6.1 Inspection and Maintenance3456.1.2 ServopackFor inspection and maintenance of the Servopack, follow the inspection procedures in thetable below at least once every year.The Servopack contains highly reliable parts and daily inspection is not required. Carry outthe inspections and maintenance in the table below once every year.Item Frequency Procedure RemedyClean unit interior andcircuit boardsYearly Check for dust, dirt, and oil onthe surfaces.Clean withcompressed air.Loose screws Yearly Check for loose terminal blockand connector screws.Tighten any loosescrews.Defective parts in unitor on circuit boards.Yearly Check for discoloration, damageor discontinuities due to heating.Contact your Yaskawarepresentative.Part Replacement ScheduleThe following parts are subject to mechanical wear or deterioration over time. To avoid failure,replace these parts at the frequency indicated.Part StandardReplacement PeriodReplacement MethodSmoothing Capacitor 7 to 8 years Test. Replace with new part if necessary.Relays --- Test. Replace if necessary.Fuse 10 years Replace with new part.Note Operating Conditions:• Ambient Temperature: annual average 30°C• Load Factor: 80% max.• Operation Rate: 20 hours/day max.6