Check the overall condition of the unit and listen for any uncommon noises to establish a baseline of any potential issues.

Before beginning any work be sure to follow proper lock out procedures and disconnect motor switches to ensure your safety.

Inspect and clean debris from strainers to keep the system free of excess materials.

Inspect water distribution system and check for dry areas over the fill coil section to avoid scale buildup and increase system capacity. If the surface is not fully wetted check the nozzle for cracks and clogs.

Flush dirt and debris from the cold water basin through the tower drain or sump strainer to maintain water filtration and keep dirt from collecting. Install basin sweeper piping in addition to the filtration system will function as automatic maintenance.

Check the make-up water supply for the appropriate predetermined water level to conserve water and reduce air.

Adjust the bleed rate accordingly for your local water quality and evaporation rate regulations to prevent accumulation of solids.

If applicable, fix any tension problems on the belt to ensure optimal belt drive system performance.

If applicable, check oil level, oil quality, and shaft alignment for a gear drive system following the manufacturers’ recommendations.

Lubricate fan shaft bearings every 3 months at a minimum to maintain proper orientation. Installing BAC’s unique automatic bearing greasers is easy and can eliminate monthly bearing maintenance.