Duerkopp Adler 69 Operating Instructions Manual page 31

sewing operation
In mid-seam
interrupt sewing operation
resume sewing operation
sew transverse seam
(with rapid stroke-adjustment
mechanism)
At the end of the seam
remove material
do not raise sewing feet
do not sew ending bar tack
operation / explanation
- release pedal (neutral position)
the machine stops in the needle-down position
the sewing feet are lowered
- press the "F" button (ending bar-tack
suppression)
- move pedal briefly backwards
the machine assumes the needle-up position
- move pedal forwards
the machine sews at the motor speed
set by the pedal
no starting bar tack is sewn
- operate knee switch
the maximum sewing-foot stroke is activated
the operating time depends on what mode the
rapid stroke-adjustment mechanism is set to:
a) switch mode:
- activated until knee switch is operated again
b) key mode:
- activated for as long as knee switch is
operated
- move pedal back and hold it there
the ending bar tack is sewn
the thread is severed
the machine assumes the needle-up position
the sewing feet rise
- move pedal briefly backwards
the ending bar tack is sewn
the thread is severed
the machine assumes the needle-up position
the sewing feet remain lowered
- press the "F" button (ending bar-tack
suppression)
- move pedal back
the ending bar tack is not sewn
the thread is severed
the machine assumes the needle-up position
the position of the sewing feet depends on the
position of the pedal:
a) pedal pressed backwards and held:
- sewing feet raised
b) pedal released (in neutral position):
- sewing feet lowered.
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