Sewing Foot Lifting With The Knee Lever - Duerkopp Adler 69-373 Service Instructions Manual

3.2

Sewing foot lifting with the knee lever

Caution: Danger of injury!
Turn off the main switch.
Check and set the height of the sewing feet lifted with the knee lever
only when the sewing machine is switched off.
Rule and control
When both feet lie on the throat plate, there should be a clearance of
1 mm between the lifting lever 3 and the presser plate 2.
A stop limits the sewing foot lift when the knee lever is pressed
completely to the right. In this position the clearance between the
material presser foot 5 and the throat plate should amount 12 mm.
Adjustment
–
Turn the handwheel until both feet lie on the throat plate.
–
Loosen the counter nut (2 pieces) on the adjusting screw 4.
–
Set the adjusting screw 4.
The clearance between the lifting lever 3 and the presser plate 2
should amount 1 mm.
–
Tighten the counter nut (2 pieces) again.
4
–
Lift the material presser feet via the knee lever until stop 1 hits
against the bearing block.
In this position the clearance between the material presser foot 5
and the throat plate should amount 12 mm.
–
Adjust the stop 1 accordingly.
5
1
2
3
GB
15