Bernina 540 - Lubricating the Hook

Appendix
160
> Flap down the fastening bracket along with the black hook race cover.
> Remove the hook.
> Clean the hook race area with the brush; never use a sharp instrument.
> Hold the hook at the pin in the center with two fingers.
> Lead the hook, lower edge ahead, angular top-down behind the hook race cover.
> Position the hook with the two lugs meeting the openings in the hook, the colored mark on the hook
driver should be visible through the hole in the hook.
> Insert the hook.
– The hook is magnetic and therefore fastened to the correct position.
> Close the hook race cover and the fastening bracket until the release bracket engages.
> As a check, turn the handwheel.
> Insert the bobbin case.
Lubricating the hook
CAUTION
Electronically driven components
Risk of injury near the needle and the hook.
> Switch the machine off and disconnect it from the power supply system.
NOTICE
Lubricating the hook
Too much oil can pollute the fabric and the thread.
> After lubricating, sew/embroider a test piece first.
> Remove the bobbin case.
> Push the fastening bracket to the left.
> Flap down the fastening bracket along with the black hook race cover.