– 5 Determining the hardness of tap water:– through the public water supply works,– using a hardness tester (order no.6.768-004) Set the service switch according to thewater hardness in the table.Note: Observe the following when usingsystem care Advance 2 RM 111:– Calcification protection: See table– Pump care and black water protection:Set the service switch to at least setting 3. DangerRisk of explosion! Only refill diesel oil orlight fuel oil. Unsuitable fuels, e.g. petrol,are not to be used.CautionNever operate device with empty fuel tankThe fuel pump will otherwise be destroyed. Refill fuel. Close tank lock. Wipe off spilled fuel.CautionRisk of injury!– Use Kärcher products only.– Under no circumstances fill solvents(petrol, aceton, diluting agent etc.)– Avoid eye and skin contact.– Observe safety and handling instruc-tions by the detergent manufacturer.Kärcher offers an individual cleaningand care appliances program.Your dealer will consult you gladly. Refill detergent.Figure 4 Connect ray tube with hand spray gun Tighten the screw connection of thespray lance finger tight. Insert high pressure nozzle into cover-ing nut Install covering nut and tighten firmly– Appliance without hose drum: Connect the high pressure hose to thehigh pressure connection point of themachine.– Device with hose drum: Connect the high pressure hose to thehand-spray gun.CautionAlways unwind high pressure hose com-pletelyFigure 5Figure 6 Completely roll off the high-pressurehose from the hose drum. Rotate the hose drum until the screwed-on semi bowl is pointing toward the top.Loosen all three screws and remove theloosened semi bowl.Figure 7 Unlatch the fastening clamp for thehigh-pressure hose and pull the hoseout.Adjusting the dosage of the systemcare Advance RM 110/RM 111Water hard-ness (°dH)Scale on the service switch<3 OFF (no dosing)3...7 17...14 214...21 3>21 4Refill fuelRefill detergentInstall the hand-spray gun, the jetpipe, the nozzle and the highpressure hoseInstalling the replacementhigh-pressure hose (applianceswithout hose drum)Installing the replacementhigh-pressure hose (applianceswith hose drum)27EN