Siemens SIMOTICS FD 1LH1, Operating Instructions & Installation Instructions, Page: 98 / 174

Second shaft extension
If the second shaft extension 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 extension so that it cannot be touched.
Cooling
● Check that the machine cooling is available for commissioning.
Cooling water supply
● The cooling water supply is connected and ready for operation.
● The cooling water supply is switched on. The data can be found on the rating plate.
● Cooling water is available in the configured quality and quantity.
● The water cooling is switched on. The data can be found on the rating plate.
● Cooling water of the configured quality is used.
● The bearing insulation should be implemented as shown on the plates.
Electrical connection
● The grounding and equipotential bonding connections have been made correctly.
● The machine is connected so that it rotates in the direction specified.
● Appropriately configured control and speed monitoring functions ensure that the motor
cannot exceed the permissible speeds specified in the technical data. For this purpose,
compare the data on the rating plate or, if necessary, the system-specific documentation.
● The minimum insulation resistance values are within tolerance.
● Minimum air clearances have been maintained.
● Any supplementary motor monitoring devices and equipment have been correctly
connected and are functioning correctly.
● All brakes and backstops are operating correctly.
● At the monitoring devices, the values for "Warning" and "Shutdown" are set.
Start-up
7.1 Checks to be carried out prior to commissioning
SIMOTICS FD 1LH1
98
Operating Instructions 01/2019