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BR 400
2. Care and maintenance
Replacing the brush rollers
Replacing the vacuum lips
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Caution:
Switch off the unit and disconnect the mains plug before cleaning,
servicing or repairing.
Repair work must only be carried out by authorized customer
service centres familiar with the safety regulations.
Do not use a hose or high pressure water spray to clean the unit
(danger of short-circuits or other damage).
• The unit must be thoroughly rinsed with warm clear water at
regular intervals to avoid chemical residues and deposits. It is
also recommended to clean the suction channel and the contai-
ners.
• If the unit is not to be used for prolonged periods all water should
be drained out of the unit, otherwise odours may occur.
• Always check the mains cable, extension cable and hoses for
damage before starting.
Note: The brush rollers should be exchanged for new ones when the
overall height of the bristles has worn down to the same length as the
different-coloured tuft of bristles.
• Remove the side cover by removing the two screws.
• Remove brush roller and insert new one. Reattach the cover.
• Change the second brush roller (symmetrically arranged) as
described.
Caution:
Always install two identical brush rollers (type and degree of wear),
thereby ensuring a uniform cleaning result.
• The vacuum lips on the vacuum bars eventually wear out and
must then be replaced:
– Rotate the side sealing cap by 90°.
– Pull out vacuum lips and push in new vacuum lips (profiled
structure must point upwards).
– Screw the sealing cap back on in the original position.
Note: The service life of the vacuum lips, as well as the wiping effect
on the floor, can be significantly improved by occasionally switching
the lips from the front to the back or vice versa.
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