Duerkopp Adler 579 Betriebsanleitung

Contents page:

Part 3: Service Instructions Cl. 579

Program Version 579A04

1. General

1.1 Necessary Program Setting ........................................ 5

2. Setting the Positioning Points ..................................... 7

3. Setting the Upper Dead Center ..................................... 8

4. Setting of the Upper Dead Center for the Sewing Drive ..................... 9

5. Setting the Needle Bar Parallel to the Looper Turret ....................... 11

6. Alignment of the Looper Turret to the Cloth Support Plate ................... 12

7. Lateral Movement of the Cloth Support Plate ............................ 13

8. Lengthwise Movement of the Cloth Support Plate ......................... 14

9. Clamping Plates

9.1 Parallelism .................................................. 15

9.2 Clearance of the Clamping Plates to the Cloth Support Plate .................... 15

9.3 Setting the Spread.............................................. 16

10. Height of the Cloth Clamps ....................................... 17

11. Setting of the Cloth Clamp Pressure ................................. 18

12. Setting the Seam Width

12.1 Narrow Seam Width ............................................. 19

12.2 Wide Seam Width .............................................. 20

12.3 Needle-Zero Setting............................................. 21

13. Cutting Knife

13.1 Position of the Cutting Knife ........................................ 22

13.2 Dressing of the Cutting Blocks ...................................... 24

13.3 Cutting Block Setting ............................................ 25

13.4 Cutting Pressure ............................................... 25

14. Looper Height ............................................... 26

15. Setting the Looping Stroke ....................................... 27

16. Needle Bar Height ............................................. 28

17. Looper Clearance to the Needle .................................... 29

18. Needle Guard ................................................ 29

19. Spreader ................................................... 30

20. Spreader Plate ............................................... 31

21. Needle Plate ................................................ 32

22. Setting the Needle Thread Knife .................................... 33

23. Thread Take-up Disk ........................................... 34

24. Gimp-pull Mechanism for Subclass -141000............................. 35

25. Short Trimmer for the Looper Thread and Gimp (579-141000).................. 37

26. Long Trimmer for Looper Thread and Gimp (579-121000)

26.1 Cutting Pressure and Cutting Movement of the Looper and Gimp Thread Trimmer ....... 38

26.2 Setting the Overlap of the Knife ...................................... 39

26.3 Position of the Looper Thread and Gimp Clamp ............................ 41

27. Short Trimmer for the Looper Thread (579-112000) ........................ 43

28. Thread Catcher

28.1 General .................................................... 44

28.2 Setting..................................................... 45

29. Setting the Toothed Belt Tension

29.1 Toothed Belts for the Sewing Drive .................................... 48

29.2 Toothed Belts for the Rotation of the Sewing Mechanism....................... 49

29.3 Toothed Belts for the Motion of the Cloth Support Plate ....................... 50

30. Alignment of the Needle Bar’s Center of Rotation to the Looper Turret’s Center of Rotation .. 51

31. Needle Bar Guide ............................................. 52

32. Maintenance ................................................ 53

33. Service Menu 579

33.1 Activating the Service Menu ........................................ 54

33.2 Exiting the Service Menu .......................................... 54

33.3 Multitest .................................................... 54

33.4 Menu Structure................................................ 55

33.5 Setting the Language of the Menus.................................... 57

33.6 Setting the Sewing Mode .......................................... 57

33.7 Setting the the Function of the Hand Switch .............................. 58

33.8 Setting the Knife Position ......................................... 58

33.9 Setting the Covering Stitch ........................................ 59

33.10 Setting the Thread Monitor ........................................ 60

33.11 Stitch Condensation ............................................ 61

33.12 Setting the Feed Position.......................................... 62

33.13 Setting the Eye Inclination ......................................... 62

33.14 Total Piece Counter ............................................. 62

33.15 Setting the Times .............................................. 63

33.16 Setting the Subclasses ........................................... 66

33.16.1 Data for one Subclass/Equipment/Cutting Length ........................... 67

33.16.2 Data for several Subclass/Equipment/Cutting Length ........................... 69

33.17 Output Test .................................................. 70

33.18 Input Test ................................................... 71

33.19 Sewing Motor Test.............................................. 72

33.20 Step Motor Test ............................................... 73

33.21 RAM Test ................................................... 74

33.22 EPROM Test ................................................. 74

33.23 Sewing Process Testing Program ..................................... 75

33.24 Step Loss Test ................................................ 76

33.25 Program Data ................................................ 77

33.26 Loading a New Program Version ..................................... 78

34. Error Messages .............................................. 79

35. Troubleshooting .............................................. 81

1. General These Service Instructions describe the settings of the automatic

buttonhole machine in the proper order.

ATTENTION!

Various setting positions are interdependent. It is therefore essential

that the individual settings be conducted while keeping to the order

described.

ATTENTION !

The tasks described in these Service Instructions are only to be

conducted by skilled personnel or by persons appropriately instructed!

Attention Danger of Breakage !

Before starting the sewing unit after disassembly, the setting work

necessary for this must first be conducted as per these Service

Instructions.

Caution Risk of Injury!

Before repair, conversion and maintenance work:

–Turn the main switch off or bring the machine into the “Safe Stop”

position.

Exception:

Setting work which must be conducted with testing or setting

programs.

Adjustment work and function tests with the automatic sewing unit

running.

–Conduct adjustment work and function tests with the automatic

sewing unit running only when observing all safety measures and

with the greatest caution.

1.1 Necessary Program Setting

For setting the automatic buttonhole machine, the following buttonhole

shape must be set at the control panel:

–Buttonhole without bartack

–Covering Stitch = 0

–No cutting space

(See Operating Instructions)

56 7

2. Setting the Positioning Points

Caution Risk of Injury!

Set the positioning points only in the “Safe Stop” position or with the

machine turned off.

Rule and Control

With the aid of the positioning points, an easy setting of the needle

movement to the looper and spreader movements is possible.

When the arm shaft is in the stake-out position, the cams for the

spreader and looper must also be in the stake-out positions.

The positions are set at the factory so that the standard material can

be sewn with the 579.

If you wish to use other needle sizes, thread strengths or materials,

you may possibly need to set positions which deviate from the

stake-out position.

The positioning pins are to be found in the accessories pack of the

machine and have a diameter of 5 mm.

–Turn the handwheel until the looper support 2 is in the left end

position. The needle bar must then be in the upper dead center in

front of the left needle entry into the material.

–Turn the handwheel until the arm shaft can be staked out with a pin

through the drilled hole 1.

–With another pin, check if the spreader cam (drilled hole 4) and the

looper cam (drilled hole 3) are in the stake-out positions.

–The drilled hole 8 of the covering stitch cam must lie upward.

Caution Risk of Injury!

Set the swing motion only in the “Safe Stop” position or with the

machine turned off.

Correction

–Stake out arm shaft with pin 1.

–Stake out the looper and spreader (drilled hole 4 for the spreader

cam; drilled hole 3 for the looper cam).

–If the positioning points do not fit:

Loosen the screws on the respective cam.

–Turn the looper or spreader cam until the positioning pin 7 catches

in the groove 6 of the respective cam 5.

–Tighten the screws again.

–Loosen screws 9 on the toothed wheel.

–Turn the cam shaft so that the stake-out hole 8 lies upward.

–Tighten screws 9 again.

–Remove the positioning pins.

3. Setting the Upper Dead Center

Caution Risk of Injury!

Set the upper dead center only in the “Safe Stop” position or with the

machine turned off.

Rule and Control

With the aid of of the proximity switch, the automatic buttonhole

machine recognizes if it is at the upper dead center in front of the left

or right needle entry point.

If the needle bar is at the upper dead center for the left needle entry

point, the screw 2 must lie in front of the proximity switch 3.

The clearance between screw 2 on the set collar and proximity switch

3 may be a max. of 0.5 mm.

Insert the positioning pin for the arm shaft in the appropriate drilled

hole (see Chapter 2).

Correction

–Stake out arm shaft.

–Loosen screw 1.

–Turn the collar on the shaft.

–Tighten screw 1.

–Loosen screws 4.

–Move proximity switch 3 so that the clearance between screw 2

and proximity switch 3 is a max. of 0.5 mm.

–Tighten screws 4.

–Remove the positioning pin.

4. Setting of the Upper Dead Center for the Sewing Drive

Caution Risk of Injury!

Set the switching segment only in the “Safe Stop” position or with the

machine turned off.

With the aid of the switching segment 2, the automatic buttonhole

machine recognizes that the needle bar is at the upper dead center

before start of the sewing cycle.

Rule and Control

When the needle bar is at the upper dead center in front of the left

needle entry point, the switching segment must be set so that the

switch 3 is activated and switch 1 deactivated. This is the case when

the switch 1 is positioned to the switching segment 2 as in the

illustration above right.

The clearance between proximity switch 1 and switching segment 2

may be a max. of 0.5 mm.

–Turn the sewing machine off.

–Turn the sewing machine on again. At the display of the

Dürkopp-Adler logo, press the F key.

After a brief period, a code prompt appears.

–Enter code “25483”and confirm with the OK key.

–Select the “Multitest” function and confirm with the OK key.

–Select the “Input Test” function and confirm with the OK key.

–Select the switch 3 (S08) with the arrow keys.

–Turn the handwheel in the direction of run.

–When the switch 3 (S08) is activated, the switch 1 must be positioned

to the switching segment 2 as in the illustration above right. The

switch 1 should not be activated. The LED on the switch 1 should not

be lit.

In the display, the symbol for switch 3 changes when the

handwheel is turned.

–To exit the menu, press the “ESC” key.

Correction

–Turn the machine on, the machine runs into the sewing position.

–Turn the Safe Stop on.

–Loosen the screws on the switching segment 3.

–Turn switching segment 3 in the direction of rotation so that the

switch 2 receives contact.

–Turn switching segment 3 back so far that the switch 2 is

deactivated again.

–Tighten the screws on the switching segment 3.

Correction of the clearance of the proximity switch to the disc

–Loosen nut 1.

–Screw proximity switch 2 out or in.

–Tighten nut 1.

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