Duerkopp Adler 579 Service Instructions Manual page 65

T15 (Looper thread
trimmer)
Only in case of 579-121000
and 579-141000
Standard:
100 (579-121000)
50 (579-141000)
Setting range: 0-500
T16 (Sewing
mechanism rotation)
Only in case of 579-121000
and 579-141000
Setting range 0-100
Standard: 1
T17 (Sewing start)
Standard: 20
Setting range: 0-100
T18 (Thread tension)
Only in case of 579-121000
and 579-141000
Standard: 100
Setting range: 0-200
T19 (Sewing
mechanism rotation)
Only in case of 579-112000
Standard: 1
Setting range: 0-300
T20 (Idle period)
Standard: 200
Setting range: 0-400
T21 (Cutting a buttonhole)
Only for E-Group E510
Standard: 180
Setting range: 0-500
T22 (Thread catcher)
Standard:20
Setting range 0-100
T23 (Idle period)
Only in case of
579-121000, 579-141000
and 579-151000
Standard: 60
Setting range: 0-150
T24 (Looper thread
trimmer)
Only in case of 579-121000
and 579-141000
Standard: 0
Setting range: 0-100
T25 (Looper thread
trimmer)
Only in case of 579-121000
and 579-141000
Standard: 1
Setting range: 0-100
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- Activation period for the valve Y10 (looper thread trimmer)
- Valve Y10 or Y08 (depending on subclass) is switched back.
- The interval T16 is run through
The sewing mechanism is rotated back into base position.
- The machine is started
- The interval T17 is run through
- The machine starts sewing
Care must be taken that the thread gripper for the needle thread is open and the
material is spread before the machine starts sewing.
Activation period for the valve Y07 (open the looper thread tension and draw
forward the looper thread).
The looper thread is trimmed (valve Y08)
The interval T19 is run through.
The sewing mechanism is rotated back and the cloth support plate is moved.
Care must be taken that the looper thread is trimmed before the sewing
mechanism rotates back.
The cloth clamps open, the cutting block moves upward.
The interval T20 is run through
The reference run starts.
Care must be taken that the cutting block is raised before the cloth support
plate moves. (Important when "Cutting after Sewing" is set)
Valve Y16 (cutting a buttonhole) is switched.
The interval T21 is run through.
Valve Y16 is switched back.
When the interval T21 is set to "0" T21 is the contact time.
The thread gripper of the needle thread catcher is opened
(back seam/valve Y11)
The interval T22 is run through
The needle thread catcher moves to the material.
- End sewing
- The interval T23 is run through.
- Begin of the empty run to looper thread trimming (579-121000 and
579-141000)
- Begin of the empty run to cutting the buttonhole (579-151000)
- The looper thread trimmer is switched back.
- The interval T24 is run through.
- The empty run begins.
Care must be taken that the looper thread trimmer is switched back before
the cloth support plate moves in order to avoid a collision. The collision
danger is particularly great with subclass 579-121000.
The looper thread is trimmed (valve Y10)
The interval T25 is run through.
The looper thread trimmer is switched back (valve Y08).
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