Duerkopp Adler 559 Operating Instructions Manual page 18

16
Looper thread tension
–
Swivel the machine head up.
–
Adjust the looper thread tension by means of tension 1.
Turn the tension in clockwise direction in order to increase the
looper thread tension.
Turn the tension counter-clockwise in order to reduce the looper
thread tension.
–
Swivel the machine head down.
Caution: Danger of injury !
The looper thread tension must only be adjusted when the machine is
switched off or in the "Threading mode" (see chapter "Threading
mode").
Hint
The length of the starting thread can be adjusted by changing the
thread tension at the start.
1