Yaskawa Σ-III Series - Manual (Page 20)

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11 Inspection
This section describes the SERVOPACK basic inspections and part replacement period.
„ SERVOPACK Inspection
For inspections and maintenance of the SERVOPACK, follow the inspection procedures in
the table below at least once every year.
„ SERVOPACK’s Parts Replacement Schedule
The following electric or electronic parts are subject to mechanical wear or deterioration
over time. To avoid failure, replace these parts at the frequency indicated.
Refer to the standard replacement period in the following table, contact your Yaskawa repre-
sentative. After an examination of the part in question, we will determine whether the parts
should be replaced or not.
The parameters of any SERVOPACKs overhauled by Yaskawa are reset to the factory set-
tings before shipping. Be sure to confirm that the parameters are properly set before starting
operation.
Item Frequency Procedure Remedy
Exterior
At least once a year
Check for dust, dirt, and oil on
surfaces. Clean with compressed
air or cloth.
Loose screws
Check for loose terminal block
and connector screws. Tighten any loose
screws.
Part
Standard
Replacement
Period
Operating Conditions
Cooling Fan 4 to 5 years • Surrounding Air Temperature: Annual average
of 30 °C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day max.
Smoothing Capacitor 7 to 8 years
Relays −
Fuses 10 years
Aluminum Electrolytic
Capacitor on Circuit Board
5 years