Philips FC8778 Manual Del Usuario página 15

4 To clean the side brushes, grab them by the bristles and pull them off
their shafts.
5 Remove fluff, hairs and threads from the shaft and from the side brush
with a soft brush (e.g. a toothbrush) or a cloth.
Tip: If bristles of the side brushes are crooked or bent, soak the side
brushes in warm water for a while. If this does not restore the bristles to
their proper shape, replace the side brushes (see 'Replacing the side
brushes').
6 Check the side brushes and the bottom of the robot for any sharp
objects that could damage your floor.
7 After you have removed the side brushes from their shafts, undo the
snap connections of the TriActive XL nozzle by inserting your fingers at
the places marked with arrows and pull the TriActive nozzle off the robot.
8 Clean the suction opening with a soft brush (e.g. a toothbrush).
9 Remove all visible dirt from the TriActive nozzle.
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