Bernina 475 QE, User Manual

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Care and maintenance
110
> Remove the hook.
NOTICE
Lubricating the hook
Too much oil can pollute the fabric and the thread.
> After lubricating, sew/embroider a test piece first.
> Add one drop of BERNINA oil down into the hook race.
> Add one drop of oil into each of the two oil depots so that the felts are damp, and make sure that the
red-marked surface of the hook sleeve remains free of oil.
> Hold the hook at the pin in the center with two fingers.
> Guide the hook with the lower edge first diagonally from the top to the bottom behind the hook race
cover.
> Position the hook so that the two lugs on the hook driver fit into the corresponding openings on the
hook, and the colored marking on the hook driver is visible in the hole of 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.