Kärcher K 4.450 Manual

Also see for K 4.450: Manual

Contents

English 15This high-pressure cleaner is suited to workwith the KÄRCHER suction hose with back-flow valve (Optional accessory, order no.4.440-238) to draw in surface water, e.g.from water butts or ponds (see specifica-tions for max. suction height). Fill the KÄRCHER suction hose withbackflow valve with water, screw to wa-ter supply and hang into the water butt. Separate the high pressure hose fromthe high pressure connection of the ap-pliance. Switch the appliance on (I/ON) for amax. of 2 minutes and wait until the wa-ter exits the high-pressure connectionwithout bubbles. Turn off the appliance "0/OFF".CautionDry runs lasting longer than two minuteslead to damages to the high pressurepump. If the appliance does not build uppressure within two minutes, switch it offand proceed as instructed in the Chapter"Troubleshooting".Illustration Connect the high pressure hose to thehigh pressure connection of the appli-ance.Illustration Push the spray lance into the triggergun and fasten it by turning it through90°. Completely open the water tap. Insert the mains plug into the socket. Turn on the appliance “I/ON”.Only use equipment for less than15 minutes continual. DangerThe trigger gun is subjected to a recoil forcewhen the water jet is discharged. Makesure that you have a firm footing and arealso holding the trigger gun and spray lancefirmly. Unlock the lever on the trigger gun. Pull on the lever of the trigger gun; thedevice will switch on.Note: Release the lever of the trigger gun;the device will switch off again. High pres-sure remains in the system.Carrying out the most common cleaningtasks. The work pressure can be stageless-ly regulated between "Min" and "Max". Release the lever on the trigger gun. Turn the spray lance to the desired po-sition.Note: Suitable for working with detergent;for this, turn the spray lance to the "Mix" po-sition.For particularly dirty items or areas.– Not suitable for use with detergents.– Suitable for use with detergents.Please use exclusively KÄRCHER deter-gents and care products to carry out the re-spective cleaning task, as these werespecifically developed for your appliance.The use of other detergents and care prod-ucts may lead to premature wear and caninvalidate your warranty claims. Please ob-tain information at your local dealer or re-quest information directly from KÄRCHER.Illustration Fill the detergent solution in the deter-gent tank (observe dosage instructionson the packaging of the detergent).Drawing in water from open reservoirsStart upOperationSpray lance with pressure regulationSpray lance with DirtblasterWashing brushWorking with detergent