Technical descriptionItem no. 10502017, Revision 0410 ( 36 )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 [} 32]” 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.5 Technical description5.1 Connections of HF spindle21 3 21 Electrical connection2 Cooling water G 1/8"3 Sealing air G 1/8"