Instrukcja obsługi Juki MF-7900DR-H24
Juki
maszyna do szycia
MF-7900DR-H24
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Juki MF-7900DR-H24 (30 stron) w kategorii maszyna do szycia. Ta instrukcja była pomocna dla 8 osób i została oceniona przez 4.5 użytkowników na średnio 5.0 gwiazdek
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MF-7900DR-H24
INSTRUCTION MANUAL

i
CONTENTS
1. SPECIFICATIONS 1 .......................................................................................
2. DRAWING OF TABLE ................................................................................ 2
3. SET UP ........................................................................................................ 4
3-1. Installing the SC-921 4 ..........................................................................................................
3-2. Installing the MC-450 ..........................................................................................................4
3-3. Installing the reactor box (for the CE type only) ..............................................................7
3-4. Connection and installation of the cable of power switch .............................................9
3-5. Installing the jog dial ........................................................................................................10
3-6. Wiring and connection of cables ....................................................................................11
3-7. Installing the air regulator ................................................................................................16
3-8. Air piping drawing ............................................................................................................17
3-9. Setting procedure of the machine head .........................................................................18
3-10. Setting of the auto lifter function ..................................................................................19
3-11. Error codes ......................................................................................................................20
4. SETTING THE TOP BELT FEED FUNCTION 21 ..........................................
4-1. Registering the feed pitch pattern 21 ..................................................................................
4-2. Setting the feed pitch .......................................................................................................22
5. PRESSER FOOT PRESSURE.................................................................. 23
5-1. Setting the presser foot pressure 23 ...................................................................................
5-2. Adjusting the presser foot pressure ...............................................................................23
6. CHANGING THE TOP BELT 24 ....................................................................
6-1. Removing the belt 24 .............................................................................................................
6-2. Installing the belt ..............................................................................................................26

– 1 –
1. SPECIFICATIONS
Model name Semi-dry head, cylinder bed, bottom coverstitch machine with digital type feed, for
hemming (provided with left fabric trimmer)
Model MF-7900DR-H24
Stitch type ISO standard 406 and 407
Example of application Hemming for knits and general knitted fabrics
Sewing speed Max. 5,000 sti/min
Factory-set sewing speed at the time of shipment : 4,000 sti/min
Needle gauge 3-needle........5.6 mm and 6.4 mm
2-needle........4.0 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 to 3.6 mm
Needle UY128GAS #9S to #12S (standard #10S)
Needle bar stroke 31 mm (or 33 mm when changing over the eccentric pin)
Dimensions (Height) 490 mm × (Width) 49 mm0 × (Length) 299 mm
Weight 48 kg
Lift of presser foot 8 mm (needle gauge : 5.6 mm)
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.)
Top belt feed Digitally adjustable by setting the operation panel ..............
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 Top mount type
Noise
- Equivalent continuous emission sound pressure level (LpA) at the workstation :
A-weighted value of 79.5 dB; (Includes KpA = 2.5 dB); according to ISO 10821-
C.6.2 -ISO 11204 GR2 at 4,000 sti/min.
This Instruction Manual only describes the exclusive parts of MF-7900DR-H24. For the
remaining items regarding this model of sewing machine which are not covered by this Manual,
refer to the below-mentioned Instruction Manuals.
· MF-7900
· MF-7500D, 7900D
· MF-7900D-H24
· MF-7900(D)/UT55, 56, 57
· MC37, 40
· SC-921
Specyfikacje produktu
Marka: | Juki |
Kategoria: | maszyna do szycia |
Model: | MF-7900DR-H24 |
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