Test water sample for proper concentration of dissolved solids. Adjust bleed water flow as needed.

Measure the water treatment chemical residual in the circulating water. Maintain the residual recommended by your water treatment specialist.

Check the strainer on the bottom of the collection basin and clean it if necessary.

Operate the make-up water float switch manually to ensure proper operation.
Inspect all moving parts such as drive shafts, pulleys,and belts.

Check for excessive vibration in motors, fans, and pumps.

Manually test the vibration limit switch by jarring it.

Look for oil leaks in gear boxes.

Check for structural deterioration, loose connectors, water leaks, and openings in the casing.

During periods of cold weather, check winterization equipment. Make sure any ice accumulation is within acceptable limits.