[. . . ] Operating instructions Vacuum cleaner S 4000 en - US, CA To prevent accidents and machine damage, read these instructions before installation and use. 27 Replacing the "ActiveAirClean" filter and the "Active HEPA" filter . 30 When to change the thread catcher pads of the SBD 450-3 floor tool and upholstery tool . 40 2 IMPORTANT SAFETY INSTRUCTIONS When using an electrical appliance, basic precautions should always be followed, including the following: READ ALL INSTRUCTIONS BEFORE USING THIS APPLIANCE The manufacturer cannot be held responsible for any damage caused by non-compliance of these Important Safety Instructions. WARNINGTo reduce the risk of fire, electric shock or injury: ~ To reduce the risk of electric shock, Before using ~ Check the voltage rating of the vacuum cleaner before connecting the power cord to an electrical outlet. [. . . ] ^ Press the rewind switch briefly and the power cord will rewind automatically. ^ Hold the plug so that it does not whip around when rewinding. Turning the vacuum on and off ^ Press the On/Off switch. 16 Operation Models with radio frequency controls The operating state is shown by the Standby indicator on the vacuum. To turn the vacuum on again: ^ Press the Standby button on the handpiece. ^ Press ­ to turn the vacuum cleaner on at the lowest power level. Every push of a button on the radio handpiece is displayed by the indicator light. The vacuum can still be used if the battery in the radio handpiece is weak or not inserted at all. Do not leave the vacuum in Standby mode, there is a danger of overheating and damage. 17 Operation While vacuuming The vacuum cleaner can also stand on its end for vacuuming stairs, drapes etc. , To prevent static electricity your hand must touch the metal inlay on the underside of the vacuum handpiece. Be certain to continuously touch this inlay when vacuuming fine dust, flour or sawdust as these materials are more likely to create a static discharge. To further prevent static discharge while vacuuming, pull the vacuum along by the hose with one hand while continuing to hold the handpiece in the other hand. Adjusting the suction The symbols on the controls indicate what each setting is suitable for. a b c ( e f curtains, lightweight fabrics upholstery, cushions thick pile carpets, rugs and runners energy-saving, daily use lightly soiled textured carpets textured hard flooring, and intensive cleaning of carpets 18 Operation The controls vary from model to model, and are described as follows. Rotary selector ^ Turn the rotary selector to the desired suction power setting. + / ­ controls Press the controls until the light bar above the desired suction power setting is illuminated. ^ Press the ­ control to select a lower setting. + / ­ at the radio handpiece Press the controls until the desired suction power is shown in the vacuum display on the canister. Every push of a button at the handpiece is displayed by the indicator light. 19 Operation Opening the air inlet valve (not available in models with radio handpiece) The air inlet valve is designed to provide a quick, convenient reduction of suction power, e. g. Opening the air inlet valve reduces the power to the tool being used. 20 Transport and storage Park-System A Park-System has been designed to conveniently park the telescopic wand at the vacuum cleaner during pauses. Insert the lower clip of the floor brush into the slot on the end of the vacuum cleaner from above. Transport and storage ^ For easier transportation and storage ­ stand the vacuum cleaner vertically. ­ insert both clips of the floor brush into the two point holder on the side of the vacuum. ­ insert one part of the telescopic wand into the other (depending on model). 21 Maintenance and care , Turn off the vacuum and unplug it from the outlet before performing any maintenance work. Purchasing new dustbags and filters Replacement dustbags and filters can be purchased from your local Miele Dealer. The Miele filter system consists of three filters which must be replaced from time to time to ensure efficient suction. ­ Dustbag ­ Exhaust filter ­ Dust compartment filter (motor protection) Which dustbags and filters are the right ones? Order original Miele dustbags with the letters F/J/M. Use only Miele dustbags with the Miele quality signet and original Miele filter. This ensures optimum performance of the suction power and also ensures that the bag is used to capacity. The use of non-Miele dustbags could cause damage to the vacuum cleaner and may void the warranty. A "SUPER air clean" exhaust filter and a dust compartment filter are supplied with every box of Miele dustbags. If you wish to purchase exhaust filters or dust compartment filters separately, please quote the model number on the data plate located underneath the appliance. You can replace the exhaust filter supplied with the vacuum cleaner with one of the other types of filters (see "Optional accessories"). 22 Maintenance and care When to change the dustbag Change the dustbag when the colored marker in the airflow indicator fills the display. Checking the airflow indicator Perform this test with the SBD 450-3 floor tool only, since other attachments can affect the function of the airflow indicator. [. . . ] Spare parts are available from your Miele dealer or from Miele. 31 Cleaning and care , Turn off the vacuum and unplug it before performing any maintenance work. Vacuum cleaner and accessories External surfaces of the vacuum cleaner and accessories can be cleaned with a slightly damp cloth or with a cleaner suitable for plastics. , Do not use abrasive, glass or all purpose cleaners!They will damage the surface. Dust compartment The dust compartment can, if necessary, be cleaned using a dry cloth, dusting brush or a second vacuum to suck out any Monitor the change dustbag indicator and inspect all filters regularly. Clean or replace them when necessary according to these Operating Instructions. , Do not submerge the vacuum in water!If moisture gets into the appliance there is the risk of an electric shock. 32 Frequently asked questions Some models have a warning light , which comes on to indicate overheating. [. . . ]