Inspection And Maintenance - YASKAWA Sigma-V Series User Manual

1.10 Inspection and Maintenance

This section describes the inspection and maintenance of SERVOPACKs and converters.
(1) SERVOPACK or Converter Inspection
For 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.
Item
Exterior
Loose Screws
(2) Parts Replacement Schedule for a SERVOPACK or Converter
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 and contact your Yaskawa representative.
After an examination of the part in question, we will determine whether the parts should be replaced or not.
Part
Cooling Fan
Smoothing Capacitor
Other Aluminum Electrolytic
Capacitor
Relays
Fuses
Frequency
Check for dust, dirt, and oil
on the surfaces.
At least once a year
Check for loose terminal
block and connector
screws.
The parameters of any SERVOPACKs overhauled by Yaskawa are reset to the factory
settings before shipping. Be sure to confirm that the parameters are properly set before
starting operation.
Standard Replacement
Period
4 to 5 years
7 to 8 years
5 years
–
10 years

1.10 Inspection and Maintenance

Procedure Comments
Clean with compressed air.
Tighten any loose screws.
Operating Conditions
• Surrounding Air Temperature: Annual average of
30°C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day max.
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