Operating and maintenance instructions
Maintenance
Version 1.0
Page 49 of 56
8.4 Inspection
CAUTION
Danger of injury due to improper work
Observe the following measures for all inspection work:
Observe the safety regulations
Have inspections carried out by qualified personnel only
Do not disassemble the motor
During normal inspections, it is not necessary to disassemble the motor. Disassembly
is usually required for the first time when cleaning or replacing bearings.
8.4.1 Check at standstill
Check all the specified points:
Step
Procedure
1
The alignment of the machine must lie within the permissible tolerances.
2
All screws for mechanical and electrical connections must be firmly
tightened.
3
The insulation resistances of the winding must be sufficient to comply with
IEC 60034.
4
Cables and insulating parts must be in proper condition and must not
show any discolouration.
8.4.2 Check while running
Check all the specified points:
Step
Procedure
1
The specified technical data must be observed, such as power
consumption and temperatures (winding, environment, bearings, cooling
air).
2
There must be no leaks (oil, grease or water).
3
No abnormal bearing running noise must be heard.