[. . . ] Permitted {isc types: Use only grinding discs which are approved for a speed of at least. Use_only synthetic resin-bonded, fibie+einforced grinding discs which are approved for a peripheral speed of B0 m/sec. [. . . ] This oermits materials to be oround or cut optimally as a result of the constant disc speed. Always disconnect the mains plug from the mains supply before working on the machine!Keep the cooling slots in the motor housing clean and free of obstructions. Should the machine develop a fault despite having been subjected to careful m. Lf the motor is overloaded while working, the machine will stop, and will only The permitted overload is not a certain specified value, but depends on motor temoerature. Restart interlock This protection device prevents uncontrolled restading of the machine after interruption of the power supply, e. Even after the supply cord has been reconnected to the mains supply, the machine can only be restarted by operating the on/off switch intentionally. Seruice indicator The service indicator LED 16 lights up or begins to flicker approximately 8 hours before the automatic cut-out carbon brushes finally switch off the machine. LED 16 will no longer be light up once the automatic cut-out carbon brushes have switched off the machine after this approx. Send tool and/or related parts immediately upon discovery of the defect to the address of the local Hilii marketing organizjtion Or consequential damages, losses or expenses in connection irvitr, or bv reasolr oJ, the _use of, or inability to use the tool for any purpos6. [. . . ] Operati, ng Instructions, all wananty claims bre made within 12 months from the This constitutes Hilti's entire obligation with regard to wananty and supersedes conceming warranties. Alwayvdlsconnect the mains plug from the mains supply before working on the The spindle lockbutton 7 should only be pressed once spindle rotation has stopped. [. . . ]