Maintenance 7 - 4
Periodic Maintenance of Parts
In order to keep the Drive operating normally over a long period of time, and to prevent down time due to an unexpected
failure, it is necessary to perform periodic inspections and replace parts according to their service life.
The data indicated in the following table is to be used as a general guideline only. Periodic inspection standards vary
depending on the Drive's installation environment conditions and usage. The Drive's suggested maintenance periods are noted
below.
Table 7.4 Part Replacement Guidelines
Part Standard Replacement Period Replacement Method
Cooling fan(s) 2 to 3 years (20,000 hours) Replace with new part.
DC bus capacitors 5 years
Replace with new part.
(Determine need by inspection.)
Soft charge contactor - Determine need by inspection.
DC bus fuse
Control power fuse
10 years Replace with new part.
PCB capacitors 5 years
Replace with new board.
(Determine need by inspection.)
Note: The standard replacement period is based on the following usage conditions:
Ambient temperature:Yearly average of 86°F/ 30°C
Load factor: 80% maximum
Operating time: 12 hours maximum per day
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