– 3 Wind the high pressure hose in uniformlayers on the hose drum by rotating thecrank. Select the rotation direction insuch a way that the high pressure hosedoes not get bent. Danger– Danger of injury by electric shock.– The appliance should always be con-nected to the electrical mains using aplug. It is forbidden to permanently con-nect the appliance to the power supply.The plug is only for mains separation.– The plug and coupling of the extensioncable used must be watertight.– Use the extension cord that has an ad-equate cross-section (see "TechnicalData") and unwind it fully from the cabledrum.For connection values, see type plate/tech-nical data. Unwind the mains cable and place it onthe floor. Insert the mains plug into a socket. WarningObserve regulations of water supplier.According to the applicable regula-tions, the appliance must never beused on the drinking water supplywithout a system separator. Use asuitable system separator manufactured byKÄRCHER; or, as an alternative, a systemseparator as per EN 12729 Type BA. Waterflowing through a system separator is con-sidered non-drinkable.CautionAlways connect the system separator tothe water supply, never directly to the appli-ance!For connection values refer to technicalspecifications Connect the supply hose (max length7.5 m, minimum diameter 1/2“) to thewater connection point of the machineand at the water supply point (for e.g. atap).NoteThe supply hose is not included. Open the water supply. Screw the suction hose with filter (orderno. 4.440-238.0) to the water connec-tion. Appliance ventilation:Unscrew the nozzle from the spraypipe.Switch on the appliance and let it rununtil the water exiting is bubble-free.Let the appliance run for 10 seconds –then switch off the appliance switch.Repeat the procedure several times. Switch off the appliance and fit the noz-zle again. DangerRisk of explosion!Do not spray flammable liquids.If the appliance is used in hazardous areas(e.g. filling stations) all of the safety provi-sions and operating instructions detailed inthis manual must be observed. DangerLong hours of using the appliance cancause circulation problems in the hands onaccount of vibrations.It is not possible to specify a generally validoperation time, since this depends on sev-eral factors:– Proneness to blood circulation deficien-cies (cold, numb fingers).– Low ambient temperature. Wear warmgloves to protect hands.– A firm grip impedes blood circulation.Start upElectrical connectionWater connectionConnection to the water supplyDrawing in water from open reservoirsOperation19EN