3707 - 3907 - 3907 L, M, H - 3907/18 - 3907/18 L, M, H3707/10 - 3707/10 L, M, H - 3907 W - 3907 W L, M, HGBC65 6 01/2015Wet and dry applicationsNote1. The supplied filters and the safety container (if applicable)must be installed correctly.2. If the machine is used to clean up liquids, make sure thatthe liquid level sensor activates and operates in the correctway.ATTENTION DANGER!Comply with the safety regulations governing the materialsfor which the vacuum cleaner is used.ATTENTION DANGER!If the wet cleaner variant is used:– Make sure that the liquid level sensor operatescorrectly before using the vacuum cleaner to clean upliquids.– If foam forms, immediately stop work and empty thecontainer.– Warning: switch off the vacuum cleaner immediately iffoam or liquid leaks out.– Regularly clean the liquid level limiting device andcheck to make sure that there are no signs of damage.– Warning: the dirty liquid collected by the vacuum mustbe considered conductive.Maintenance and repairsATTENTION DANGER!Disconnect the vacuum cleaner from its power sourcebefore cleaning, servicing, replacing parts or converting itto obtain another version/variant.The plug must be removed from the socket.– Only carry out the maintenance work described in thismanual.– Only use original spare parts.– Do not modify the vacuum cleaner in any way.Failure to comply with these instructions could jeopardizeyour safety. Moreover, such action would immediately voidthe CE declaration of conformity issued with the machine.ATTENTION DANGER!Contact the technical assistance service or sales networkfor maintenance operations not described in this manual.