Radio Alpha Products Inc. ® Alpha 99
33
Preventive Maintenance
The amplifier interior, particularly high voltage areas, should be cleaned with a vacuum
cleaner and a soft bristle brush frequently enough to prevent visible accumulation of
dust. In extremely dusty conditions it may be advisable to secure a thin air filter of the
type used for window air conditioners across the air intake on the rear panel. The
ALPHA accessory cooling fan also should be installed to insure adequate cooling
airflow.
There are no user-accessible lubrication points in the amplifier. Do not apply oil or
grease to any of the components. The exterior of the ALPHA 99 may be cleaned with
a mild household liquid detergent such as Formula 409 or Fantastik. Do not use
chemical solvents, as these may severely damage the front panel or cabinet finish.
Never use an abrasive cleaner.
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