InstallationItem no. 10403107, Revision 1222 ( 40 )8 InstallationBefore installation:Ü Check the HF spindle for damage and ensure that it is complete.If the HF spindle has been stored for a long period:Ü Carry out all steps in the Commissioning after storage section.8.1 Installing the HF spindleConnect media and cables with aflexible connection.Complete the following steps in sequence to install the HF spindle:Ü Remove the sealing plugs that protect the connections against damageand contamination during transportation.Ü Instead of these sealing plugs, install the appropriate hose fittings.Ü Install the corresponding hoses in the hose fittingsÜ Make sure that the connections are flexible and free of strain.Ü Seal all connections for compressed air axially in relation to the tighteningdirection.Ü Seal all connections for cooling water axially in relation to the tighteningdirection.Ü If the HF spindle is equipped with sealing air:Ä Make sure that no air flow can occur in the bearing area.Ä Always use sealed cable boxes when connecting electrical lines.Ü Mount the HF spindle on the machine.Ü Connect the hoses to the connection of the respective media.Ü Connect the connector of the operating connection lines to the relevantconnection of the HF spindle and to the frequency converter.Ü Lock the connectors.