English4Safety featuresOverflow valve with pressureswitchOn reducing the flow rate with the pressureand flow control, the relief valve opens andpart of the water runs back to the suction sideof the pump.If the lever of the hand-held spray gun is re-leased, the pressure switch switches thepump off. If the lever is retracted, the pressureswitch switches the pump on again.Safety valveThe safety valve opens when the admissibleoperating excess pressure is exceeded; thewater flows back to the pump suction side.Overflow valve, pressure switch and safetyvalve are present in the factory and aresealed.Adjustments are made only by CustomerService.Protection of theenvironment, disposalPreparing the unit for useUnpack the unit– When unpacking the unit, check the con-tents of the packaging. If there has beenany damage in transit inform the dealer.– Do not dispose of the packaging with thehousehold rubbish, hand it in at the appro-priate collection point for recycling.Check the oil level Read the oil level displayed while unit is ata standstill. The oil level must be above thetwo indicators.Activate the oil reservoir vent Unscrew the fastening screw of the hoodand remove the hood. Cut off the tip on the cover to the oil reservoir. Fasten the unit cover.Mount the accessories Mount nozzle on the spray lance (seemarkings on the top of the setting ring). Fit the spray lance to the hand-held spraygun with pressure and flow control. Screw on high-pressure hose to the high-pressure outlet.Switching on the unitElectrical connectionCaution!The appliance may only be connectedto alternating current. The voltage must corre-spond with the type plate on the appliance.Caution!Use if required an extension cable withsufficient cable cross-section (refer technicaldetails)and always fully unroll the cable fromthe cable drum.The packaging material can be re-cycled. Please do not place the pak-kaging into the ordinary refuse fordisposal, but arrange for the properrecycling.Old appliances contain valuable ma-terials that can be recycled. Pleasearrange for the proper recycling ofold appliances. Batteries, oil, and si-milar substances must not enter theenvironment. Please dispose of yourold appliances using appropriate col-lection systems.