CONTENTS

1. MACHINE SPECIFICATIONS...............

1

2. SEWING PATTERN..............................

2

3. FUNCTION SETTINGS.........................

3

3-1. Setting memory switches..................................

3

3-2. List of memory switch settings .........................

4

3-3. Data initialization ..............................................

14

3-3-1. Resetting the settings to their defaults ..

14

3-3-2. When data is initialized automatically....

16

3-4. Error history checking method..........................

17

3-4-1. Error history checking method...............

17

3-4-2. Error history display examples ..............

18

3-5. Software version checking method ..................

18

3-5-1. Version update checking method ..........

18

3-6. Checking input and output................................

19

3-6-1. Input and output checking method ........

19

3-6-2. Input and output check list.....................

19

3-7. DIP switch setting method................................

21

3-8. Needle zigzag home position adjustment

 

procedure .........................................................

22

4. USING CF CARDS ...............................

23

4-1. Precautions when handling CF cards

 

(commercially available)...................................

23

4-2. Structure of a CF card folder ............................

23

4-3. Preparation for reading/writing data .................

24

4-4. Reading additional sewing data into the sewing

machine ............................................................

25

4-5. Writing additional sewing data to CF cards......

26

4-6. Reading memory switch data into the sewing

 

machine ............................................................

27

4-7. Writing memory switch data to a CF card...........

28

4-8. Updating the control program version ..............

29

4-8-1. Control program version updating

 

procedure ..............................................

29

4-8-2. Restoring the control program if an error

occurs during version updating .............

30

4-9. Writing error log data to CF cards ....................

31

5. MECHANICAL DESCRIPTIONS ..........

32

5-1. Needle bar and thread take-up mechanisms....

32

5-2. Lower shaft and shuttle race mechanisms .......

33

5-3. Zigzag mechanism............................................

34

5-4. Presser foot mechanism ...................................

35

5-5. Feed mechanism ..............................................

37

5-6. Lubrication mechanism.....................................

40

5-7. Thread trimmer mechanism (8560A only) ........

42

5-8. Tension release mechanism.............................

43

5-9. Thread wiper mechanism

 

(8560A only, optional device) ...........................

45

6. DISASSEMBLY ....................................

46

6-1. Covers...............................................................

47

6-2. Presser foot mechanism ...................................

48

6-3. Needle bar mechanism.....................................

48

6-4. Zigzag mechanism............................................

49

6-5. Rotary hook mechanism ...................................

51

6-6. Lubrication mechanism.....................................

52

6-7. Feed mechanism ..............................................

52

6-8. Thread trimmer mechanism (8560A only) ........

53

6-9. Thread wiper mechanism

 

(8560A only, optional device) ...........................

54

7. ASSEMBLY ..........................................

55

7-1. Thread wiper mechanism (8560A only)............

55

7-2. Feed mechanism ..............................................

56

7-3. Lubrication mechanism.....................................

57

7-4. Zigzag mechanism............................................

58

7-5. Needle bar mechanism.....................................

59

7-6. Rotary hook mechanism ...................................

60

7-7. Presser foot mechanism ...................................

61

7-8. Covers...............................................................

62

7-9. Thread wiper mechanism

 

(8560A only, optional device) ...........................

63

8.CHANGING THE FEED AMOUNT TO LONG STITCH SPECIFICATIONS

(from 2.0mm to 5.0mm) ..........................

64

Z-8550A, 8560A