Kärcher HD 645 Operating Instructions Manual

Also see for HD 645: User manual

Contents

Operating Instructions HD 645 / HD 650 (SX) / HD 658 / HD 690 (SX) English17Unit partsPlease fold out illustration page at the front1 Handgun2 Lever3 Safety switch4 Spray lance5 High-pressure hose6 Handgun support7 Nozzle rest8 Detergent metering valve9 Cap for detergent reservoir10 Detergent reservoir11 Detergent suction-hose with filter12 Fastening screws for unit cover13 Pressure/flow control14 High-pressure outlet15 Water outlet with strainer16 Checkpoint for oil level17 Unit switch18 Hose rest19 Fastening screws for handle20 Cable/hose rest21 Handle22 Nozzle23 Hose reel24 Crank handle25 High-pressure pipelineFor your safetyBefore you use the cleaner for the first time,read these operating instructions and takespecial note of the accompanying booklet“Safety Instructions for High-pressureCleaners” No. 5.951-949.Use of the cleanerUse this cleaner exclusively for– cleaning with high-pressure jet anddetergent (e.g. cleaning of machines,vehicles, buildings, tools)– cleaning with high-pressure jet withoutdetergent (e.g. cleaning facades,terraces, gardening equipment).For stubborn dirt we recommend the dirtblaster as an optional accessory.Safety featuresRelief valve with pressureswitchOn reducing the flow rate with the pressureand flow control, the relief valve opens andpart of the water runs back to the suctionside of the pump.If the lever is released, the pressure switchswitches the pump off. If the lever isretracted, the pressure switch switches thepump on again.Safety valve (only in HD 690/HD 690 SX)The safety valve opens when the maximumallowable operating pressure is exceeded:the water flows back to the suction side ofthe pump.