DURKOPP ADLER 577 Series Manual page 154

The present service instructions are permitting to set the automatic
sewing unit in the proper sequence.
NOTE
Some settings are interdependent.
Therefore, the respective settings must be made by maintaining the
described sequence.
ATTENTION !
The actions described in the present instructions should be taken
exclusively by the qualified staff and by the properly instructed
persons!
Danger of breakage!
Prior to taking the automatic unit into service following a change of
components proceed first to the necessary setting actions according
to the present service instructions!
Do never start the automatic unit with the driving motor turning in the
wrong direction!
CAUTION: DANGER OF INJURIES !
Turn off main switch before proceeding the setting actions!
Danger of injuries by the sudden machine start owing to an
unintentional operation of the pedal!
Exception:
Setting actions that must be carried out by using checking, setting or
sewing programs.
4