Summary Of All Sewing Machine Settings - Duerkopp Adler 609 Service Instructions Manual

11. Summary of all sewing machine settings

No. Subject
Position of needle and
1.
needle hole
Material presser foot
2.
3.
Height of the material
presser foot
4. Timing of the material
presser foot movement
5. Stroke of the material
presser foot
Thread tension
6.
7.
Mechanical opening of the
thread tension
8.
Electromagnetic opening
of the thread tension
9. Needle bar height
Hook settings
10.
11.
Loop stroke
12. Clearance distance
between hook tip and
needle
30
ATTENTION!
The complete adjustment of the special sewing machine should be
conducted in the order given.
Chap. Correct setting
2. The needle penetrates the middle of
the hole.
3.1 At the bottom dead center, there
should be a distance of 0.3 mm
between the material presser foot
and the needle plate.
3.2 The needle penetrates the needle
plate when the material presser foot
is in the bottom dead center
position.
3.3 The maximum stroke is 20 mm.
4.
4.1 The thread tension begins after the
thread lever is located 2 mm after
the UDC. The tension discs should
be closed at UDC.
With open thread tension the
clearance between trigger plate and
trigger pin is 1 mm.
4.2 In its unopened state, the trigger
plate should be positioned so that
they do not press the tension discs
apart from each other.
In its opened state, the trigger plate
should neither jump out of the magnet
guide nor of the tension discs.
5. In the loop stroke position, the hook
point is located in the lower half or
lower third of the needle furrow.
6.
6.1 The loop stroke is 2 mm.
In loop stroke position the hook
point lies at the middle of the
needle.
In loop stroke position the clearance
of the hook point to the needle
furrow is a maximum of 0.1 mm.
Adjustment
Adjust the material
presser bar.
Adjust the cam.
Rotate the crank.
Adjust the cam.
Move the thread
tension bolts
accordingly.
Turn bolts in or out.
Adjust the magnet
position.
Adjust the height of
the needle bar.
Check with gauge and
block.
Slide the hook
sideways.