Maintenance
10.2 Inspection and maintenance
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
84
Operating Instructions, 07/2021, A5E50610821B AB
Maintenance measures, inspection/maintenance intervals
The maintenance intervals depend on the operating conditions.
•
Adapt the maintenance intervals to match the local conditions, such as pollution/dirt,
switching frequency, load, etc.
•
Perform the following maintenance measures as specified in the table.
Table 10- 1 Maintenance measures after operating times or intervals
Operating times and intervals
Measures
When required
Monitor and check the motor for unusual noise,
vibrations, and changes.
When required or after 25000 hours of operation Check the radial shaft sealing ring and replace it
when it's worn out.
When required or after 25000 hours of operation
For motors 1FT2☐03 ... 1FT2☐05:
Replace the motor if needed.
For motors 1FT2☐06 ... 1FT2☐10:
Check the motor bearings and replace them if
needed.
Maintenance and repair of the motor can be performed by authorized Siemens Service
Centers throughout the world.
Contact your personal Siemens contact if you require this service.
10.2.2
Cleaning
WARNING
Electric shock when cleaning due to failing to observe the protection class
When cleaning, especially with high-pressure cleaning equipment, water can enter
energized parts and cause an electric shock.
•
Clean the motor in a manner appropriate for its protection class.
•
Avoid pressurized water on connectors, terminal boxes, and other live parts.
Clean the motor of dust and dirt as required. In this way, you ensure adequate heat
dissipation.
