8CARE AND MAINTENANCE1. Cleaning the applianceand accessories• If required, wipe down the exterior ofthe appliance with a damp cloth. Donot use any aggressive agents such asscouring powder.• The suction hose and handle can bedismantled for cleaning.• Check the accessories for blockages and,if required, clean. Do NOT use water toclean the floor nozzle.2. Changing the intermediate filter• Under normal conditions of use pleasechange the intermediate filter after at least8 weeks or earlier if required (see page 2,model 5500 overview item number 13).The intermediate filter must be disposed of inthe residual waste.3. Changing the HEPA filterThe HEPA-Plus filter consists of the HEPAfilter and an exhaust air filter. To ensurethat the appliance cleans and functionsoptimally, this filter should be changedafter 15 months. If damaged or very dirty,change earlier.• Remove the HEPA-Plus filter.• Insert a new HEPA-Plus filter, ensuring thatit “clicks” into position.• Attach the cover, ensuring that it “clicks”into position.• Remove the cover.WARNING • Before any care and maintenancework on the machine, unplugthe power cord.IMPORTANT• Do not wash theHEPA-Plus filter!Press in on the left and right hose releaseclips at the same time to dismantle thehose for cleaning.9. Storage of accessories• After use, attach upholstery nozzle andfurniture brush to the accessory holder.• Store the crevice nozzle and the Kärcherfoam stop on the appliance.OPERATING INSTRUCTIONS – continued710. Taking a break• To switch off, press the On/Off button.• If taking a break from work, attach thefloor nozzle to the appliance.• Clean and dry the cover and water filtercontainer.• If the appliance is used regularly, washthe intermediate filter every 2 weeks underrunning water.12. Transporting / Storing• Transport the appliance by thecarrying handle.• To ventilate the water filter container whilethe appliance is in storage, do not insertcontainer fully into the appliance.• Take the water filter container out of theappliance (see: Filling the water filtercontainer).• Remove the cover and air guard.• Empty the water filter container via oneof the corners.11. Shut down for storage• To switch off, press the On/Off button.• Pull the plug out of the power outlet.• Press the cord rewind button. The powercord is automatically wound up.Note: After each use, the water filtercontainer, filter cover and baffle plate mustbe cleaned and dried.CAUTION• All parts of the water filter system,especially the intermediate filter,must be dried thoroughly beforebeing stored!K5500 Vacuum Manual7/24 7/29/02 11:33 AM Page 8