Siemens 1FK7 Series User Manual

Maintenance
9.1 Inspection and maintenance
Synchronous Motors 1FK7
46 Operating Instructions, 03/2011, 610.40700.40c
9.1.2 Maintenance intervals
General
Careful and regular maintenance, inspections, and overhauls are essential for detecting and
eliminating faults in good time before they can cause any damage.
NOTICE
Inspection if there are faults or unusual conditions
Unusual conditions or faults that represent electrical or mechanical overstressing of the
three-phase motor, such as overload, short circuit, etc. can cause consequential damage to
the machine.
If there are faults or unusual conditions such as overload or short circuit etc. immediately
perform the inspections.
Measures, inspection/maintenance intervals
Operating conditions and characteristics can vary widely. For this reason, only general
maintenance intervals can be specified here.
● Maintenance intervals should, therefore, be scheduled to suit the local conditions
(pollution/dirt, switching frequency, load, etc.).
● Perform the following measures after the operating time or the interval specified in the
following table elapses.
Table 9- 1 Measures after operating times or intervals
Measures Operating tines and intervals
Replace the bearings Note the recommended bearing replacement intervals (see
"Bearing replacement intervals")
Replace the radial shaft sealing
rings
Approximately every 10,000 operating hours with oil lubrication
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Siemens 1FK7 Series Specifications

General

Product type	Synchronous motor
Encoder	Incremental encoder, absolute encoder
Cooling method	Natural cooling, forced-air cooling
Degree of protection	IP64, IP65
Speed range	Up to 9000 rpm
Feedback system	Encoder or resolver