13.4 Guide curve, slewing range of the thread pulling knife and roller lever
Standard checking
The guide curve 4 determines the movement sequence of the thread
pulling knife.
The setting of the swung-out thread pulling knife results when the roller
lever 2 touches on the lowest point of the guide curve.
The guide curve 4 may not touch the roller lever 2 during sewing.
Caution Risk of Injury !
Turnthemainswitchoff.
Set the guide curve, swing range of the thread pulling knife and roller
lever only with the sewing machine turned off.
Correction
Position of the guide curve
–
Loosen screws 3 (3 x).
–
Set guide curve 4.
In the thread lever high position the center of hole 7 and the center
of shaft 8 and the roller 6 should lie in a line (A).
–
Tighten screws 3 (3 x) again.
Sw ing range of the thread pulling knife
–
Loosen screw 5.
–
Set magnet anchor 9.
The back of the thread pulling knife 11 should lie flush to the blade
of the counter knife 10 when the magnet anchor 9 is fully extended.
–
Tighten screw 5 again.
Setting of the roller lever
–
Loosen screw 1.
–
Tu rn roller lever 2 on the shaft.
The roller 6 should lie centered to the guide curve.
The clearance of the roller lever 2 to the highest point of the guide
curve should be 0.1 mm when the magnet anchor 9 is fully
extended.
–
Tighten screw 1 again.
55
GB
1
2
3
4
5
6
7
8
9
10 11
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