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AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
This section explains maintenance and inspection of the Servomotors and Servo 
Drives.
13-1 Periodic Maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13-2
13-2 Servo Drive Lifetime   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13-3
13-3 Servomotor Lifetime   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13-4
13-4 Method for Broken Ring Maintenance and Inspection  . . . . . . . . . . . . . . .  13-5
Maintenance and Inspection