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2.14 Synchronizer
3-30
6
5
4
Instruction and inspection
After the thread is cut, the sewing machine should come to a halt in
position C of the adjusting disc.
The distance between the synchronizer 3 and the switching curve 4
must be approx. 0.5 mm to 1.0 mm.
Caution! Risk of injury!
Switch off main switch!
Adjust synchronizer only when the sewing machine is switched off.
Adjustment of settings
–
Loosen counternut 2.
–
Adjust distance between synchronizer 3 and the greatest outside
diameter of the switching curve.
Distance = 0.5 to 1.0 mm
–
Tighten counternut 2.
–
Lock sewing machine in position C of the adjusting disc.
–
Loosen screws 1 and 6.
–
Twist switching curve 5, so that the switching cam 4 is exactly in
line with the synchronizer 3.
–
Tighten screws 1 and 6.
–
Remove lock.
–
Check position after cutting.
3
2
1
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