Duerkopp Adler 506 Service Instructions Manual page 35

Height of the thread deflector
In the thread lever high position of the unit the thread deflector 3
should move freely past under the needle.
4
–
Place material 4 of the maximum allowable thickness (t = 16 mm)
or a spacer under the clamps.
–
Lower the clamps.
–
Turn the main switch off.
Caution Risk of Injury !
Turn the main switch off.
Check the height of the thread deflector 3 only with the main switch
turned off.
–
Swing the thread deflector 3 manually past under the needle.
The thread deflector 3 should not thereby strike against the needle.
To correct:
–
Loosen clamping screw 2.
–
Adjust the height of the thread deflector 3.
–
Tighten clamping screw 2.
3
35