Tool changeItem no. 10205020, Revision 05 27 ( 36 )Example of design: Joining positionExample of design: ClampingpositionÜ Turn the locking ring until the hexagon wrench can be guided axiallythrough the access hole to the hexagon socket of the mounting screw.Ä Width across flats: 3Ü Turn the threaded spindle counterclockwise until you feel it reach the stop.Ü Remove the hexagon wrench.Ü Before inserting the tool mount into the HF spindle, clean the following:Ä Plane surfaces of tool mountÄ Taper of tool mount.Ä Plane surfaces of shaft.Ä Inner taper of shaft.Ü Use the cleaning taper from the service set.Ü Insert the tool taper into the HF spindle.Ä See figure: Joining positionÜ Insert the hexagon wrench into the threaded spindle through the accesshole.Ü Tighten the threaded spindle clockwise with the tightening torque MAmax.Ä MA max: 6 NmÄ See figure: Clamping positionDANGER: Due to flying parts.The hexagon socket wrench may be flung out during operation of the HFspindle due to the high centrifugal forces that occur.u Remove the hexagon socket wrench after the tool change.Ü Turn back the locking ring until the access hole is closed again.The hollow shank taper tool mount is correctly inserted when it lies level onthe end face of the shaft.Ü Follow the steps in reverse to remove the tool mount.Ü When loosening, make sure that you can feel the tool mount leave theshaft.