InstallationItem no. 13502000, Revision 0422 ( 36 )8.4 Setting concentricityThe concentricity of the HF spindle is already set ex-works.1 High Frequency Spindle2 Inner taper of shaft3 Radial adjustment screws (4 x ISO 4026-M5x8)4 Axial clamping screws (6 x ISO 4017-M5x16)5 taper adapter6 MeterIf the concentricity needs to be reset, proceed as follows:Ü Completely disconnect the power supply.Ü Completely disconnect the media supply (air and liquid).Ü Make sure that the shaft of the HF spindle has come to an absolute stand-still.Ü Set the main spindle of the machine tool to no-load operation.Ü Remove all connections from the HF spindle.Ü Unscrew the clamping nut and collet.Ä See section: manual tool changeÜ Clean the inner taper of the shaft.Ü Position the button of the meter at the inner taper of the shaft.Ä Precision 0.001 mm