Service manual

TABLE OF CONTENTS
A - INTRODUCTION
1. General information......................................................................................................1-1
2. Safety labels and devices...............................................................................................1-2
3. Terminology of machine parts.........................................................................................1-3
4. Terminology of buttonhole parts................................................................................1-4
5. Technical condition.....................................................................................................1-5
6. Coloured markings....................................................................................................1-6
7. Safety instructions for operators and servicemen .....................................................1-6
8. Special equipment ....................................................................................................1-8
B - MACHINE INSTALLATION
1. Contents of consigment.............................................................................................1-9
2. Sewing head installation onto the table......................................................................1-9
3. Thread stand installation...........................................................................................1-10
4. Connecting machine with distribution of electricity....................................................1-11
5. Belt tension assembly and adjustment.....................................................................1-15
C - CORRECT USAGE
1. Buttonhole sewing process.......................................................................................1-16
2. Needle exchange......................................................................................................1-17
3. Threading the machine.............................................................................................1-17
4. Principles of sewing..................................................................................................1-21
5. Machine description and its functions.......................................................................1-22
6. Changing seaming width...........................................................................................1-22
7. Stitch density adjustment / changing the buttonhole shape - with - withot eye.........1-23
8. Stitching lenght and ybar adjustment......................................................................1-24
9. Changing the position of stitch row - gaps for cut ...................................................1-25
10.Setting the spread of the clamp feet........................................................................1-25
D - MACHINE ADJUSTMENT
1. Table adjustment......................................................................................................1-26
2. Stopping mechanism................................................................................................1-28
3. Stopping stroke adjustment......................................................................................1-30
4. Barke adjustment......................................................................................................1-31
5. Turning mechanism alignment.................................................................................1-32
6. Buttonhole shape adjustment...................................................................................1-33
7. Needle bar height.....................................................................................................1-34
8. Loopers adjustment..................................................................................................1-35
9. Spreaders adjustment...............................................................................................1-37
10. Upper thread trimming.............................................................................................1-38
11. Upper thread tension................................................................................................1-39
12. Sewing switch lewer.................................................................................................1-40
13. Material cutting mechanism adjustment...................................................................1-41
14. Adjustment of clamping mechanism.........................................................................1-43
15. Cut before and cut after adjustment........................................................................1-45
E - MAINTENANCE
1. Machine cleaning and maintenance..........................................................................1-46
2. Summary of maintenance..........................................................................................1-47
3. Machine lubrication ..................................................................................................1-48
4. Disposal provisions ..................................................................................................1-51