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

Contents

English11Safety inspection/MaintenancecontractYou can arrange with your dealer to have aregular safety inspection carried out or tohave a maintenance contract. Please seekadvice.Before each use Check connecting cable for damage (risk ofgetting an electric shock), have a damagedconnecting cable replaced without delay byauthorised Customer Service personnel oran electrician. Check high-pressure hose for damage(danger of explosion), replace a damagedhigh-pressure hose without delay. Check unit (pump) for any leaks.Three drops per minute are allowable andcan appear on the underside of the unit.Seek the help of Customer Service if leaksare more serious.Every week Check oil level in oil reservoir: if the oil ismilky (water in oil), seek the help of Cus-tomer Service immediately. Clean the fine filter.– Unpressurize unit.– Unscrew the fastening screw of the hoodand remove the hood.– Unscrew the cover with filter.– Clean the filter with clean water or com-pressed air.– Reassemble in the reverse order. Clean the filter at the suction hose for de-tergent.Annually or after 500 operatinghours Change the oil– For oil quantity and type see TechnicalSpecifications.– Undo the fastening screw, remove thehood, unscrew the front oil drain plug onthe motor housing.– Drain oil into a suitable container.– Screw in the oil drain plug.– Fill slowly with fresh oil; air bubbles haveto escape.As and when required Emptying and cleaning the detergent tank– Pull out the screw cap and hose for thedetergent tank.– Place the unit on its rear.– Empty and clean the detergent tank.TroubleshootingDanger!Before any repair work is undertaken,switch the unit off and pull out the power plug.Have electrical components checked and re-paired only by authorised Customer Servicepersonnel.For faults which are not identified in this chap-ter, or when in doubt or when expressly in-structed to do so, consult authorisedCustomer Service personnel.Indicator lightThe indicator light shows the operating status(green) and faults (red).To reset: Switch off the unit switch. Wait a moment. Switch the unit back on again.Operating status display Constant green light:– Unit is operational. 1 x flashing green:– Operational readiness expired after30 minutes.– The unit switched off after 30 minutes ofpermanent operation (safety feature inthe case of a burst high-pressure hose).!