SunStar SC9200 Series, SCD9200 Series, SCT9200 Series, SCD9300 Series, SC9300 Series User Manual

1) FOR AT MOST USE WITH EASINESS,
PLEASE CERTAINLY READ THIS MANUAL
BEFORE STARTING USE.

2) KEEP THIS MANUAL IN SAFE PLACE
FOR REFERENCE WHEN THE MACHINE
BREAKS DOWN.

MMMMEE--110011110033

USER

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S MANUAL

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SSuunnSSttaarr CCOO..,, LLTTDD..

SC(D)(T)9200 Series
SC(D)(T)9300 Series

High-Speed Overlock
Sewing Machine

Best Quality

Best Price

Best Service

SSUUNNSSTTAARR CCOO..,, LLTTDD..

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1. Thank you very much for buying a HIGH-SPEED OVERLOCK sewing
machine.
SUNSTAR will satisfy you by manufacturing the industrial sewing machine
with refined design, improved durability, great power, perfect performance,
variable functions based on skills and experience.

2. Please read this manual thoroughly before use.

3. This manual can be changed the contents without prior notice to improve
the functions.

4. This is designed and manufactured as an industrial machine. Do not use this
machine for other than its intended use.

MACHINE MODEL

1
2
3
4
5

Extra Light ~ Light
Light ~ Medium
Medium ~ Heavy
Heavy ~ Extra Heavy
Very Heavy

Fabric Weight

1
2
3
4
5

Pitch of Feed Dog Teeth

1mm

1.25mm

1.6mm
2mm

2.5mm

0
2
3
5

Needle Space

1-Needle
2mm
3mm
5mm

3
4
5
6
7

Over-Edge Width

3mm
4mm
5mm
6mm
7mm

0
1
2
3
4
5
8
9

Operation

Plain Seaming
Blind Stitch Hemming
Serging
Turn Up Down Hemming
Shirring
Attaching Tape
Back Tacking
Versatile

Stitch Type

＃401
＃503
＃504
＃505

＃512
＃514
＃515
＃516

Lift

Standard
High
Extra-high
Ultra-high

2
3
4
5

41
03
04
05

12
14
15
16

Rows of Feed Dogs

1-Row Standard
2-Rows Standard
3-Rows Standard
4-Rows Standard
5-Rows Standard

1-Row Special
2-Rows Special
3-Rows Special
4-Rows Special
5-Rows Special

1
2
3
4
5

6
7
8
9
0

SC92 04 N - 0 4 / 2 3 3 - 3 × 5

Wrinkle-Free

N

Series Code
SC92
SCC92
SC93
SCT92
SCT93
SC94
SCT94
SC95
SCD92
SCD93

Over-edge
Over-edge + Condensed Stitch
Safety Stitch
Over-edge + Variable Top Feed
Safety Stitch + Variable Top Feed
Over-edge + Cylinder Bed
Over-edge + Cylinder Bed + Variable Top Feed
Double Chain Stitch
Over-edge (Direct Drive Motor)
Safety Stitch (Direct Drive Motor)

4

Table of Contents

1. SAFETY RULES ------------------------------------------------------------------------------------- 6

1) MACHINE DELIVERY------------------------------------------------------------------------------------ 6

2) MACHINE INSTALLATION----------------------------------------------------------------------------- 6

3) MACHINE REPAIR ---------------------------------------------------------------------------------------- 6

4) MACHINE OPERATION---------------------------------------------------------------------------------- 7

5) SAFETY DEVICE------------------------------------------------------------------------------------------- 7

6) PLACEMENT OF CAUTION STICKERS------------------------------------------------------------- 8

7) CONTENTS OF CAUTION STICKERS --------------------------------------------------------------- 8

2. ENTIRE STRUCTURE ----------------------------------------------------------------------------- 9

3. SPECIFICATIONS ----------------------------------------------------------------------------------- 10

4. INSTALLATION--------------------------------------------------------------------------------------- 11

1) ADJUSTING BELT TENSION--------------------------------------------------------------------------- 11

2) BELT COVER INSTALLATION------------------------------------------------------------------------ 11

3) TREADLE CONNECTION ------------------------------------------------------------------------------- 11

5. DIRECTION OF PULLEY ROTATION--------------------------------------------------------- 12

6. LUBRICATION---------------------------------------------------------------------------------------- 12

1) OIL ------------------------------------------------------------------------------------------------------------- 12

2) LUBLICATING OIL---------------------------------------------------------------------------------------- 13

3) OIL GAUGE / OIL WINDOW---------------------------------------------------------------------------- 13

4) MANUAL LUBRICATION------------------------------------------------------------------------------- 13

5) SILICONE OIL OF HR DEVICE------------------------------------------------------------------------- 14

6) LUBLICATING OIL CHANGE-------------------------------------------------------------------------- 14

7) OIL FILTER CHANGE ------------------------------------------------------------------------------------ 14

8) ADJUSTMENT OF OIL FLOW RATE OF THE UPPER LOOPER ------------------------------ 15

7. STANDARD ADJUSTMENTS ------------------------------------------------------------------- 16

1) NEEDLE ------------------------------------------------------------------------------------------------------ 16

2) NEEDLE REPLACEMENT------------------------------------------------------------------------------- 16

3) THREAD TENSION ADJUSTMENT------------------------------------------------------------------- 17

4) PRESSER FOOT PLACEMENT / REMOVAL ------------------------------------------------------- 17

5) PRESSER FOOT PRESSURE ADJUSTMENT ------------------------------------------------------ 17

6) PRESSER FOOT STITCH WIDTH ADJUSTMENT ------------------------------------------------ 18

7) DIFFERENTIAL FEED RATIO ADJUSTMENT----------------------------------------------------- 19

8)

MAX./MIN. DIFFERENTIAL FEED RATIO (feeding volume of the main feed dog)

--------------------- 19

9) FEED DOG CHANGE ------------------------------------------------------------------------------------- 20

10) HEIGHT OF FEED DOG--------------------------------------------------------------------------------- 20

11) GRADIENT OF FEED DOG ADJUSTMENT------------------------------------------------------- 21

5

12) HEIGHT OF SUB FEED DOG-------------------------------------------------------------------------- 21

13) HEIGHT OF NEEDLE------------------------------------------------------------------------------------ 22

14) LOEWR LOOPER ADJUSTMENT-------------------------------------------------------------------- 22

15) UPPER LOOPER ADJUSTMENT --------------------------------------------------------------------- 23

16) NEEDLE GUIDANCE ADJUSTMENT--------------------------------------------------------------- 24

17) DOUBLE CHAIN STITCH NEEDLE GUIDANCE ADJUSTMENT--------------------------- 25

18) PRESSER FOOT INSTALLATION-------------------------------------------------------------------- 26

19) PRESSER FOOT ARM LEFT/RIGHT ADJUSTMENT ------------------------------------------- 26

20) PRESSER FOOT LIFTING LEVER ADJUSTMENT ---------------------------------------------- 26

21) PRESSER FOOT LIFTING ADJUSTMENT--------------------------------------------------------- 27

22) PRESSER FOOT STOPPER ADJUSTMENT-------------------------------------------------------- 27

23) DOUBLE CHAIN STITCH LOOPER OF SC9300 SERIES ADJUSTMENT ----------------- 28

24) QUANTITY OF SUPPLIED THREAD ADJUSTMENT ------------------------------------------ 29

25) UPPER BLADE CHANGE ------------------------------------------------------------------------------ 30

26) LOWER BLADE CHANGE----------------------------------------------------------------------------- 30

27) OVEREDGE WIDTH ADJUSTMENT---------------------------------------------------------------- 30

28) HEMMING WIDTH ADJUSTMENT ----------------------------------------------------------------- 31

29) ADJUSTING UPPER FEED DOGS (SCT SERIES) ------------------------------------------------ 31

30) ADJUSTING OF UP/DOWN POSITION AND OPERATING RANGE ----------------------- 32

31) PRESSURE FOOT CHANGE--------------------------------------------------------------------------- 34

32) PRESSURE FOOT POSITION ADJUSTMENT----------------------------------------------------- 34

33) LEFT/RIGHT POSITION OF THE UPPER FEED DOG ADJUSTMENT --------------------- 35

34)

ADJUSTING THE LIFT TIMING OF THE UPPER FEED DOG AND PRESSURE FOOT

----------- 35

35)

ADJUSTING OF THE LIFTING QUANTITY BETWEEN THE PRESSURE FOOT AND THE UPPER FEED DOG

----- 36

36) CLEANING SEWING MACHINE -------------------------------------------------------------------- 37

6

11

SAFETY RULES

The following set of safety rules categorized as Danger, Warning and Caution indicates possibilities of physical or property
damages if not fully observed.

DANGER : These safety instructions must be observed to be safe from danger when installing, delivering, or maintaining the

machine.

WARNING

: These safety instructions must be observed to be safe from machine injuries.

CAUTION : These safety instructions must be observed to prevent machine errors.

1) Machine Delivery

Danger

2) Machine Installation

Warning

3) Machine Repair

Caution

Only qualified technicians who are familiar with the safety instructions should carry the
machine. Make sure to fully observe the following instructions when carrying the machine.

ⓐ The machine should be carried out by two or more people.
ⓑ Clean the oil to prevent accidents when delivering.

Installation environment may incur machine malfunction or breakdown. Make sure to meet
the following conditions.

ⓐ Undo a package from the top in order. Beware nails in wooden box.
ⓑ Dust and humidity can cause pollution and corrosion of the machine. Air conditioner

should be equipped and cleaned regularly.

ⓒ Do not expose the machine directly to the sun.
ⓓ Allow at least 50cm of space on each side of the machine for convenient maintenance.
ⓔ Explosion hazard

Do not operate machine in explosive atmospheres, where aerosol spray is used in large
quantity or oxygen is controlled.

ⓕ The lighting is not offered because of the nature of the machine, the lighting should be

install in the workspace by users.
[Reference] details of the machine installation are illustrated in 4. INSTALLAION.

Only SUNSTAR MACHINERY Co.,Ltd-trained and selected repair engineers should go repair
work.
ⓐ Turn off the power before cleaning or repairing the machine. Wait for 4 minutes so the machine

electricity is completely discharged.

ⓑ Do not change the specifications or any parts on the machine without confirmation from

SUNSTAR MACHINERY Co.,Ltd. Such change may cause safety accidents.

ⓒ Use only SUNSTAR MACHINERY Co.,Ltd parts when repairing machine.
ⓓ Put all safety cover on after repairing.

7

SC 9200, SC 9300 Series is designed for applying sewing to knitwear and other similar
materials. Read thoroughly the following instructions.

ⓐ Read thoroughly and fully understand the manual before operating the machine.
ⓑ Dress for safety.
ⓒ Keep your hands or head away from the moving parts of the machine such as needle,

looper, spreader, take-up lever, and pulley when the machine is in operation.

ⓓ Do not remove the safety valve and all kinds of covers when the machine is in operation.
ⓔ Be sure to connect the ground wire
ⓕ Be sure the main power is turned off and the power switch is set to OFF before opening

the cover of any electrical component or control box.

ⓖ Turn the machine off when threading needles or inspecting the finished sewing.
ⓗ Do not press the pedals when you turn on the power.
ⓘ Do not drive when the cooling fan is blocked with dust. Clean the air filter in control box

once a week.

ⓙ Install the machine away from strong electromagnetic wave such as high frequency

welder as far as possible.

4) Machine Operation

Warning

Caution

[WARNING]

When you operate machine, you should put the cover on to prevent physical injury by the
belt. Turn off the power before inspecting or adjusting.

5) Saeety Device

ⓐ Safety Label : Note directions for sewing machine use
ⓑ Belt Cover : Device to prevent physical injury by the motor or clothes from being stuck

in the machine

ⓒ

Ginger Guard

: Device to prevent finger to come in contact with the needle.

ⓓ Safety Valve : Device to protect worker’s eyes.

ⓐ

ⓐ

ⓑ

ⓒ

ⓓ

8

(2)

(1)

7) Contents of
Caution Stickers

Caution Stickers is attached on the machine for the safety.
Read thoroughly the manual before operating the machine.

6) Placement of
Caution Stickers

Do not operate without finger guard
and safety devices. Before cleaning
and changing thread, needle and etc.
tum off main switch.

손가락 보호대와 안전장치 없이 작동하지
마십시오. 실과 바늘 교환시나 청소전에는
반드시 주전원의 스위치를 꺼주십시오.

CAUTION

Do not operate without a finger guard and a safety
protection device.
Turn off the combination switch before threading, lever
change, needle selection and cleaning.
손가락싸개 및 안전보호장치 없이 작업하지 마십시오.
실 꿰기, 레버 변경, 바늘 선택 및 청소 전에는, 통합스위
치를 off 상태로 바꾸십시오.

Caution

Do not operate without finger guard
and safety devices. Before cleaning
and changing thread, needle and etc.
tum off main switch.

손가락 보호대와 안전장치 없이 작동하지
마십시오. 실과 바늘 교환시나 청소전에는
반드시 주전원의 스위치를 꺼주십시오.

CAUTION

Do not operate without a finger guard and a safety
protection device.
Turn off the combination switch before threading, lever
change, needle selection and cleaning.
손가락싸개 및 안전보호장치 없이 작업하지 마십시오.
실 꿰기, 레버 변경, 바늘 선택 및 청소 전에는, 통합스위
치를 off 상태로 바꾸십시오.

9

22

ENTIRE STRUCTURES

① FRAME
② Face plate
③ Top cover
④ Oil window
⑤ Hand pulley
⑥ Thread adjuster

⑦ Oil gauge
⑧ Presser foot
⑨ Power switch
⑩ Spool thread stand

Protective devices

⑪ Finger guard
⑫ Safety valve

①

②

③

④

⑥

⑤

⑦

⑫

⑪

⑧

⑨

⑩

10

33

SPECIFICATIONS

Model SC(D)(T) 9200 Series

High-speed Over-edge Overlock sewing machine

ISO 504, 514

General sewing (knitwear)

max. 6000~8500 s.p.m (depend on the sewing material)

1.4~3.6mm

max. 3.8mm, 5mm (depend on the sewing material)

Organ DCx27 Nm 65

2 needle 4 stitching : 2mm

max. 5~5.5mm (depend on the sewing material)

Button system

0.7~2 (depend on the sewing material)

Adjust screw and adjust lever

Automatic lubrication by oil pump

General sewing machine oil ISO VG 22

Model SC(D)(T) 9300 Series

High-speed Thick Stuff Safety Stitch Overlock sewing machine

ISO 516, 401 + 514

Thick Stuff sewing (knitwear type)

max. 6000~7500 s.p.m (depend on the sewing material)

1.4~4.5mm

max. 5.5mm, 7mm (depend on the sewing material)

Organ DCx27 Nm 7~130

3, 5mm

max. 5~7mm (depend on the sewing material)

Button system

0.7~2, 0.8~1.5

Adjust screw and adjust lever

Automatic lubrication by oil pump

General sewing machine oil ISO VG 22

Explanation

Stitch form

Use

Sewing speed

Stitch width

Needle

Needle distance

Presser foot lift

Feeding volume adjustment system

Differential feed ratio

Differential feed ratio adjustment system

Lubrication system

Used oil

Explanation

Stitch form

Use

Sewing speed

Stitch width

Needle

Needle distance

Presser foot lift

Feeding volume adjustment system

Differential feed ratio

Differential feed ratio adjustment system

Lubrication system

Used oil

11

44

INSTALLATIONS

1) ADJUSTING BELT TENSION

2) BELT COVER INSTALLATION

3) TREADLE CONNECTION

1) Put the sewing machine on the table, install the belt on the
sewing pulley, connect the belt to the motor pulley, and adjust
the belt tension.

2) adjust the length of deflection around 2cm when pressing the
center of the belt.

Install the belt cover

① with the screw②

[Figure 1]

[Figure 2]

Connect the presser lever① to the treadle② by using the chain
③. Adjust the length of the chain③ to make the treadle② easier

to operate.

①

②

[Figure 3]

Check the OFF-status condition of a
power switch before adjusting tension on
the belt.

Caution

Install the belt cover for the safety

Caution

①

②

③

2cm

12

The sewing pulley is turned clockwise when seeing from the end of the pulley.

1) OIL

Mobil Velocite Oil No. 10(ISO Viscosity Grade 22)

55

66

LUBRICATION

DIRECTION OF PULLEY ROTATION

Check the OFF-status condition of a power switch before lubricating.

Warning

Do not put foreign substances into the lubricating oil to prevent oil from aging of and breaking
down.

Caution

We recommend that you operate the sewing machine at the rate of 4,000 s.p.m for 200hours
(about a month) for the durability.
The direction of the main shaft pulley① and the motor pulley② rotation is clockwise.

Caution

[Figure 4] [Figure 5]

①

②