Juki MF-7500 Manual de Usario
Juki
máquina de coser
MF-7500
Lee a continuación 📖 el manual en español para Juki MF-7500 (31 páginas) en la categoría máquina de coser. Esta guía fue útil para 8 personas y fue valorada con 4.5 estrellas en promedio por 2 usuarios
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ENGLISH
INSTRUCTION MANUAL
MF-7500
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CONTENTS
Ⅰ. SPECIFICATIONS .........................................................................................................1
Ⅱ. CONFIGURATION OF THE MACHINE COMPONENTS ..............................................2
Ⅲ.
INSTALLATION 3
......................................................................................................................
1. Installing the machine head onto the table 3
................................................................................
2. Selecting the motor pulley and the belt....................................................................................... 7
3. Installing the motor 7
.......................................................................................................................
4. Setting the belt 7
...............................................................................................................................
5. Installing the belt cover................................................................................................................. 8
6. Installing the chain 8
........................................................................................................................
7. Installing the thread guide 8
............................................................................................................
8. Installing the needle bar thread take-up cover 9
...........................................................................
Ⅳ. LUBRICATION AND OILING ........................................................................................9
1. Lubricating oil ................................................................................................................................
9 2. Oiling............................................................................................................................................. 10
3. Silicon oil lubricating unit 10
...........................................................................................................
Ⅴ. OPERATION ................................................................................................................11
1. Needle ...........................................................................................................................................
11
2. Attaching the needle ...................................................................................................................
11
3. Threading the machine head 12
......................................................................................................
4. Adjusting the stitch length 13
.........................................................................................................
5. Adjusting the differential feed ratio 13
...........................................................................................
6.
Adjusting the presser foot pressure ..................................................................................................
14
7. Adjusting the thread tension 14
......................................................................................................
Ⅵ.
ADJUSTING THE SEWING MACHINE 15 ......................................................................................
1. Adjusting the silicon container thread guide............................................................................ 15
2. Adjusting the needle bar thread take-up thread receiver 15
........................................................
3. Adjusting the rocking thread take-up 16
........................................................................................
4. Adjusting the spreader thread guide 16
.........................................................................................
5. Adjusting the looper thread cam................................................................................................ 16
6. Adjusting the looper thread cam eyelet 17
....................................................................................
7. Adjusting the looper 17
....................................................................................................................
8. Adjusting the height of the needle 18
.............................................................................................
9. Adjusting the rear needle guard................................................................................................. 18
10. Relation between the rocking thread take-up timing and the needle thread loop 19
................
(1) Adjustment by means of the crank 19
.............................................................................................
(2) Adjustment by the eccentric cam................................................................................................ 19
11. Adjusting the height of the feed dog 20
.........................................................................................
12. Installing position of the spreader 20
.............................................................................................
13. Adjusting the spreader thread guide and the needle clamp thread guide............................. 21
14. Adjusting the front needle guard 21
...............................................................................................
15.
Adjusting the presser foot lift 22
......................................................................................................
16. Adjusting the micro-lifter 22
............................................................................................................
17. Adjusting the feed locus 23
.............................................................................................................
(1) Changing the feed driving movement......................................................................................... 23
(2) Changing the feed rock movement 24
............................................................................................
(3) Restoring to the standard adjustment 24
........................................................................................
18. Adjustment value of balloon 25
......................................................................................................
19. Adjustment of the feed dog in longitudinal direction ............................................................. 27
(1) Longitudinal position of the feed dog.......................................................................................... 27
(2) For C11 28
.......................................................................................................................................
Ⅶ.
MAINTENANCE 29 ...................................................................................................................
1. Cleaning the sewing machine 29
...................................................................................................
2. Replacing the lubricating oil...................................................................................................... 29
3. Inspecing and replacing the oil lter ........................................................................................
29
– 1 –– 1 –‒ 1 ‒
Model name High-speed, at-bed coverstitch machine
Model MF-7500 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
Factory-set sewing speed at the time of shipment.
4,500 sti/min (at the time of intermittent operation)
Needle gauge 3-needle ... 4.8 mm, 5.6 mm, and 6.4 mm
2-needle ... 3.2 mm and 4.0 mm
Differential feed ratio 1 : 0.7 to 1 : 2 (stitch length : less than 2.5 mm)
Micro-differential feed adjustment mechanism is provided. (Micro-adjustment)
Stitch length 1.2 mm to 3.6 mm (can be adjusted up to 4.4 mm)
Needle UY128GAS #9S to #12S (standard #10S)
Needle bar stroke 31mm (or 33 mm when changing over the eccentric pin)
Dimensions (Height) 451 x (Width) 515 x (Length) 263
Weight 46kg
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 Semi-submerged type
Noise
- Equivalent continuous emission sound pressure level (
LpA) at the workstation :
A-weighted value of 76.5 dB; (Includes K
pA = 2.5 dB); according to ISO 10821- C.6.2 -ISO 11204
GR2 at 4,500 sti/min.
Ⅰ. SPECIFICATIONS
Especificaciones del producto
| Marca: | Juki |
| Categoría: | máquina de coser |
| Modelo: | MF-7500 |
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