Stroke Height - Duerkopp Adler 550-16-23 Service Instructions Manual

6.4.3

Stroke height

4 3 1
Caution: danger of injury
Turn off the main switch.
The sewing-foot stroke height may only be adjusted with the machine
switched off.
Regulation and inspection
With the adjustment wheel 4 in position "0" the sewing foot must not be
raised. It must reach its maximum stroke height at position "11".
–
Turn the adjustment wheel 4 to positions "0" and "11" and
check the position of the sewing foot.
Adjustment
–
Unscrew and remove the arm cover.
–
Turn the adjustment wheel 4 to position "0".
–
Bring the needle bar to bottom dead centre.
–
Undo locknuts 1 and 2.
–
Move the cable 3 so that the sewing foot is not raised.
–
Retighten locknuts 1 and 2.
–
Turn the adjustment wheel 4 to "2".
The sewing foot must be felt to pulsate slightly when the
hand-wheel is turned.
The maximum pulsation position is set automatically.
3 2 1
3
33