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3.2 Position of the Base Plate and the Guide Curve
26
The height of the base plate determines the clearance of the thread
pull knife to the hook.
The position of the guide curve determines the timing of the swinging
in and out of the thread pull knife.
Caution Risk of Injury !
Turn the main switch off.
Set the base plate only with the sewing unit turned off.
Base plate
–
Remove the hook.
–
Loosen screws 3 and 4.
–
Loosen the hex-head bolt 2.
6
–
Place gauge 5 on the shaft.
–
Press the base plate 1 up against the gauge.
7
–
Tighten screws 3 and 4.
–
Tighten the hex-head bolt 2.
Gauge
Order no.: 396 351050
Guide curve
–
Turn the handwheel until the needle 6 lies approx. 2 mm above the
top edge the needle plate 7.
8
–
Loosen the screw.
–
Turn guide curve 8.
The drive segment should touch the guide curve approx. 1 mm
behind the flat part.
–
Align the guide curve axially.
The guide curve should lie centered to the drive segment.
–
Tighten the screw.
1
2
3
4
5
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