Σ-V-Sd Driver - YASKAWA UAK series User Manual

11.1.2 Σ-V-SD Driver
(1) Inspection
For inspections and maintenance of the Σ-V-SD Driver, follow the inspection procedures in the table below at
least once every year.
Item
Exterior
At least once a year
Loose
screws
(2) 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 representative. After an
examination of the part in question, we will determine whether the parts should be replaced or not.
Cooling Fan
Smoothing Capacitor
Relays
Fuses
Aluminum Electrolytic
Capacitor on Circuit Board
Note: If the above operating conditions are not used, replacement may be required sooner than the standard replacement
period. To extend the life of the parts, reduce the ambient temperature. Contact your Yaskawa representative if you
require more-detailed information.
Frequency
Check for dust, dirt, and oil on surfaces.
Check for loose terminal block and con-
nector 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
Part
Replacement Period
4 to 5 years
7 to 8 years
Procedure
• Surrounding Air Temperature: Annual average of
30°C
–
• Load Factor: 80% max.
10 years
• Operation Rate: 20 hours/day max.
5 years
11.1 Inspection and Maintenance
Remedy
Clean with compressed air or cloth.
Tighten any loose screws.
Operating Conditions
1 1
11-3