22ATTENTION!When cleaning units and equipment, note that no cleaning agent may be usedthat has a pH value outside the range 5 - 8!9.1 General information9. RepairsService work may only be performed by the device manufacturer or by personnel trained bythe device manufacturer and authorized LUKAS dealers.Only LUKAS spare parts may be used to replace all components (see spare parts list), asspecial tools and compliance with, assembly instructions, safety aspects and inspections arerequired (see also chapter "Maintenance and Servicing").During assembly, ensure that all components are particularly clean, as dirt candamage the rescue equipment!WARNING / CAUTION / PLEASE NOTE!Protective clothes must be worn when repairs are being carried out, as thedevices may also be pressurized when not in operation.ATTENTION!Because LUKAS rescue devices are designed for highest performance, onlycomponents specified in the spare parts list for the appropriate equipment maybe replaced.Other components in the device may only be replaced if:- You have participated in an appropriate LUKAS service training course.- You have been explicitly granted permission by LUKAS Customer Service(valid LUKAS certificate required!)NOTE:Always register your tool on the LUKAS Hydraulik GmbH internet site. This is theonly way to guarantee extended warranty cover.9.2 Preventive service9.2.1 Care instructionsThe outside of the device should be cleaned with a damp cloth from time to time (not theelectrical contacts in the connection slot, on the battery). In addition, the metal surfacesare to coated with a suitable medium to counteract corrosion (not the electrical contacts inthe connection slot, on the battery).(In case of doubt, contact your authorized LUKAS dealer or LUKAS directly!)