Dürkopp Adler 878-160722-M, Operating Instructions Manual

Page: 172 / 180

Setup
Operating Instructions 878-M PREMIUM - 06.0 - 11/2021 170
8.15 Sewing test
Conduct a sewing test before starting up the machine. Adjust the
machine to the sewing material requirements.
To do this, read the corresponding sections in the

Instructions
for use
. Read the corresponding chapters in the 
Service in-
structions
in order to make adjustments to the machine if the
sewing results do not conform to the requirements.
Performing a sewing test
1. Insert needle.
2. Wind on the hook thread.
3. Insert the hook thread bobbin.
4. Thread hook thread.
5. Thread needle thread.
6. Set thread tension to material being sewn.
7. Adjust the thread regulator to the material to be sewn.
8. Set top roller pressure to material being sewn.
9. Set top roller stroke to material being sewn.
10. Set stitch length.
11. Transfer the desired quick function from the keypad to the
additional switch.
12. Start sewing test at low speed.
13. Gradually increase sewing speed until working speed is
reached.
WARNING
Risk of injury from needle and moving parts!
Switch off the sewing machine before replacing
the needle, inserting the thread, inserting the
hook thread bobbin, and adjusting the hook
thread tension and the thread regulator.