Maintenance
7.2 Inspection
A5E00215731A AD
56 Siemens AG Operating Instructions 2.02 1PL618
NOTICE
Adapt the inspection to the plant-specific conditions
This list does not claim to be complete.
Further tests also should be carried out in accordance with the additional instruction
manuals (e.g. bearings, cooler, etc.) or in accordance with the particular system-specific
conditions.
[ID: 367.02]
7.2.3 Main service
Inspection interval for major inspection
The main inspection is conducted after approx. 16,000 operating hours or at the latest after 2
operating years.
Conducting the major 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.
– the motor is aligned within the permissible tolerance ranges.
– all of the fixing bolts for the mechanical and electrical connections are tight.
– The winding isolation resistances are sufficiently high.
– cables and insulating parts and components are in a good condition and are not
discolored.
NOTICE
Any inadmissible deviations from these requirements detected during this inspection
must be rectified immediately.
[ID: 368]
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