Standard Evaporative Cooler Start-up • Reconnect water line at cooler and water supply • Clean cooler pan • Reconnect power at cooler and reinstall drain plug • Turn on water • Verify operation of cooler Pump is making more noise than normal but seems to be operating properly. Cleared calcium build up in the water spider legs and oiled pillow bushings. Tested unit multple times. Left cover on front porch!