Sewing Test - Dürkopp Adler 767 Installation Instructions Manual

6. Sewing test

1
A sewing test must be carried out following setting-up.
–
Thread upper and lower threads.
–
Select material 1 to be sewn.
–
Switch on sewing machine and set the required functions at the control unit.
The sewing test should be carried out with the "ornamental-seam lock-stitch / sew
at restricted speed" function switched on.
–
First carry out the test slowly, then at a higher speed.
–
Check that the seams conform to requirements.
If not, carry out the adjustments and measures specified in the operating manual.
If necessary carry out the adjustments and measures specified in the service
manual.
14
Look out! Danger of injury!
The upper and lower threads must be threaded with the
sewing machine switched off.