Safety instructionsItem no. 10300017, Revision 10 9 ( 36 )The tool cutting diameter (X) must not be greater than the maximumclamping range (Y).Ü Always clamp the tool so that it is as short as possible.Ü Keep the dimension (Z) small.Ä (Y) See section: Technical Specifications [} 12].4.2 Shutdown of HF spindleThe procedure for shutting down the high frequency spindle for installationand maintenance work is 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.If the HF spindle is being shut down to be cleaned:Ü Reconnect only the sealing air.Tip: Forward the data to the controller.u Use the option on the frequency converter of detecting the shutdownsignal from the shaft and forwarding this to the machine controller forevaluation.4.3 Installation and maintenanceÜ Carry out installation, cleaning, and maintenance work only after shuttingdown the HF spindle and after the shaft has come to a standstill.Ü Install all safety and protective devices of the machine immediately aftercompleting work.4.4 Modification and repairModifications or alterations to the HF spindle are only permitted after priorconsultation with Nakanishi Jaeger GmbH.Only the service partners listed in the “Service and repair [} 31]” section areauthorized to open and repair the HF spindle.Only approved accessories have been tested for operational safety and func-tionality.4.5 Improper operationThe high frequency spindle is only safe to operate for its designated use.Ü Observe the safety instructions in all sections of the manual to preventhazards to persons, the environment, the machine, or the HF spindle itself.Failure to observe the safety instructions may invalidate any warranty claimsand compensation claims for damages.