Inspection And Maintenance - YASKAWA SGM-A3 User Manual

6.1.2 Servopack
For inspection and maintenance of the Servopack, follow the inspection procedures in the
table below at least once every year.
The Servopack contains highly reliable parts and daily inspection is not required. Carry out
the inspections and maintenance in the table below once every year.
Item
Clean unit interior and
circuit boards
Loose screws
Defective parts in unit
or on circuit boards.
Part Replacement Schedule
The following parts are subject to mechanical wear or deterioration over time. To avoid failure,
replace these parts at the frequency indicated.
Part
Smoothing Capacitor
Relays
Fuse
Aluminum Electrolytic
Capacitor on Circuit Board
Note Operating Conditions:
• Ambient Temperature: annual average 30°C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day max.
Frequency Procedure
Yearly Check for dust, dirt, and oil on
the surfaces.
Yearly Check for loose terminal block
and connector screws.
Yearly Check for discoloration, damage
or discontinuities due to heating.
Standard
Replacement Period
7 to 8 years
---
10 years
5 years

6.1 Inspection and Maintenance

Remedy
Clean with
compressed air.
Tighten any loose
screws.
Contact your Yaskawa
representative.
Replacement Method
Replace with new part.
Replace with new parts.
Replace with new part.
Replace with new circuit board.
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