Maintenance
Schedule of Tower Maintenance
Some maintenance procedures may require maintenance personnel to enter the tower. Each cased face of the tower has a door for access to the interior of the tower. All AV Series have a 30″ wide by 42″ high door opening.
The purchaser or owner is responsible for providing a safe method for entering or exiting the access door. Protective clothing to avoid cuts from sheet metal should be worn. Wet sheet metal an/or dirt can be slippery. Nonslip sole shoes should also be worn.
Included with this instruction packet are separate User Manuals on each major operating component of the tower, and it is recommended that you read them thoroughly. Where discrepancies may exist, the separate User Manuals will take precedence.
The following is recommended as a minimum routine of scheduled main- tenance:
Always shut off electrical power to the tower fan motor prior to 
Warningperforming any inspections that may involve physical contact with the mechanical or electrical equipment in or on the tower. Lock out and tag out any electrical switches to prevent others from turning the power back on. Service personnel must wear proper personal
protective clothing and equipment.
Weekly: Inspect for bacterial growth and general operation conditions. Bacterial growth should be reported to your water treatment expert for immediate attention.
Monthly (Weekly at start up): Observe, touch, and listen to the tower. Become accustomed to its normal appearance, sound, and level of vi- bration. Abnormal aspects relating to the rotating equipment should be considered reason to shut down the tower until the problem can be located and corrected. Observe operation of the motor, sheaves, belt, and fan. Become familiar with the normal operating temperature of the motor, as well as the sight and sound of all components as a whole.
Inspect louvers, drift eliminators and basin trash screens and remove any debris or scale which may have accumulated. Replace any damaged
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