Beisler 739-23-1 Service Manual - Manual (Page 29)

2.13 Winder
Instruction and inspection
The winder must switch off automatically as soon as the bobbin is filled
up to 0.5 mm from the bobbin edge.
Caution! Risk of injury!
Switch off main switch!
Adjust winder only when the sewing machine is switched off.
1. Minor adjustments of the thread windings
–
Bend bobbin flap 1 accordingly.
2. Major adjustments of the thread windings
–
Remove bobbin cover.
– Loosen screw 3.
– Twist switching cam 2.
In direction of arrow A: less thread windings
In direction of arrow B: more thread windings
– Tighten screw 3.
– Replace bobbin cover.
3-29
3 2 1