Periodic Maintenance Of Parts - YASKAWA G7 Series Technical Manual

Periodic Maintenance of Parts

The Drive is configured of many parts, and these parts must be operating properly in order to make full use of
the Drive functions.
Among the electronic components, there are some that require maintenance depending on their usage condi-
tions. In order to keep the Drive operating normally over a long period of time, it is necessary to perform
period inspections and replace parts according to their service life.
Periodic inspection standards vary depending the Drive's installation environment and usage conditions. The
Drive's maintenance periods are noted below. Keep them as reference.
Part
Cooling fan
Smoothing capacitor
Breaker relays
Fuses
Aluminum capacitors on PCBs
Note The standard replacement period is based on the following usage conditions:
Ambient temperature:Yearly average of 30°C
Load factor: 80% max.
Operating rate: 12 hours max. per day
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Table 8.2 Part Replacement Guidelines
Standard Replacement Period
2 to 3 years
5 years
-
10 years
5 years
Maintenance and Inspection
Replacement Method
Replace with new part.
Replace with new part. (Determine need by
inspection.)
Determine need by inspection.
Replace with new part.
Replace with new board. (Determine need by
inspection.)
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