Maintenance
7.2 Inspection
A5E00215731A AD
Siemens AG Operating Instructions 2.02 1PL618
55
7.2 Inspection
7.2.1 General inspection specifications
Instructions relevant to safety
NOTICE
The required regreasing intervals for rolling-contact bearings (optional) are not the same as
the servicing intervals. They must be observed.
Note
When servicing a three-phase motor, you do not generally need to dismantle it. The motor
only has to be dismantled if the bearings are to be replaced.
[ID: 366]
7.2.2 Initial inspection
Inspection interval for initial inspection
The initial inspection once the three-phase motor is assembled and commissioned is, under
normal circumstances, conducted after approx. 500 operating hours, but at the latest after 6
months.
Conducting the initial inspection
● While the motor is running, check that:
– the equipment conforms to the stated electrical characteristics.
– the smooth running characteristics and motor noise during operation have not
deteriorated.
● When the motor has been shut down, check that:
– the motor foundation has no indentations or cracks.
Correct any deviations that are determined in the inspection without delay.
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