Mechanical Foot Lift - Duerkopp Adler 271 Service Manual

3.2 Mechanical foot lift

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2
Regulation and inspection
With the sewing foot in contact with the needle plate a small amount of
free movement must be perceptible in the knee lever.
Caution: danger of injury
Turn off the main switch.
The knee lever may only be adjusted with the sewing machine
switched off.
Adjustment
–
Undo nut 4.
–
Adjust the maximum lift with stop screw 3.
–
Retighten nut 4.
–
Undo nut 2.
–
Adjust screw 1.
With the sewing foot in contact with the needle plate a small
amount of free movement must be perceptible in the knee lever.
–
Retighten nut 2.
3
4
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