE

BOBBIN INTO

THE

BOBBIN CASE

1)

-¥~m

·1),

i1~ttt1:t'Hl''.J:tJ1fiJ

,

t~~ificA.~%

.

2)

m

~~:i::t~'ie~~H

LfJL

~

l=I@,

Jl'it~~tt@:tJ

lnlm,M~*~~-~ffi~~~l=l@mW*

·

3)

~~©mW

B

•

t,

TeffJiA~iC,,~~tj(fi'(JiJ,:tJlnJ~~i}IJ

.

I)

In

sta

ll the bobbin in the bobbn

case

so that the

thre

ad

wound

direction is clockwise.

2) Pass the thread through thread

slit@,

and

pul

the threadindirection@

By

so

doing, the thread will

pas

s under

the tension spring

and

come

out

from

notch@.

3) C

heck

that

the

bobbin rotates

in

th

e

dir

ect

ion

of

the

arrow

when

thr

ea

d © is pulled.

- 9 -

10.

~~*JtE8iffiJ1J

IADJUSTINGTHESTITCHLENGTH

1)

m•~~~~~illMifnl~~••m

.

#re*

rm

C8

fJl

*

5<1

<tHJ

L

~

tf.J

~J

R.t:@

.

2)

~l

j.ftff.JfX

*79

mm

.

~

M*tt~~~ill~~-~

.

m~•~n~~

~illmmff

1)

Tum

stitch length dial(i)in the direction

of

the

arrow,

and aligh the desired number to marker

dot@on

the

machine arm.

2)

The

dial calibration is in millimeters.

3) When you

want

to decrease the

st

itch lenth,

tum

stitch length dial

ffiw

hile pressing feed

le

ver

~i

n

the dire-

ction

of

the arrow.

11.

ffiHt!Jffi1JE8iffiJ1J

/PRESSER

FOOT PRESSURE

&

i±_Ir..

..

a

-'

h T llli

.tl:~~JJtJL(:l'>J~)'~;J]i;JJ

,

-

~

'* Ni

f@.

WltZ.Jfr

N

*fitNdt

.

J~~

WARNING:

A

Turn

OFF

the

power

before

starting

the

work

so

as

to

prevent

accidents caused by

abrupt

start

of

the

sew

in

g machine.

1)

trr~t~

-

HJ:~.

tl1:!.

ffiJJl4J

·

v~~~~mm~:t.-®n~

~

.

ff:1J~5m

.

2)

t:ir.tr.

®n

itH~

.

ffJ

J~.mi

.

3)

ifnl~Jfr

.

rr~t~-m:~

.

4)

-

ffstmMBt

,

ffJJl41~~!1\.~U·£:

79

11

2

11

(~5kg)

OW*1~:

II

1

11

2.5kg;

Jlj[M:

11

311 7.5kg)

I) Loosen

nut

~.

As

yo

u turn press

er

spring

regulator©

clockwise ( in

direction@)

, the presser foot press

ur

e

will be increased.

2)

As

you turn the press

er

springregulator co

unt

er-clockwise (in

direction@)

, the press

ur

e will be decreased.

3) After adjustment, tightn

nut

~.

4) Forgeneral fabrics, the standard height

©oft

he presser spring regulator is 112

11

(about 5kg)

(light-weight:

11

111 2.

5kg;

heavy-weight: 113

11

7.5kg)

-

10

-

Jack JK-8995 User manual

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