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The responsibilities of personnel with respect to commissioning, operation, maintenance, and
repair must be clearly specified.
Personnel still undergoing training or instruction may only work on the circular knife grinding
attachment under the permanent supervision of an experienced person!
2.4.5 Machine control system
Only trained and instructed personnel are allowed to turn on and operate the machine.
2.4.6 Safety measures in normal operation
Do not operate the machine in any unsafe manner. Only operate the circular knife grinding
attachment if all safety devices are installed and fully functional.
At least once per shift (or per day), check the circular knife grinding attachment for externally
visible damage and proper functioning of the safety devices.
Immediately report any changes present (including those of the operating behavior) to the
responsible office or person. If necessary, immediately shut down the circular knife grinding
attachment and secure it against restart.
Before you switch on the grinding machine, ensure that no one can be injured by the start-up
of the machine.
In the event of a malfunction, immediately stop the grinding machine and secure it against
restart. Rectify malfunctions immediately.
2.4.7 Hazards due to electrical power sources
Work on electrical systems or operating materials may only be performed by a qualified
electrician, in accordance with electrical regulations.
Defects, such as damaged cables, cable connections, etc. must be immediately rectified by
an authorized specialist.
2.4.8 Particular hazard areas
In the area of the grinding wheel, wet-grinding belt and finned brush, there is a hazard of
pinching and being drawn in, e.g. clothing, fingers and hair. Wear suitable personal protective
equipment.
2.4.9 Servicing (maintenance, repair) and fault rectification
Maintenance work is to be carried out on schedule by trained personnel. Inform operating
personnel before beginning repair work. Designate a supervisor responsible for this.
For all service work, the grinding machine is to be disconnected from the current supply and
secured against accidental restart.
2. Safety
