Thread-Guiding Parts; Releasing The Needle Thread Tension - Duerkopp Adler 281 Service Instructions Manual

4.

Thread-guiding parts

4.1 Releasing the needle thread tension

3
2
1
Caution: Risk of injury!
Turn off the main switch!
Check and set the releasing of the needle thread tension only when
the machine is switched off.
Standard checking
Pressing on the axle 3 opens the thread tensioner by approx. 1 mm.
With the thread tensioner closed and with no thread between the
tension discs the axle 3 should have a clearance of approx. 0.3 mm.
Correction
–
Loosen the threaded pin 2.
–
Move the solenoid 1 axially.
Check the following: distance approx. 1.0 mm / clearance 0.3 mm.
–
Fasten the threaded pin 2 again.
GB
19