Kärcher HD 3.5/30-4S Ea Operating Instructions Manual

Contents

English9Suctioning water from an open container Screw suction hose with filter(Order no. 4.440-238) to the water outlet. Vent the unit before using. To evacuate air from the unit, unscrew thenozzle and leave the unit running until wa-ter exits with no air bubbles. Switch off the unit and screw the nozzleback on.Operating the unitDanger!Observe the relative safety regulationswhen using the unit at filling stations or otherhigh-risk areas.Caution!Only clean engines in places whichhave appropriate oil separators (protection ofthe environment).Caution!Only wash animals with the low-pressure fan jet (see "Selecting the type ofspray").Operating with high pressureThe unit is equipped with a pressure switch.The motor only starts up when the lever is re-tracted. Set the unit switch to "I". The indicator lightwill go green. Unlock the hand-held spray gun and retractthe lever of the gun. Adjust operating pressure and flow rate(+/–) by rotating the pressure/flow control(infinitely variable). At the lowest flow rate the waste heat fromthe motor will heat the water to approx.15 °C.Selecting the type of sprayThe handgun must be closed. Rotate the housing of the nozzle until thedesired symbol corresponds with the mark-ing. Select pencil jet or fan jet by contactlesschangeover:rotate the spray lance, which is pointingdown at an angle of approx. 45°, to the leftor right.Explanation of the symbolsHigh-pressure pencil jet (0°),for particularly stubborn accumu-lation of grime.High-pressure fan jet (25°), fordirt accumulation over a largesurface.Low-pressure fan jet (CHEM)for operation with detergent or forcleaning at low pressure.Operating withdetergentCaution!Unsuitable detergents can harm thecleaner and the object which is to be cleaned.Use only detergents which are released byKärcher. Proportions of detergent to be usedand accompanying instructions should be not-ed carefully. Use detergents sparingly out ofconsideration for the environment.Kärcher cleaning agents guarantee trouble-free operation. Please seek advice or ask forour catalogue of information sheets on clean-ing agents. Fill detergent reservoir. Set nozzle to . Set the detergent metering valve to thedesired concentration.Concentration of detergent when flow atmaximun:!Position of meteringvalve1 3 5 70.5%2.5%5.0%7.0%