JUKI SC-810 Instruction Manual

ENGLISH

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, whenever you 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specied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, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth guide etc. 7-3 For repair work. 7-4 When leaving the working place or 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, immediately wash the contacted areas and consult a medical doctor.

9. Tampering with the live parts and devices, regardless of whether the machine is powered, is prohibited.

10. Repair, remodeling and adjustment works must only be done by appropriately trained technicians or specially skilled

personnel. Only spare parts designated by JUKI can be used for repairs.

11. General maintenance and inspection works have to be done by appropriately trained personnel.

 12. Repairand maintenanceworksofelectricalcomponentsshallbeconductedby qualiedelectrictechniciansorunder

the audit and guidance of specially skilled personnel.

  Wheneveryoundafailureofanyofelectricalcomponents,immediatelystopthemachine.

13. Before making repair and maintenance works on the machine equipped with pneumatic parts such as an air cylinder,

the air compressor has to be detached from the machine and the compressed air 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.

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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 electric technicians. Power plug has to be connected to a grounded receptacle.

17. The machine is only allowed to be used for the purpose intended. Other used are not allowed.

18. Remodel or modify the machine in accordance with the safety rules/standards while taking all the effective safety

measures.JUKIassumesnoresponsibilityfordamagecausedbyremodelingormodicationofthemachine.

19. Warning hints are marked with the two shown symbols.

Danger of injury to operator or service staff

Items requiring special attention

• There is the possibility that slight to serious injury or death may be caused.

1

• There is the possibility that injury may be caused by touching moving part.

• To perform sewing work with safety guard.

2

• To perform sewing work with safety cover.

• To perform sewing work with safety protection device.

• Turn OFF the power and perform “threading”, “replacement of bobbin or

3

needle”, “cleaning”, “adjustment” and “lubrication”.

SC-810 for JUS

This model is intended for commercial use.

BEFORE OPERATION “IMPORTANT SAFETY INSTRUCTIONS”

When using the sewing machine, basic safety precautions should always be followed, including the following: Read all

instructions before using

DANGER

WARNING

1. Do not allow to he used as a toy. Close attention is necessary when this machine is used by or near children.

2. Use th is mac hine o nly for its in ten ded us e as de scr ibed in t his man ual. U se onl y a ttach men ts

recommended by the manufacturer as contained in this manual.

3. Never operate this machine if it is not working properly, if it has been dropped or damaged, or dropped

into water. Return the machine to the nearest authorized dealer or service center for examination, repair,

electrical or mechanical adjustment.

4. Never drop or insert any object Into any opening.

5. Do not use outdoors.

6. Do not operate where aerosol (spray) products are being used or where oxygen is being administered.

7. To disconnect, turn ail controls to the off position, then remove plug form outlet.

8. Neveroperatethemachineunlessitsoilpanhasbeenlledwithoil.

–To reduce the risk of electric shock:

–Toreducetheriskofbums,re,electricshock,orinjurytopersons:

OPERATION PRECAUTIONS “SAVE THESE INSTRUCTIONS”

1. Never operate the machine with any air openings blocked. Keep ventilation openings of the sewing

machine tree from the accumulation of lint, dust, and loose cloth.

2. Keepngersawayfromallmovingparts.Specialcareisrequiredaroungthesewingmachineneedle.

3. Always use the proper needle plate. The wrong plate can cause the needle to break.

4. Do not use bent needles.

5. Donotpullorpushfabricwhilestitching.Itmaydeecttheneedlecausingittobreak.

6. Switch the sewing machine off when making any adjustments in the needle area, such as threading needle,

changing needle, threading bobbin, or changing presser foot, and the like.

7. Always disconnect power source from sewing machine when removing covers, Iubricating, or when

making any other user servicing adjustments mentioned in the Instruction manual.

8. Keep your hands away from the needle when you turn the power switch ON or while the machine is

operating.

9. Donotputyourngersintothethreadtake-upcoverwhilethemachineisoperating.

10. Be sure to turn the power switch OFF before tilting the machine head or removing the V belt.

11. While the sewing machine is in operation, be careful not to allow your or any other person’s head or

hands to come close to the handwheel, V belt, bobbin winder or motor. Also, do not place anything close

to them. Doing so may be dangerous.

12. Ifyourmachineisprovided with a beltcover,nger guardoranyotherprotectors, do not operateyour

machine with any of them removed.

13. To achieve security, be sure that the power supply earth wire has been connected before operating the

sewing machine.

14. No motor sound is heard when the sewing machine is not operating. So, do not forget to turn the power

OFF at the end of work.

15. When you move the unit from a cold place directly to a warm place, dew condensation may result. Turn

ONthepowertotheunitafteryouhaveconrmedthereisnofearofdewcondensation.

16. In case of thunder, be sure to stop the unit and remove the power plug from the receptacle for extra

safety.

17. Whenever you connect/remove the power connector or the like, be sure to turn OFF the power switch

beforehand.

FOR SAFE OPERATION

1. To avoid electrical shock hazards, neither open the cover of the electrical box for the motor nor touch the components mounted inside the electrical box while the power switch is ON.

1. So as to avoid personal injuries, never operate the machine with the safety devices such as the belt cover and the eye-guard cover removed.

2. So as to avoid personal injuries caused by being caught in the machine, during operation, be careful not to allow your or any other person’s head, hands or clothes to come close to the handwheel, V-belt or motor. Also, do not place anything close to them.

 3.Soastoavoidinjuriestongersandhands,becarefulnottoallowyourorany

otherperson’sngerstocomeclosetotheclothcuttingknifeortheneedlewhen

turning ON the power or during operation.

 4.Soastoavoidinjuriestongersandhands,donotplacethengersinsidethe

eye-guard cover.

5. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the power switch and ascertain that the sewing machine does not run even if the starting pedal is depressed when removing belt cover, motor pulley or V-belt.

6. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the power switch and ascertain that the sewing machine does not run even if the starting pedal is depressed when performing such works as inspection or adjustment of the sewing machine, cleaning, threading, replacing the needle, etc.

7. So as to avoid electrical shock hazards, do not operate the machine with the power supply earth wire removed.

8. So as to avoid electrical shock hazards and accidents caused by damaged electrical components, be sure to turn OFF the power switch before inserting/ detaching the power plug.

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9. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the power switch when leaving the sewing machine table.

10. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the power switch when the electricity fails.

11. So as to avoid personal injuries caused by being caught in the machine, the motor pulley should be attached with the pulley cover as well as the catching protection pin.

12. When changing the set value described in the functions for maintenance (attached with * mark) on the function setting list in this Instruction Manual, be sure to purchase the Engineer’s Manual and perform the work after fully understanding the contents.

If the set valve is carelessly changed, it is in danger of causing the machine to be

broken or the performance to be deteriorated. So, be careful.

13. Be careful of handling this product so as not to pour water or oil, shock by dropping, and the like since this product is a precision instrument.

iii

CONTENTS

. SPECIFICATIONS ..................................................................................... 1

. SET-UP ...................................................................................................... 1

1. Installing the box bracket ..........................................................................................1

2. Installing the control box ..........................................................................................1

3. Attaching the connecting rod ...................................................................................2

4. Connecting the cords ................................................................................................2

5. Setting procedure of the machine head ..................................................................6

6. Machine head list .......................................................................................................6

7. Adjusting the machine head .....................................................................................7

. FOR THE OPERATOR .............................................................................. 8

1. Operating procedure of SC-810 ................................................................................8

2. Explanation of the operation panel ........................................................................10

3. Setting for functions of SC-810 ..............................................................................14

4. Function setting list .................................................................................................16

5. Detailed explanation of selection of functions .....................................................19

6. Automatic compensation of neutral point of the pedal sensor ...........................25

7. Setting of the auto lifter function ...........................................................................25

8. Initialization of the setting data ..............................................................................26

. MAINTENANCE ...................................................................................... 27

1. Replacing the fuse ...................................................................................................27

2. Error codes ...............................................................................................................29

. SPECIFICATIONS

Supply voltage Single phase 220 to 240V

Frequency 50 Hz / 60 Hz

Operating environment

Input 320VA

. SET-UP

Install the motor unit to the control box following the instructions below.

Temperature : 0 to 40˚C Humidity : 90% or less

1. Installing the box bracket

Fix box bracket, right

the direction as shown in the gure using the bolts

supplied with the unit as accessories.

and box bracket, left 2 in

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2. Installing the control box

Spring

washer Convex washer

Nat

Install the control box on the table with the tting bolt

asm. supplied with the unit as accessories.

At this time, insert the nuts and washers supplied

with the unit as accessories as shown in the gure so that the control box can be securely xed on the

table.

1) Press three bolts

cessories into the hanging bolt hole in the table

and x them.

2) Temporarily tighten convex washer, spring wash-

er and nut on the side where two bolts are at-

tached.

3) Hang the control box to the washer which has

been temporarily tightened, and attach convex

washer, spring washer and nut to the other bolt

on the opposite side.

4) After adjusting the installing position of the con-

trol box, securely tighten the respective nuts.

supplied with the unit as ac

– 1 –

– 2 –

3. Attaching the connecting rod

WARNING :

To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and a lapse of 5 minutes or more.

4. Connecting the cords

WARNING :

• To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after turning OFF the power switch and a lapse of 5 minutes or more.

• Topreventdamageofdevicecausedbymaloperationandwrongspecications,besuretoconnect allthecorrespondingconnectorstothespeciedplaces.

• To prevent personal injury caused by maloperation, be sure to lock the connector with lock.

• As for the details of handling respective devices, read carefully the Instruction Manuals supplied with the devices before handling the devices.

1) Fix connecting rod

al lever

with nut

2) Installing connecting rod

to installing hole B of ped

to installing hole

will lengthen the pedal depressing stroke, and

the pedal operation at a medium speed will be

easier.

Following connectors are prepared when loosening the connector cover 1 xing screws A of SC-810 and

opening the cover. Connect the machine head connectors to the positions corresponding to each other so as to t the devices mounted on the machine head.

CN30

CN36

CN37

CN56

CN38 CP panel connector

CN55 CN55 +24V power

CN50 Output connector for optional

Motor signal connector

Machine head solenoid connector

Presser foot lifter solenoid connector

Safety switch

Unused connector

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1) Pass cords

of the thread trimming solenoid, reverse-stitching solenoid, etc. and the cord from the mo-

tor through hole A in the table to route them down under the machine table.

2) Pressing down the protrusion on the top surface of connector cover

toward you.

, open the connector cover

5 4

3) Connect 14P code head to connector

coming from the machine

(CN36).

4) When the optional AK device is attached, connect 2P connector to connector

5) Connect connector

connector

(Caution) 1. When using the AK device, set it after

2. Be sure to securely insert the respec

(When using a type with lock, insert the

The sewing machine is not actuated un

(CN30) on the circuit board.

conrminghowto selecttheauto-lifter

function. (Refer to page 25.)

tive connectors after checking the in-

serting directions since all connectors

have the inserting directions.

connectors until they go to the lock.)

less the connectors are inserted prop-

erly. In addition, not only the problem

of error warning or the like occurs, but

also the sewing machine and the con-

trol box are damaged.

coming from the AK device

(CN37).

coming from the motor to

– 3 –

– 4 –

[ Connection of the connector for CP panel ]

Connector for connecting CP-160/170 is prepared.

Paying attention to the orientation of the connector

, connect it to connector

(CN38) located on the

circuit board. After connecting, securely lock the con-

nector.

(Caution) Be sure to turn OFF the power before con-

necting the connector.

[ Connection of the pedal of standing-work machine ]

Connect the connector of PK70

to connector

(CN39 : 12P) of SC-810.

(Caution) Be sure to turn OFF the power before con-

necting the connector.

7) After inserting the connector, put all cords togeth-

er with cable clip band

located on the side of

the box.

8) Close connector cover 3.

(Caution) Take care not to allow the cord to be

caught in connector cover 3.

!4 !5

9) Connect connector 4P

to connector

locat

on the side of the box.

10) Connect motor

to connector

outpu

t cord

of the power switch

11) When using the CP panel, bundle the cables of

machine head in one place using cable clip band

supplied with CP panel as accessories as

shown in the gure.

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12) Make sure that the power switch is turned OFF

and insert power supply cord coming from the

power switch into the power plug socket.

(Caution) 1. Check again the supply voltage indicat-

ed on the control box before connect-

ing the power cord.

2. Be sure to prepare power plug

formed to the safety standard.

3. Be sure to connect the ground wire (

green / yellow).

con-

– 5 –

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