3.5 Bobbin winder
3.5.1 Adjusting the bobbin winder
Rule and control
The bobbin winder should stop automatically when the thread wound
on the bobbin is about 0.5 mm from the bobbin rim.
The thread must be wound cylindrically.
Caution: Danger of bodily injuries !
Turn off main switch.
Switch of the sewing machine before correcting the bobbin winder.
Correction
1. Smaller changes of the thread amount
–
Adjust the bobbin winder flap 1 by the screw 2.
2. Major changes of the thread quantity
–
Remove the bobbin winder cover.
–
Loosen the screw 6.
–
Turn the cam 7.
In the 
A
 arrow direction: for the smaller thread quantity 
in the 
B
 arrow direction: for the greater thread quantity
–
Tighten the screw 6.
–
Replace the bobbin winder cover.
3.5.2 Cylindrical winding
Caution: Danger of bodily injuries !
Turn off main switch.
Switch off the machine before correcting the bobbin winder.
–
Loosen the screw 5.
–
Shift the tensioner 3 accordingly.
–
Tighten the screw 5.
1
2
3             4
5
6                             7 
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