Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Analog Voltage and Pulse Train Reference - Manual (Page 42)

1 Outline
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1.7 Inspection and Maintenance
This section describes the inspection and maintenance of SERVOPACK.
(1) SERVOPACK Inspection
For inspection and maintenance of the SERVOPACK, follow the inspection procedures in the following table
at least once every year. Other routine inspections are not required.
(2) 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 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 Comments
Exterior
At least once a year
Check for dust, dirt, and oil
on the surfaces.
Clean with compressed air.
Loose Screws
Check for loose terminal
block and connector
screws.
Tighten any loose 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.
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
Other Aluminum Electrolytic
Capacitor
5 years
Relays –
Fuses 10 years