1 Outline1-161.11 Inspection and MaintenanceThis section describes the inspection and maintenance of SERVOPACKs and converters.(1) SERVOPACK or Converter InspectionFor inspection and maintenance of a SERVOPACK or converter, follow the inspection procedures in the fol-lowing table at least once every year. Other routine inspections are not required.(2) Parts Replacement Schedule for a SERVOPACK or ConverterThe following electric or electronic parts are subject to mechanical wear or deterioration over time. To avoidfailure, replace these parts at the frequency indicated.Refer to the standard replacement period in the following table and contact your Yaskawa representative.After an examination of the part in question, we will determine whether the parts should be replaced or not.Item Frequency Procedure CommentsExteriorAt least once a yearCheck for dust, dirt, and oilon the surfaces. Clean with compressed air.Loose ScrewsCheck for loose terminalblock and connectorscrews.Tighten any loose screws.The parameters of any SERVOPACKs overhauled by Yaskawa are reset to the factorysettings before shipping. Be sure to confirm that the parameters are properly set beforestarting operation.Part Standard ReplacementPeriod Operating ConditionsCooling Fan 4 to 5 years• Surrounding Air Temperature: Annual average of30°C• Load Factor: 80% max.• Operation Rate: 20 hours/day max.Smoothing Capacitor 7 to 8 yearsOther Aluminum ElectrolyticCapacitor 5 yearsRelays –Fuses 10 years
