Juki MF-7900 Handleiding

Juki Naaimachine MF-7900

Lees hieronder de 📖 handleiding in het Nederlandse voor Juki MF-7900 (30 pagina's) in de categorie Naaimachine. Deze handleiding was nuttig voor 29 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

Pagina 1/30

INSTRUCTION MANUAL

MF-7900

No.03

70002027

CONTENTS

!. SPECIFICATIONS ..........................................................................................................1

@. CONFIGURATION OF THE MACHINE COMPONENTS ...............................................2

#. INSTALLATION ..............................................................................................................3

1. Installing the machine head onto the table ........................................................................... 3

2. Selecting the motor pulley and the belt ................................................................................. 9

3. Installing the motor .................................................................................................................. 9

4. Setting the belt ........................................................................................................................ 9

5. Installing the belt cover ......................................................................................................... 10

6. Installing the chain ................................................................................................................ 10

7. Installing the thread guide .................................................................................................... 10

8. Installing the needle bar thread take-up cover ................................................................... 11

$. LUBRICATION AND OILING .......................................................................................11

1. Lubricating oil ........................................................................................................................ 11

2. Oiling ....................................................................................................................................... 11

3. Silicon oil lubricating unit ..................................................................................................... 12

%. OPERATION .................................................................................................................12

1. Needle ..................................................................................................................................... 12

2. Attaching the needle .............................................................................................................. 12

3. Threading the machine head ................................................................................................ 13

(1) Standard threading .................................................................................................................. 13

4. Adjusting the stitch length .................................................................................................... 14

5. Adjusting the differential feed ratio ..................................................................................... 14

Adjusting the presser foot pressure......................................................................................... 15

7. Adjusting the thread tension ................................................................................................ 15

ADJUSTING THE SEWING MACHINE .......................................................................................16

1. Adjusting the silicon container thread guide ...................................................................... 16

2. Adjusting the needle bar thread take-up thread receiver .................................................. 16

3. Adjusting the rocking thread take-up .................................................................................. 17

4. Adjusting the spreader thread guide ................................................................................... 17

5. Adjusting the looper thread cam thread guide and the looper thread cam ..................... 17

6. Adjusting the looper .............................................................................................................. 18

7. Adjusting the height of the needle ....................................................................................... 18

Adjusting the rear needle guard ................................................................................................................. 19

9. Relation between the rocking thread take-up timing and the needle thread loop ..............19

(1) Adjustment by the crank ......................................................................................................... 19

(2) Adjustment by the eccentric cam ........................................................................................... 20

10. Adjusting the height of the feed dog ................................................................................... 21

11. Installing position of the spreader ....................................................................................... 21

12. Adjusting the spreader thread guide and the needle clamp thread guide ....................... 22

13. Adjusting the front needle guard ......................................................................................... 22

14. Adjusting the presser foot lift ............................................................................................... 23

15. Adjusting the micro-lifter ...................................................................................................... 23

16. Adjusting the feed locus ....................................................................................................... 24

(1) Retarding the feed driving motion .......................................................................................... 24

(2) Retarding the feed rocking motion ......................................................................................... 25

17. Adjustment value of balloon ................................................................................................. 26

&. MAINTENANCE ...........................................................................................................28

1. Cleaning the sewing machine ............................................................................................... 28

2. Replacing the lubricating oil ................................................................................................ 28

 3. Inspectingandreplacingtheoillter .................................................................................. 28

– 1 –

!. SPEcIFIcatIoNS

Model name High-speed, cylinder-bed coverstitch machine

Model MF-7900 series

Stitch type ISO standard 406, 407, 602, and 605

Example of application Hemming and covering for knits and general knitted fabrics

Sewing speed

Max. 6,500 sti/min (at the time of intermittent operation) V-belt type

6,000 sti/min (at the time of intermittent operation) Direct-drive type

Speed of stitch at the delivery. 4,500 sti/min (at the time of intermittent operation)

Needle gauge 3-needle ... 5.6 mm and 6.4 mm

2-needle ... 3.2 mm, 4.0 mm and 4.8 mm

Differential feed ratio

1 : 0.9 to 1 : 1.8 (stitch length : less than 2.5 mm)

(1:0.6 to 1:1.1, when the differential link hinge screw is changed)

Micro-differential feed adjustment mechanism is provided. (Micro-adjustment)

Stitch length 0.9 mm to 3.6 mm (can be adjusted up to 4.5 mm)

Needle UY128GAS #9S to #1 S (standard #10S)2

Needle bar stroke 31mm (33 mm, when the eccentric pin is changed)

Dimensions (Height) 450 x (Width) 468 x (Length) 264

Weight 42 kg

Lift of presser foot 8 mm (needle gauge : 5.6 mm without top covering), and 5 mm (with top covering)

Micro-lifter mechanism is provided.

Feed adjustment

method

Main feed ... dial type stitch pitch adjustment method

Differential feed ... lever adjustment method

(micro-adjustment mechanism is provided.)

Looper mechanism Spherical rod drive method

Lubricating system Forced lubrication method by gear pump

Lubricating oil JUKI GENUINE OIL 18

Oil reservoir capacity Oil gauge lower line : 600 cc to upper line : 900 cc

Installation Table-xed type, Semi-submerged type

Noise

- Equivalent continuous emission sound pressure level (L

pA) at the workstation :

A-weighted value of 79.5 dB; (Includes K

pA = 2.5 dB); according to ISO 10821- C.6.2

-ISO 11204 GR2 at 4,500 sti/min.

Product specificaties

Merk:	Juki
Categorie:	Naaimachine
Model:	MF-7900

Heb je hulp nodig?

Als je hulp nodig hebt met Juki MF-7900 stel dan hieronder een vraag en andere gebruikers zullen je antwoorden

Uw naam*

Jouw email*

Schrijf hier uw vraag

Handleiding Naaimachine Juki

Juki LU2-4410-B1T-CS Handleiding

19 Maart 2024

Juki AW-3SD Handleiding

5 Januari 2024

Juki DNU-1541-7 Handleiding

5 Januari 2024

Juki TU-273 Handleiding

5 Januari 2024

Juki PLK-J12060R Handleiding

1 December 2023

Juki DDL8700A-7 Handleiding

22 Maart 2023

Juki PLK-J12060RH Handleiding

9 Juli 2023

Juki LU2-4652-B1T Handleiding

8 Juli 2023

Juki LU-2860N Handleiding

8 Juli 2023

Juki PLK-G2008H Handleiding

8 Juli 2023

Handleiding Naaimachine

Nieuwste handleidingen voor Naaimachine

Husqvarna-Viking Hiclass E20 Handleiding

25 April 2024

Husqvarna-Viking Eden Rose 250C Handleiding

25 April 2024

Singer SO235 Handleiding

25 April 2024

Husqvarna-Viking Hiclass E10 Handleiding

25 April 2024

Husqvarna-Viking Eden Rose 250M Handleiding

25 April 2024

Husqvarna-Viking Huskylock 90 Handleiding

25 April 2024

Pfaff Hobbylock 4763 Handleiding

25 April 2024

Husqvarna-Viking Metal Hoop 180-130mm Handleiding

25 April 2024

Husqvarna-Viking Huskylock s15 Handleiding

25 April 2024

Husqvarna-Viking Amber Air S600 Handleiding

25 April 2024