See also
Tightening torques for screw and bolt connections (Page169)
Second shaft end
If the second shaft end is not used:
• Carefully secure the feather key to prevent it from being thrown out, and for balancing type
"H" (standard type), ensure its weight is reduced to approximately 60 % of the original value.
• Using covers, carefully secure the unused shaft end so that it cannot be touched.
Risk of losing the IP degree of protection as a result of damaged shaft sealing rings
This can result in death, serious injury, or material damage.
• Replace damaged components immediately.
• Rotate the rotor to ensure that it does not touch the stator.
• Ensure that the bearing insulation is not bridged/jumpered.
• Using the appropriately designed and adjusted control and speed monitoring functions,
ensure that the permissible speeds specied on the rating plate cannot be exceeded.
• Ensure that any supplementary equipment used to monitor the motor is correctly connected
and is functioning.
Electrical connection
• Carefully check the grounding and potential bonding connections.
• Connect the machine corresponding to the specied direction of rotation.
• Using the appropriate open-loop control and speed monitoring functions, carefully ensure
that no higher speeds can be achieved than are permitted and specied in the technical data.
For this purpose, compare the data on the rating plate or, if necessary, the system-specic
documentation.
• Comply with the minimum insulation resistances.
• Comply with the minimum air clearances.
• Correctly connect possibly available machine monitoring devices and equipment - and
carefully ensure that they are functioning correctly.
• Check the correct functioning of the brakes or backstops.
• Set the values for "Alarm" and "Shutdown" at the monitoring devices.
• Carefully ensure that temperature-sensitive parts and components, e.g. cables are not in
contact with the machine enclosure.
Converter operation
• If the motor design requires connection to a specic converter type, carefully check the
supplementary data on the rating plate/supplementary plate.
• Ensure that the converter is correctly parameterized. Depending on the design, you will nd
some parameterization data on the rating plate of the machine. Further information is
provided in the converter documentation. Contact the Service Center (Page12) if required.
Commissioning
7.1Measures before commissioning
1MB..1/2/3/4 - shaft heights 63 ... 355
96 Operating Instructions, 11/2023, A5E52779900A
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