Power Electronics SD750 Series - Page 84

SD750
POWER ELECTRONICS
82
MAINTENANCE
Inspection
site
Inspection
element
Inspection
Period
Inspection method
Criterion
Instrument of
Measurement
Monthly
1 year
2 years
Cooling
system
Cooling fans
Clean the fans.
o
Uninstall fans and blow the
radiator with compressed air
free of humidity.
This task should be
performed more frequently
depending on the dirt
observed.
Compressed
air.
Filters
Is the filter saturated?
o
Visual check.
No anomaly.
In case filter is saturated,
replace it.
Display
Measurement
Is the displayed value
correct?
o
Check the reading instrument
with an external
measurement.
Check the specified
values and the control
values.
Voltage meter /
Current meter
etc.
Motor
All
Is there any noise or
abnormal vibrations?
o
Audible, sensory and visual
check.
Has any unusual smell
been perceived?
o
Check if damages have been
produced by overheating.
No anomaly.
Note: The life cycle of the main components above indicated are based on a continuous operation for the stipulated load.
These conditions can change according to the environment conditions.