InstallationItem no. 10502017, Revision 04 19 ( 36 )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 Torque supportDANGER: Due to ripped-off cables and lines.When the HF spindle is rotating, power cables and media supply lines maybe ripped off and flung around.If the HF spindle is inserted into the main spindle of the machine tool:u The main spindle of the machine tool must be at a standstill.Sample illustration: TorquesupportMachining forces can lead to impermissible rotations.Ü We recommend using a torque support.Ä Secure the HF spindle in the main spindle against twisting.Ä Only the tool rotates.Ü Because of the different machine tools, the torque support must be de-signed specifically for the machine concerned.Ä Optional accessories (on request).8.2 Installing the short taperNote: Note the maximum weight.When using the HF spindle in the automatic tool changer, the total weight ofthe HF spindle including adapter taper and tool may not exceed the permit-ted maximum weight for the tool changer.u It is essential to note the weight in the "Technical Specifications [} 12]"section.Sample illustration: Short taperadapterÜ Fit a suitable short taper adapter to the HF spindle.Ä Screws: 6 x M6 (pitch circle Ø 76 mm)Ä The screws are not supplied with the HF spindle.Ü Before connecting/disconnecting the media coupling or HF spindle, makesure that all cooling hoses and cooling lines (supply and HF spindle) havebeen blown out.