English 5.906-548.0 Rev. 00 (04/12) 5Good service work requires extensive and practice-oriented training as well as well-structured trainingmaterials.Hence we offer regular basic and advanced trainingprogrammes covering the entire product range for allservice engineers.In addition to this, we also prepare service manualsfor important appliances - these can be initially usedas instruction guides and later on as referenceguides.Apart from this, we also regular information aboutproduct enhancements and their servicing.If you should require supplements, have correctionsor questions regarding this document, please ad-dress these citing the following subject to:international-service@de.kaercher.comThe responsible product specialist will take care ofyour issue.Copying and duplication of texts and diagrams aswell as third-party access to this information ispermitted only with the explicit permission of thecompany:Alfred Kärcher GmbH & Co. KGP O Box 160D -71349 Winnendenwww.kaercher.com DangerImmediate danger that can cause severe injury oreven death. WarningPossible hazardous situation that could lead to se-vere injury or even death.CautionPossible hazardous situation that could lead to mildinjury to persons or damage to property. WarningPrior to opening the electric box, all power to the ap-pliance must be shut off (pull mains plug) and it mustbe protected from inadvertent startup.Mobile hot water high pressure cleaner in differentperformance classes for commercial use.– Electrically heated boiler– Water supply with coarse dirt filter and fine filterfrom the boiler– Float valve in the boiler– Built-in calcification protection– Hourmeter built into the control electronics– Crane suspension can be added later– Hose drum cannot be upgraded– Cable remote control cannot be upgraded– SB module cannot be upgraded– HDS-E 8/16-4M 12kW: 17,5 kW– HDS-E 8/16-4M 24kW: 29,5 kW– HDS-E 8/16-4M 36kW: 41,5 kW– Control electronics– Power switch– Two pressure switches– Water temperature regulation with temperaturesensor– Water shortage safeguard– Dry-run protection for pump and heating element– Temperature controller heating element– Dimensioning of cables and contactors as perheating output– Level sensor for system care RM 110/111 andlack of oil– Component tests– Fault monitoring and fault display– 4-pin water and air-cooled electric motor– Motor with winding protection– 3 piston axial pump, piston with ceramic coating– Piston (d=18 mm) without piston shoes– Pump head made of brass– Suction and high pressure valves made of plasticor stainless steel– Swash plate with axial ball bearing– Manometer– Overflow valve with pressure and quantity regula-tion– Working pressure: 165 bar– Water quantity: 710 - 760 l/h– Safety valve1 PrefaceSubject: Fall 1120702 Safety instructions2.1 Hazard levels2.2 General notes on safety3 Technical Features3.1 General3.2 Connection performance of appliance3.3 Electrical/electronics3.4 Drive3.5 High-pressure pump