2
Table of contents
1. MOTOR BELT TENSION .......................................................................................................3
2. TIMING BELT TENSION .......................................................................................................3
3. BACKLASH OF HOOK GEAR...............................................................................................4
4. TIMING OF THE UPPER AND LOWER SHAFT ...................................................................5
5. GAP BETWEEN NEEDLE AND HOOK ................................................................................. 6
6. SETTING THE FEED DOG ...................................................................................................7
7. HEIGHT OF THE FEED DOG ...............................................................................................8
8. HEIGHT AND DIRECTION OF PRESSER FOOT ................................................................. 9
9. NEEDLE PLATE AND NEEDLE POSITION ........................................................................10
10. POSITION OF NEEDLE POINT LIMITING PLATE ...........................................................11
11. HEIGHT OF NEEDLE BAR ...............................................................................................12
12. HEIGHT OF NEEDLE THREADER ...................................................................................13
13. TIMING OF THE HOOK ....................................................................................................14
14. ADJUSTING THE FEED REGULATOR.............................................................................15
15. ADJUSTING THE FORWARD REVERSE STITCH ...........................................................16
16. ADJUSTING THE LOWER THREAD TENSION ...............................................................17
17. UPPER THREAD TENSION ............................................................................................18
18. FLATNESS OF THE BASE ...............................................................................................19
19. ADJUSTMENTS FOR BUTTONHOLE LEVER POSITION ...............................................20
20. BOBBIN WINDER .............................................................................................................21
Service Program ...................................................................................................................... 22
Service menu 1 - Step motor ................................................................................................... 23
Service menu 2 - Step motor 2 ................................................................................................ 23
Service menu 3 - Display test, Sensor test, Hardkey test .......................................................24
Service menu 4 - Tension, Test program .................................................................................27
Service menu 5 - Timers..........................................................................................................28
Embroidery Service menu 1 - Info ...........................................................................................29
Embroidery Service menu 2 - Unite test .................................................................................. 29
Embroidery Service menu 3 - Test embroidery .......................................................................30
Embroidery Service menu 4 - Thread tension .........................................................................31
Electrical Parts Connection .....................................................................................................32
REMOVING THE EXTERIOR PARTS ..................................................................................... 33
A. Light Cover .......................................................................................................................... 33
B. Thread Tension Cover ......................................................................................................... 34
C. Needle Plate .......................................................................................................................34
D. Base .................................................................................................................................... 35
E. Front Enclosure ................................................................................................................... 35
F. Unit Cover ............................................................................................................................ 36
G. Top cover ............................................................................................................................37
H. Rear Enclosure ...................................................................................................................37
REPLACING THE EXTERIOR PARTS....................................................................................38
H. Rear Enclosure ...................................................................................................................38
G. Top cover ............................................................................................................................38
F. Unit Cover ........................................................................................................................... 39
E. Front Enclosure ................................................................................................................... 39
D. Base .................................................................................................................................... 40
C. Needle Plate .......................................................................................................................41
B. Thread Tension Cover ......................................................................................................... 41
A. Light Cover .......................................................................................................................... 41
EMBROIDERY UNIT
REMOVING THE EXTERIOR PARTS ..................................................................................... 43
A. Drawer.................................................................................................................................43
B. X top cover ..........................................................................................................................43
C. Y carriage cover B ..............................................................................................................44
D. Y carriage cover A ...............................................................................................................44
EMBROIDERY UNIT
REPLACING THE EXTERIOR PARTS....................................................................................45
C. Y carriage cover B ..............................................................................................................45
D. Y carriage cover A ...............................................................................................................45
B. X top cover ..........................................................................................................................45
A. Drawer.................................................................................................................................47
Belt Tension of X, Y Carriage...................................................................................................48
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