– 5 Close the hand spray gun. Turn the casing of the nozzle till the de-sired symbol matches the marking. Select round or flat spray using touch-less switching:Turn the spray-pipe that is inclined about45° downward to the left or the right. 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. Fill detergent tank. Set nozzle to "CHEM". Set dosing value for detergent to thedesired concentration.Detergent concentration [%] (for max. flowquantity) Spray the detergent sparingly on thedry surface and allow it to react, but notto dry. Spray off loosened dirt with the high-pressure ray. After operations, dip the filter in clearwater. Turn the dosing valve to thehighest detergent concentration. Startthe appliance and rinse for one minute. Release the lever of the hand-spraygun; the device will switch off. Release again the lever of the hand-spray gun; the device will switch onagain.On opening the hand-spray gun, the devicestarts within the readiness period. The indi-cator lamp glows green.The readiness period is over if the hand-spray gun remains closed for 30 minutes.The indicator lamp blinks green. Set the appliance switch to "0". Wait for a while. Set the appliance switch to "I".Customer Service can switch the device tocontinuous operations.Select spray typeMeaning of the symbolsHigh pressure flat spray(25°) for large dirt areasHigh pressure circular spray(0°) for specially stubborn dirtFlat low pressure spray(CHEM) for operating usingdetergents or cleaning atlow pressure.Operation with detergentPosition of the dos-ing valve1 3 5 7Detergent concen-tration [%](for max. flowquantity)0,5 2,5 5,0 7,0Recommended cleaning methodInterrupting operationOperational readiness periodReset readiness period20 EN