Setting The Machine Head; Arm Shaft Crank - Duerkopp Adler 743-121 Service Instructions Manual

2. Setting the Machine Head

2.1 Arm shaft crank

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The tracing groove of the arm shaft crank and the slot A of the
adjustment ring must be in-line.
Caution Risk of Injury !
Turn main switch off before adjusting.
–
Push the second adjustment pin 1 into the tracing hole and allow
the arm shaft crank tracing groove to lock on.
A pen or a 5 mm drill bit can also be used instead of the second
adjustment pin.
–
Check to see if in this position the adjustment pin 2 can be inserted
into position A (2 grooves visible).
If not, the arm shaft crank must be adjusted on the arm shaft.
Setting the arm shaft
–
Remove the front cover.
–
Loosen the arm shaft crank locking screws and adjust the crank
appropriately.
–
Tighten the locking screws.
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