Setting Of The Upper Feed; Stroke Of The Upper Feed And The Material Presser Foot - Duerkopp Adler 69-373 Service Instructions Manual

2.4

Setting of the upper feed

2.4.1

Stroke of the upper feed and the material presser foot

1
2
Caution: Danger of injury!
Turn off the main switch.
Check and set the stroke of the upper feed and the material presser
foot only when the sewing machine is switched off.
Rule and control
The stroke of material presser foot and upper feed should be equal.
–
Check the stroke of the upper feed and material presser foot
through turning the handwheel.
In the highest position, both of them should have the same clearance to
the throat plate.
Adjustment
–
Loosen screw 1.
–
Turn the upper feed lever 2 on the shaft.
To the rear = increase the stroke of the upper feed foot
To the front = decrease the stroke of the upper feed foot
–
Tighten the screw 1 again.
Hint
Once the stroke of the upper feed foot is correct, the material presser
foot setting will also be correct.
Both movements are executed by the same cam.
GB
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