Main Inspection - Siemens SIMOTICS SD Operating Instructions Manual

Maintenance
9.2 Inspection
● The motor foundation must have no indentations or cracks.
Note
Additional checks and tests may be required. Observe the associated supplementary
instructions and special plant/system-specific conditions
Note
Rectify any impermissible deviations immediately.
9.2.4

Main inspection

Inspection interval
Inspect the machine once a year.
Procedure
Check the following points while the motor is operational:
● Maintain the electrical parameters.
● Comply with the permissible bearing temperatures.
● The smooth running characteristics and noise of the three-phase machine must not
deteriorate.
Check the following points while the motor is at a standstill:
● The motor foundation must have no indentations or cracks.
● The three-phase machine must be aligned within the permissible tolerances.
● All of the mounting bolts for the mechanical and electrical connections must be securely
tightened.
● The winding isolation resistances must be sufficiently high.
● Cables and insulating parts and components must be in a good condition and must not be
discolored.
Note
Rectify any impermissible deviations immediately.
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Operating Instructions, 05/2014, 5 610 00000 02 000
Low-voltage motors