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3.13
Service and inspection intervals
General
Carry out maintenance work, inspections and revisions at regular intervals in order to be able
to identify faults at an early stage and remove them.
Note
Inspection if there are faults or unusual conditions
Unusual conditions or faults that place undue stress on a three-phase motor - e.g. overload,
short-circuit - can cause consequential damage to the machine.
Immediately perform an inspection when faults or exceptional conditions occur.
Maintenance measures, inspection/maintenance times 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.
NOTICE
Improper maintenance
Service and maintenance must only be performed by properly authorized qualified
personnel.
Only use original SIEMENS parts.
Siemens Service Centers distributed around the globe can maintain and repair the motor. To
do this, contact your local Siemens representative.
● Perform the following maintenance measures as listed in the table.
Table 3- 19
Operation
Daily; if possible, more frequently during opera-
tion.
After approx. 10,000 operating hours, at the
latest after two years
as required - or after 25 000 operating hours
S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
Maintenance measures after operating times or intervals
Operating times and intervals
3.13 Service and inspection intervals
Measure
Monitor and check the motor for unusual noise,
vibrations, and changes.
If oil-lubricated, replace the radial shaft seal rings
Replace the motor bearings
Mechanical properties
65
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