Substances that can be easily ignited and are ammable
Chemical substances required for the setup, operation and maintenance of machines may be
ammable. Burns and other damage to health and material may result.
• Carefully comply with the information in these operating instructions and the product
information supplied by the manufacturer.
• Observe the relevant safety regulations and wear the personal protective equipment
specied.
Risk of explosion if the permissible axial and radial forces are exceeded
• Carefully comply with the permissible values for axial and radial forces (Page31).
• For cylindrical rolling bearings, carefully comply with the minimum radial load levels.
• In operation, comply with the permissible vibration values in accordance with ISO 10816-3.
Risk of explosion as a result of premature bearing failure
• Use insulated bearings if bearing currents occur. Carefully comply with the information in
Chapter Converter operation (Page55)
• Carefully comply with the specied grease change intervals, relubrication intervals and oil
change intervals.
Explosion hazard if the bridging is removed from the insulated bearing
Removing the factory-tted bridging of the insulated bearing leads to potential dierences
between the rotor and the grounded motor. This can cause the generation of sparks, which
especially in an explosive atmosphere can ignite surrounding dust or combustible gases.
Explosions can occur. There is also a risk of an electric shock. Death, serious injury, or material
damage will result.
• Do not open the bridging of the bearing insulation during operation.
Overheating as a result of the anti-condensation heating
If the anti-condensation heating is operated while the machine is operational, this can increase
the temperatures inside the machine and cause material damage.
• Install an interlock circuit that switches o the anti-condensation heating once the main
machine is switched on.
• Only switch on the anti-condensation heating after the motor has been switched o. Comply
with the data stamped on the plate of the anti-condensation heating, if available.
Operation
8.1Safety instructions for operation
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 11/2023, A5E52779900A 105
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