Foot Height And Lift; Pressure-Bar Height - Duerkopp Adler 271 Service Manual

3. Foot height and lift

3.1 Pressure-bar height

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The maximum sewing-foot lift is 12 mm for machines without a thread
clipper and 7 mm for machines with a thread clipper.
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Regulation and inspection
Class 271/273/275
When the sole of the foot is in contact with the needle plate there
should be a distance of 0.5 mm between the block 1 and the traction
bracket 3.
Class 272/274
When the sole of the foot is in contact with the needle plate there
should be a distance of 0.5 mm between the block 1 and the bush 4.
Caution: danger of injury
Turn off the main switch.
The height of the pressure bar may only be adjusted with the sewing
machine switched off.
Adjustment
–
Remove cover.
–
Undo screw 2.
–
Adjust the pressure-bar height.
The distance should be 0.5 mm as described above.
–
Align the sewing foot so that the needle enters the centre of the
sewing-foot needle hole and retighten screw 2.
–
Replace cover.
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