How to clean the filter of the KARCHER AD 4 PREMIUM ash vacuum cleaner?

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Before starting, make sure that the Kärcher AD 4 PREMIUM vacuum cleaner is turned off and unplugged from the electrical outlet. It is recommended to clean the filter cassette after each use to maintain the optimal performance of the device.

Your AD 4 PREMIUM vacuum cleaner is equipped with a filter cassette containing a pleated flat filter that must remain in place in the cassette during normal cleaning. To remove the cassette, press the release button, open the filter cassette, and extract it.

For daily cleaning, first empty the dust and ashes from the filter cassette into a trash can. Then, to clean the pleated flat filter in place in the cassette, simply tap the filter cassette against the edge of a trash can. It is not necessary to remove the filter from the cassette for this routine operation.

If the filter is very dirty and requires a more thorough cleaning, unlock, unclip, and remove the filter cassette, then extract the pleated flat filter and tap it to remove the dust buildup. If needed, you can clean the cassette and the filter with clear water only, without scrubbing or brushing, as these actions could damage the filtering elements.

After cleaning with water, allow the filter cassette and the pleated flat filter to dry completely in the open air before reinstalling them in the device. First, reinstall the dry pleated flat filter in the filter cassette, then place the cassette back in the device, ensuring that it is properly locked.

Important points: always work with the pleated flat filter in place, whether you are using the device for dry or wet vacuuming. A wet filter would compromise the suction efficiency and could damage the device, hence the importance of complete drying. If you notice that the filter is damaged after inspection, replace it with an original Kärcher replacement filter to ensure the performance of your ash vacuum cleaner.

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