– 4and at the water supply point (for e.g. atap).Note:The 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 spraylance.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) the correspondingsafety regulations must be observed.Risk of injury! Hold the hand spray gun andthe spray pipe firmly with both hands.Risk of injury! The trigger and safety levermay not be locked during the operation.Risk of injury! Contact Customer Service ifthe safety lever is damaged.Risk of injury from high-pressure water jet.Slide the safety catch on the trigger gun for-ward before performing any work with theappliance. CAUTIONClean engines only at places with corre-sponding oil separators (environmentalsafety). To open the trigger gun: Actuate thesafety lever and trigger. To close the hand spray gun: Releasethe safety lever and trigger.The appliance can be operated in a verticalor horizontal position.Note:The appliance is equipped with a pressureswitch. The motor starts up only when thetrigger gun is open. Device with hose drum:Roll off the high pressure hose totallyfrom the hose drum. Set the appliance switch to "I". Release the trigger gun. To do so, pushthe safety catch towards the back. Open the hand spray gun. Close the hand spray gun. Turn the casing of the nozzle till the de-sired symbol matches the marking. WARNINGUnsuitable detergents can cause damageto the appliance and to the object to becleaned. Use only those detergents thathave been approved by Kärcher. Observethe dosage and other instructions providedwith these detergents. For consideratetreatment of the environment use detergenteconomically.Follow the safety instructions for using de-tergents.Kärcher detergents ensure smooth func-tioning. Please consult us or ask for our cat-alogue or our detergent information sheets. Take out detergent suck hose. Adjust the suction volume of the deter-gent solution at the detergent filter.Drawing in water from open reservoirsOperationOpening/closing the trigger gunHigh pressure operationSelect spray typeHigh pressure circular spray(0°) for specially stubborn dirtFlat low pressure spray(CHEM) for operating using de-tergents or cleaning at lowpressure.High pressure flat spray (25°)for large dirt areasOperation with detergent21EN