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Quattro DC Maintenance
Maintenance
Maintenance Overview
Preventive maintenance is primarily a matter of
routine inspection and cleaning. The most
important maintenance factors are the
following:
Is there sufficient airflow to cool the drive?
Has vibration loosened any connections?
The Drive needs to have sufficient air flow for
long, reliable operation. Accumulated dust and
dirt accumulation can reduce airflow and cause
the heat sinks to overheat. The heat sinks can
be kept clean by brushing, while using a
vacuum cleaner.
Periodically, check air filters on enclosure
doors, clean if dirty and replace as necessary.
Periodically, clean the cooling fans to prevent
dirt buildup. At the same time, check that the
impellers are free and not binding in the
housing.
Periodically, check all mounting and electrical
connections. Any loose hardware should be
tightened.
WARNING
Hazardous voltages may exist in the drive
circuits even with drive circuit breaker in off
position. NEVER attempt preventive
maintenance unless incoming power and
control power is disconnected and locked out.
Also, ensure the DC Bus charge light is out.
Drive Servicing
Remember when servicing the Drive:
Hazardous voltages may exist in the drive
circuits even with drive circuit breaker in off
position.
IMPORTANT
Use extreme caution: Do not touch any circuit
board, the drive, or motor electrical
connections without making sure that the unit
is properly grounded and that no high voltage
is present.
NEVER attempt maintenance unless the
incoming three phase power and control power
is disconnected and locked out.
Also, ensure the DC Bus charge light is out,
verify with a voltmeter that no voltage exists
between the (+) and (-) terminals.
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