Bernina 570 QE, Руководство пользователя

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Care and Maintenance
168
> Push the release bracket to the left.
> Flap down the fastening bracket along with the black hook race cover.
> Remove the hook.
> Clean the hook race area with a brush and a soft cloth. Never use any sharp instruments.
> 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 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.