Yaskawa SGDS Sigma III Servo Amplifier - Manual (Page 315)

10 Inspection, Maintenance, and Troubleshooting
10.2.3 SERVOPACK’s Parts Replacement Schedule
10-26
10.2.3 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.
The parameters of any SERVOPACKs overhauled by Yaskawa are reset to the standard settings before
shipping. Be sure to confirm that the parameters are properly set before starting operation.
Table 10.8 Periodical Part Replacement
Part Standard
Replacement
Period
Replacement Method Operating Conditions
Cooling Fan 4 to 5 years Replace with new part. • Ambient Temperature: Annual
average of 30 °C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day
max.
Smoothing Capacitor 7 to 8 years Test. Replace with new part if
necessary.
Relays − Test. Replace if necessary.
Fuses 10 years Replace with new part.
Aluminum
Electrolytic
Capacitor on Circuit
Board 5 years Test. Replace with new circuit
board if necessary.