Bernina 435 Instruction Manual page 41

Sewing preparation
> Guide the thread upwards and insert into the thread take-up lever (4).
> Guide the thread downwards again (5).
> Guide the thread through the guides (6/7) above the foot.
> Switch the machine on.
> Press the semi-automatic threader lever (8) slightly down, keep pressed and pull the thread to the left
beneath the gray threader hook (9).
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