Bernina 475 QE, User Manual

Page: 109 / 126

Care and maintenance
109
> Remove the hook.
NOTICE
Dust and thread residues inside the machine
Damage to mechanical and electronic components.
> Use a brush or a soft cloth.
> Do not use compressed air spray.
> Clean the hook race with a brush and a soft cloth. Do not use any sharp objects.
> Hold the hook at the pin in the center with two fingers.
> Guide the hook, lower edge first, at an angle from above behind the hook race cover.
> Position the hook with the two lugs on the hook driver meeting the corresponding 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.
> Remove the bobbin case.
> Push the release bracket to the left.
> Fold down the fastening bracket along with the black hook race cover.