Juki MF-57 Bruksanvisning
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INSTRUCTION MANUAL
MF-7900(D)/UT55,56,57

i
CONTENTS
I. SPECIFICATIONS ...........................................................................................................
1
II. AT THE BEGINNING......................................................................................................1
III. INSTALLING THE ACCESSORIES.............................................................................2
1. Installing the presser lifting cylinder 2
............................................................................................
2. Installing the air regulator 2
..............................................................................................................
3. Installation and setting SC-921 3
......................................................................................................
(1) Installing the SC-921 on the table ( Table-mount type ) 3
............................................................................
(2) Installing the SC-921 on the table ( Semi-submerged type ) 3 ....................................................................
(3) Connecting the cords 4 ...................................................................................................................................
(4) Setting procedure of the machine head 5 .....................................................................................................
(5) Setting the lower stop position of the needle bar 6 .....................................................................................
IV. AIR PIPING DRAWING.................................................................................................7
1. Piping of the thread trimmer device (UT57) 7
..................................................................................
2. Piping of the thread trimmer device (UT55) 8
..................................................................................
3. Piping drawing for air blow (UT56) 9
................................................................................................
4. Adjusting the air regulator 9
.............................................................................................................
V. THREADING THE MACHINE HEAD ..........................................................................
10
VI. ADJUSTING THE LOOPER THREAD TRIMMER MECHANISM ...........................
11
1. Adjusting the thread trimmer air cylinder ....................................................................................
11
2. Adjusting the Lower knife 12
............................................................................................................
3. Adjusting the position of clamp pressure adjusting spring 12
.....................................................
4. Adjusting the knife engagement and the knife pressure adjusting spring 12
.............................
5. Adjusting the pressure of clamp spring 12
.....................................................................................
6. Initial position of the looper thread trimmer mechanism 13
..........................................................
7. Adjusting the stopper 13
...................................................................................................................
8. Adjusting the height of the lower knife 13
.......................................................................................
9. Adjusting the lower knife holder guide 13
.......................................................................................
10. Adjusting the longitudinal position of the blade point of lower knife 14
......................................
11. Adjusting the thread trimmer sensor 14
..........................................................................................
12. Adjusting the speed of looper thread trimmer 14
...........................................................................
VII. ADJUSTING THE THREAD RELEASE MECHANISM ..........................................
15
1. Adjusting the disk-rise 15
.................................................................................................................
2. Adjusting the thread release hook 15
..............................................................................................
VIII. ADJUSTING THE TOP COVERING THREAD TRIMMER MECHANISM ............
16
1. Adjusting the engagement of knives 16
..........................................................................................
2. Adjusting the pressure of clamp spring 16
.....................................................................................
3. Adjusting the position of the blade point of moving knife 16
........................................................
4. Adjusting the speed of moving knife 17
..........................................................................................
IX. ADJUSTING THE AIR-BLOW WIPER (UT56) .........................................................
18
1. Installing the air-blow wiper 18
.........................................................................................................
2. Adjusting the air-blow wiper 18
........................................................................................................
X. ADJUSTING THE NEEDLE THREAD WIPER (UT55) ..............................................
19
1. Adjusting the clamp spring 19
..........................................................................................................
2. Installing the needle thread wiper 19
...............................................................................................
XI. MAINTENANCE ..........................................................................................................
20
1. Cleaning the motor fan 20
.................................................................................................................
Produktspecifikationer
Varumärke: | Juki |
Kategori: | Symaskin |
Modell: | MF-57 |
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