Juki LK-1920 Bruksanvisning

Juki Symaskin LK-1920

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INSTRUCTION MANUAL

LK-1910, LK-1920

CONTENTS

1. SPECIFICATIONS 1

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2. CONFIGURATION 2

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2-1. Names of main unit 2

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2-2. Names and explanation of switches on the

operation panel 3

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3. INSTALLATION 4

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3-1. Installing the table 4

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3-2. Installation procedure of the electrical box 5

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3-3. Connecting the power source cord 6

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3-4. How to carry the sewing machine....................7

3-5. Installation of the sewing machine head.........7

3-6. Installing the motor cover.................................8

3-7. Pedal switch 8

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3-8. Tilting the sewing machine head 9 .....................

3-9. Installing the operation panel 9

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3-10. Connecting the cords 10

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3-11. Handling the cords

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3-12. Installing the eye protection cover

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3-13. Installing the thread stand 12

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3-14. Installing the auxiliary throat plate cover 12

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3-15. Attaching and removing the bolt for

transportation 13

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4. OPERATION OF THE SEWING MA-

CHINE 14

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4-1. Lubrication 14

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4-2. Attaching the needle 15

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4-3. Threading the machine head 15

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4-4. Installing and removing the bobbin case 16

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4-5. Installing the bobbin 16

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4-6. Adjusting the thread tension 16

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4-7. Adjusting the thread take-up spring 17

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4-8. Adjusting the height of the intermediate

presser (Only for the LK-1920) 17

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4-9. Adjusting the intermediate presser stroke (Only

for the LK-1920) 17

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5. OPERATION OF THE SEWING MA-

CHINE (BASIC) 19

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5-1. Model selection................................................19

5-2. Selection of language 19

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5-3. Setting the pattern number 20

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5-4. Setting the item data 20

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5-5. Checking the contour of a sewing pattern 23

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5-6. Sewing 24

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5-7. Changing the pattern to a different one 25

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5-8. Winding a bobbin 25

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5-9. Adjustment of the bobbin thread winder

components 27

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6. OPERATION OF THE SEWING MA-

CHINE (ADVANCED) 28

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6-1. Performing sewing using the pattern keys 28

...

6-2. Sewing using the combination function (cycle

sewing) 32

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6-3. Sewing through the use of the counter 35

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6-4. How to use the temporary stop 38

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6-5. Copying or deleting various kinds of pattern

data 39

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6-6. Communication 41

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6-7. Cautions in operation 43

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6-8. Setting enable/disable of standard pattern

invoking 44

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7. MAINTENANCE 45

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7-1. Adjusting the height of the needle bar 45

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7-2. Adjusting the needle-to-shuttle relation 46

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7-3. Adjusting the lift of the work clamp foot 47

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7-4. The moving knife and counter knife 47

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7-5. Adjusting the rising amount of the thread

tension disk 48

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7-6. Thread breakage detector plate 48

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7-7. Draining waste oil 49

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7-8. Replacing the fuse...........................................49

8. HOW TO USE THE MEMORY

SWITCH 50

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8-1. Method of changing memory switch data 50

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8-2. List of the memory switch functions 51

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9. OTHERS.............................................. 55

9-1. LK-1910/-1920 data ROM.................................55

9-2. Connection of the optional pedal 55

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9-3. Error list............................................................58

9-4. Troubles and corrective measures 62

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9-5. Table of the optional parts 63

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9-6. Silicon oil tank 64

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10. DRAWING OF THE TABLE 65

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－ 1 －

1 Sewing area X (lateral) direction 100 mm Y (longitudinal) direction 60 mm

2 Max. sewing speed 2500 sti/min* (When sewing pitches are less than 3 mm.)

3 Stitch length 0.1 to 10.0 mm (adjustable in 0.1 mm step)

4Feed motion of work clamp

foot Intermittent feed (2-shaft drive by stepping motor)

5 Needle bar stroke 41.2 mm

6 Needle DP × 5, DP × 17

7 Lift of work clamp foot 18 mm (standard) Max. 22 mm (Pneumatic type : max. 25 mm)

8 Hook 2-fold semi-rotary hook (oil wick lubrication)

9Intermediate presser

stroke

4 mm (standard)

(Adjustable in the range of 0 and 4 to 10 mm) (LK-1920 only)

10 Lift of intermediate presser 18 mm (LK-1920 only)

11 Lubricating oil New Defrix Oil No. 2 (supplied by oiler)

12 Data recording Memory in MAIN PCB (80 Kbyte)

EEP-ROM (32 Kbyte)

Enlarging / Reducing facility

20 % to 200 % (1% step) in X direction and Y direction respectively

14 Enlarging / Reducing

method Pattern enlargement / reduction can be done by increasing/decreasing the stitch length

Temporary stop function

Used to stop machine operation during a stitching cycle.

16 Thread breakage detection

function Used to detect needle thread breakage to automatically stop machine.

17 Max. sewing speed limita-

tion 200 to 2,500 sti/min* (100 sti/min steps)

18 Pattern selection

Standard patterns : 51

User patterns : 1 to 200

Old user patterns : 1 to 99

Media patterns : 1 to 999

19 Bobbin thread counter UP/DOWN type (0 to 9999)

20 Sewing machine motor Servo motor

21 Dimensions W : 1200 mm L : 700 mm H : 1160 mm

(Use the standard table and stand.)

22 Mass (gross mass) Machine head : 46 kg Control box : 5 kg

Power consumption

380 VA (Operation for 35 seconds at 2,500 sti/min; at rest for two seconds)

24 Operating temperature

range 5 ˚C to 35 ˚C

Operating humidity range

35 % to 85 % (No dew condensation)

26 Line voltage Rated voltage ±10% 50/60 Hz

27 Air pressure used 0.5 to 0.55 MPa (Only for the pneumatic type)

28 Air consumption 1.3 ℓ/min (Only for the pneumatic type)

29 Noise

- Equivalent continuous emission sound pressure level (L

pA) at the workstation :

A-weighted value of 77.5 dB; (Includes K

pA = 2.5 dB); according to ISO 10821- C.6.3

-ISO 11204 GR2 at 2,500 sti/min for the sewing cycle, 1.0s ON (Pattern : No.1).

- Sound power level (LWA) ;

A-weighted value of 77.5 dB; (Includes K

WA = 2.5 dB); according to ISO 10821- C.6.3

-ISO 3744 GR2 at 2,500 sti/min for the sewing cycle, 1.0s ON (Pattern : No.1).

* Reduce the max. sewing speed in accordance with the sewing conditions.

1. SPECIFICATIONS

Produktspecifikationer

Varumärke:	Juki
Kategori:	Symaskin
Modell:	LK-1920
Färg på produkten:	Zwart, zilver
Snäll:	Home audio-microsysteem
Kraftkälla:	AC
Blåtand:	Ja
Beeldscherm:	Ja
Bluetooth-version:	4.0
Ljudformat som stöds:	MP3
USB uttag:	Ja
Antal USB 2.0-portar:	1
Genomsnittlig effekt:	30 W
Antal högtalare:	2
Volymkontroll:	Digitaal
Typ av tuner:	Digitaal
Inspänning:	230 V
Frekvens:	50 - 60 Hz
Peak Music Power Output (PMPO):	180 W
Fjärrstyrd:	Ja
Spela MP3:	Ja
AUX ingång:	Ja
Typ-av-optisk-enhet:	CD, CD-RW
Frekvensband som stöds:	FM
Antal förinställda kanaler:	40
Optisk skivspelare:	Ja
Antal optiska enheter:	1 schijven
Kassettdäck:	Nee
Bredd på fronthögtalaren:	150 mm
Främre högtalare djup:	130 mm
Höjd på främre högtalare:	250 mm
Inkluderar RDS-tuner:	Ja
Apple dockningskompatibilitet:	Niet ondersteund
RDS:	PLL
Huvudenhetsmått (BxDxH):	180 x 220 x 120 mm
Wifi:	Nee
hi-fi:	Ja
Bredd på den bakre högtalaren:	150 mm
Höjd på bakre högtalare:	250 mm
Bakre högtalare djup:	130 mm