JUKI MO-735N Manuale utente

MO-735N

2-Needle,2/3/4/5-Thread Overlock + Cover Stitch Sewing Machine

IMPORTANT:

Read all safety regulations carefully and under-stand

them before using your sewing machine. Retain this in-

struction manual for future reference.

INSTRUCTION MANUAL

“IMPORTANT SAFETY INSTRUCTIONS”

When using an electrical appliance, basic safety precautions should always be followed, including

the following: Read all instructions before using this sewing machine.

“DANGER ____ To reduce the risk of electric shock:”

1. The appliance should never be left unattended when plugged in.

Always unplug this appliance from the electric outlet immediately after using and before cleaning.

“WARNING ____ To reduce the risk of burns, re, electric shock, or injury to persons:”

1. Do not use the appliance as a toy. Caution is advised when the appliance is used by children, or

near children. This sewing machine can be used by children aged from 8 years and above and

persons with reduced physical, sensory or mental capabilities or lack of experience and knowl-

edge if they have been given supervision or instruction concerning use of the sewing machine

in a safe way and understand the hazards involved. Children shall not play with the sewing

machine. Cleaning and user maintenance shall not be made by children without supervision.

2. Use this appliance only for its intended use as described in this manual. Use only attachments

recommended by the manufacturer as contained in this manual.

3. Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it

has been dropped or damaged, or dropped into water. Return the appliance to the nearest au-

thorized dealer or service center for examination, repair, electrical or mechanical adjustment.

4. Never operate the appliance with any air openings blocked. Keep ventilation openings of the

sewing machine and foot control free from the accumulation of lint, dust, and loose cloth.

Keep ngers away from all moving parts. Special care is required around the sewing machine needle.

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

7. Do not use bent needles.

8. Do not pull or push fabric while stitching. It may deect the needle causing it to break.

9. Do not carry out sewing with a marking pin stuck in the material since doing so can cause knife/

needle breakage. In addition, do not attempt to cut anything other than fabric and thread with

the upper/lower knives.

10. Switch the sewing machine o󰀨 “O” when making any adjustments in the needle area, such as

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

11. Always unplug the machine from the electrical outlet when removing covers, when covers are

opened to thread the loopers, when lubricating or when making any other user servicing adjust-

ments mentioned in the instruction manual.

12. Never drop or insert any object into any opening.

13. Do not use outdoors.

14.

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

15. To disconnect, turn all controls to the o󰀨 “O” position, then remove plug from outlet.

16. Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.

17. Basically, the machine should be disconnected from the electricity supply when not in use.

18. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or sim-

ilarly qualied persons in order to avoid a hazard.

19. (Except USA/Canada) This machine is provided with double insulation.

Use only identical replacement parts. See instructions for servicing Double-Insulated machine.

“SERVICING DOUBLE-INSULATED PRODUCTS

(Except USA / Canada)”

In a double-insulated product, two systems of insulation are provided instead of grounding. No

grounding means is provided on a double-insulated product nor should a means for grounding be

added to the product. Servicing a double-insulated product requires extreme care and knowledge

of the system and should only be done by qualied service personnel. Replacement parts for a

double-insulated product must be identical to those parts in the product. A double-insulated product

is marked with the words DOUBLE INSULATION or DOUBLE INSULATED.

The symbol may also be marked on the product.

“SAVE THESE INSTRUCTIONS”

“This overlock sewing machine is intended for household use only.”

Danger warning

which is not speci-

ed

There is a risk of

electrical shock

There is a risk

of re

There is a risk of

injury to hands,

etc.

Prohibited matter

which is not speci-

ed

Disassembly/

alteration is pro-

hibited

Do not place

ngers under

the needle

Do not pour oil,

etc.

Generally required

behavior

Disconnect the

power plug

Congratulations on your purchase of a JUKI sewing machine.

Please be sure to read safety precautions in “To use the sewing machine safely” in the Instruction

Manual before use to fully understand the functions and operating procedures of the sewing

machine so as to use the sewing machine for a long time.

After you have read the Instruction Manual, please be sure to keep it together with the warranty so

that you can read it whenever necessary.

To use the sewing machine safely

Marks and pictographs included in the Instruction Manual and shown on the sewing machine are

used so as to ensure safe operation of the sewing machine and to prevent possible risk of injury to

the user and other people.

Warning marks are used for di󰀨erent purposes as described below.

WARNING Indicates that there is a possible risk of death or serious injury if this mark is ignored and the sewing machine

is used in a wrong manner.

CAUTION

Indicates the operation, etc. which can cause a possible risk of personal injury and/or physical damage if this mark

is ignored and the sewing machine is used in a wrong manner.

Pictographs mean the following:

● Do not wipe the sewing machine with solvent

such as thinner.

When the sewing

machine is soiled, put a

small quantity of neutral

detergent on a piece of

soft cloth and carefully

wipe o󰀨 the sewing

machine with it.

● Be sure to use the sewing machine in the

temperature range from 5ºC to 40ºC.

If the temperature is excessively low, the

machine can fail to operate normally.

WARNING

For the combination of the material and the thread and needle, in particular, refer to the explanation

table in “Replacement of the needle”.

If the needle or thread does not match the material used such as in the case that an extra heavy-

weight material (e.g., denim) is sewn with a thin needle (#11 or higher), the needle can break result-

ing in an unexpected personal injury.

Other precautions

● Do not put the sewing machine under the

direct sunlight or in a humid place.

Be aware that the following state can take place since the sewing machine incorporates semi-con-

ductor electronic parts and precise electronic circuits.

* The operating temperature of the sewing machine is between 5ºC and 40ºC. Do not use the

sewing machine under the direct sunlight, near the burning things such as a stove and candle, or

in a humid place. By so doing, the temperature in the interior portion of the sewing machine can

rise or the coating of the power cord can melt, causing re or electrical shock.

LED light

・

Rated Voltage: 9V

・

Maximum power consumption: 1.3W

Safety instructions ········································1-3

Contents························································4

Details of the machine···································5-6

• Accessories·················································6

Preparing the machine / Using the machine ·······7-8

• Attaching the foot control································7

• Waste collector ············································7

• Thread stand ···············································8

• Placing the spool holder for the chain thread ······8

• Thread / cones / spools··································9

Using the machine

• Power/light switch·········································9

• Raising the upper knife ··································9

• Two step presser foot lifter with integrated front

foot lift······················································10

• Changing the presser foot ···························· 10

• Looper cover ············································· 11

• Cloth plate ················································ 11

• Handwheel················································ 11

• Inserting the needles ··································· 12

Needle and thread·········································13

Adjustments and settings

• Stitch length ··············································14

• Cutting width ·············································14

• Di󰀨erential feed·········································· 15

• Gathering··················································16

• Upper looper converter ································ 16

• Roll hemming ············································17

Settings, practical sewing

• Presser foot pressure ·································· 17

• Sewing in tape ··········································· 18

• Thread breakage during sewing····················· 18

• Unpicking seams ········································18

Threading preparations / tips ···························19

Stitch chart·············································· 20-21

Threading 4/3 Thread OL

• Upper looper ·············································22

• Lower looper ·············································23

• Right-hand needle ······································24

• Left-hand needle ········································25

Threading, Chain stitch and OL ··················· 26-28

Contents

Trial sewing, thread tension ·····························29

Thread tension ········································ 29-30

Cover/chain stitch functions·····························31

Cover/chain stitch functions and

general operating instructions ····················· 32-33

Threading 4 thread cover stitch

• Threading cover stitch looper ························34

• Cover stitch R needle ·································· 35

• Cover stitch C needle ·································· 36

• Cover stitch L needle··································· 37

Threading 3 thread cover stitch (wide) ···············38

Threading 3 thread cover stitch (narrow) ············39

Threading chain stitch ····································40

Sewing test and tension adjustment ··················41

Tension adjustments ······································42

Practical Sewing-Cover stitch

• Securing the seam end, cover stitch ···············43

• Unpicking seams ········································43

• Stitch plate with seam guide lines ·················· 43

• Simple hem ···············································44

• Flat joining seam ········································ 44

• Edges with elastic······································· 45

• Binding·····················································45

Top stitching seams /ribbing/yokes····················46

Practical Sewing-Chain stitch

• Gathering with chain stitch···························· 46

• Binding·····················································46

Maintenance

• Changing the upper knife ····························· 47

• Changing the lower knife······························ 47

• Cleaning and lubricating······························· 47

Trouble shooting guide ···································48

Technical data ··············································49

Optional Accessories ·····································50

View with looper cover open

Details of the machine

Selection lever for overlocking or roll hemming

Lower knife

Cutting width adjusting dial

Lower looper auto threader

Lower looper

Upper looper

Threading diagram

Slit type looper threading system

Lower knife setscrew

Looper cover with built in knife guard

Looper cover opening indent

Cloth plate

LED light

Thread take-up cover

Presser foot pressure regulating knob

Left needle thread tension dial

Right needle thread tension dial

Upper looper thread tension dial

Lower looper thread tension dial

Retractable support rod

Thread guide support

Foam pad

Anti-vibration cone

Thread stand

Stitch length adjustment dial

Di󰀨erential feed adjustment dial

Handwheel

Side cover

Matching up marks

Machine socket

Power/Light switch

Knife guard

Open thread guide

Spool holder pin

Thread cutter

Presser foot lifter

Stitch plate

Presser foot

Upper knife

Needle clamp

Details of the machine

CAUTION :

Be sure to turn o󰀨 the power switch

before opening the looper cover.

Accessories

View with cloth plate open

Needle set 130/705H (SCHMETZ)

Small screwdriver Tweezers

Upper looper converter

Needle threader

Brush/needle inserter

Chain-looper auto-threader

Chain-looper thread tension dial

Threading diagram for chain-looper thread

Cover/chain stitch

extension plate

Spool holder

Electronic foot control

Nets

Oiler Large screwdriver

Spool caps

Dust cover

Accessory bag

Cover stitch

presser foot

Lower knife

Waste collector

Details of the machine

Needle set JL×2 (3×No.80)

Preparing the machine / Using the machine

Attaching the foot control

Plug foot control into the machine socket (A) and then into main

socket (B). The foot control regulates the sewing speed. The sewing

speed can be adjusted by increasing or decreasing the pressure on

the foot control.

Waste collector

Clip the waste collector into the opening on the looper cover. It

catches the cut-off fabric as you sew, keeping your working area

neat and tidy.

CAUTION :

Be sure to turn OFF the power switch before plugging/un-

plugging the controller.

Preparing the machine / Using the machine

Thread stand

Push the support rod firmly into the socket on the back of the ma-

chine.

Raise the support rod (C) fully, turning slightly until the position

catches engage. Position the thread guide (D) on the thread stand

so that the arrow is to the front.

Placing the spool holder for the chain thread

Lift the foam pad (A), slide the guide tabs (C) of the spool holder (B)

into the guide of the upper side of the spool holder from left to right

into position (E) and press until tab (D) clicks into the underside of

rib. (F)

Thread / cones / spools

The anti-vibration cone should be

used with the wider edge at the

bottom on the spool holder pin

when sewing with cones.

Large spools

If large industrial spools are used,

position the anti-vibration cone

upside down on the spool holder

pin, i .e. with the wider edge at the

top.

Household spools

Remove the anti-vibration cones.

Place spools on spool holder pins

and push the spool caps on with

the rounded side downwards.

Thread net

If the threads slip and get twisted,

cover the looper spools with the

net supplied in the accessory bag.

Preparing the machine / Using the machine

Using the machine

Power/light switch

The power/light switch is conveniently placed on the handwheel side of the

machine in front of the socket.

O = Off

I = On with light

Raising the upper knife

Switch the machine o󰀨 (power switch ”O”)

• Turn the handwheel towards you until the needles are fully raised.

• Open the looper cover.

Press the upper knife holder (E) to the right. Turn the knob clockwise (F) until

the knife is in the position illustrated (G).

CAUTION :

Perform these following steps when you are not using your sewing machine:

1. Be sure to turn OFF the power switch.

2. Be sure to remove the power plug from the wall outlet.

3. Do not place a thing on the foot controller.

Indice

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