2 English 5.906-591.0 Rev. 00 (01/14)ContentsPreface 4Safety instructions 4Hazard levels 4Description in this service manual 5Service groups 5Functional group structure 5Textual description 5Technical Features 6Intended use 6Field of application 6Safety installations 6Lock trigger gun 6Overflow valve with pressure switch 6Type plate 7Overview of the appliance 7Overview appliance components 7Casing 7Pump motor 8Overview over the service and functional groups 9AB Service group casing 10010 Safety information 10General 10020 Overview 10Casing 10040 Service activities 11ABGH Uninstall / install appliance hood 11ABRD Uninstall / install wheels 12ABSB Uninstall / install push handle 12050 Maintenance and inspection 12060 Error diagnosis 12070 Peculiarities/ others 12110 Replacement times 12AD Service group water system 13010 Safety information 13020 Overview 13030 Function 14040 Service activities 14ADAW Uninstall / install outer jacket of water channel 14ADID Uninstall / install injector nozzle 15ADVR Uninstall / install valve for detergent 15050 Maintenance and inspection 16Care 16Storing the device 16060 Error diagnosis 16070 Peculiarities/ others 16110 Replacement times 16AE Service group pump 17010 Safety information 17020 Overview 17030 Function 17040 Service activities 18AEOK Uninstall / install oil seal piston guide 18