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Fiberglass Cooling Towers Chapter 5: Maintenance Page 18 of 25
Chapter 5: Maintenance
5-1 Preventative Maintenance
Water Treatment
Control of slime, algae, and bacteria growth is extremely important. Cooling towers and
reservoir pump tanks are superb environments for microorganism growth. Warm water,
organic debris, and air encourage bacterial growth. Treat your system with chemicals
(microbiocides) to control microorganism growth.
Caution! Uncontrolled microorganism growth causes system problems such as fouling
and corrosion, and can spread bacterially-transmitted diseases.
You must reduce slime growth and bacterial contamination to eliminate disease-causing
bacteria.
Properly used, environmentally approved microbiocide controls system bacteria. Chemical
treatments must be regularly monitored by qualified personnel.
The manufacturer strongly recommends use of EPA-registered microbiocides on a regular
basis. We do NOT recommend use of chlorine or backyard swimming pool chemicals.
Permitting the discharge of such chemicals into a city sewer may violate local, state, and/or
federal laws.
We offer a full-service water treatment program including chemicals, dispensing equipment,
automatic bleed-off, and monthly water analysis. Contact the Parts and Service department
for more information.
Routine Maintenance
• The fan motor has double-sealed bearings and needs no lubrication
• Inspect basket strainers (where used) and clean as needed.
• Check constant bleed back to the tank for flow during operation.
• Check the bleed-off line to verify that water flows to the drain during operation.
• Inspect the tower basin for dirt and debris, and clean as needed.
• Check the tower nozzle(s) for proper operation at full water flow.
• Check the water treatment equipment for proper operation. Refer to the information
supplied with these devices.
• Check the throttling valve pressure gauge. The pressure should be within the
recommendations in section 3-6.