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
You must reduce slime growth and bacterial contamination to eliminate
Properly used, environmentally approved microbiocide controls system bacteria. Chemical treatments must be regularly monitored by qualified personnel.
The manufacturer strongly recommends use of
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Lubricating Pump Motors and Seals
Some pump motors require greasing; use a high grade ball and roller bearing grease such as Shell Dolium R or Chevron SR1. Motors with regreasable bearings are shipped with a high quality, wide temperature range grease.
Caution! Pump seals require water for lubrication, so the pumps must never be run dry or be dead headed.
Always fill the tank before attempting to operate the pumps. Seal failures usually result from running the pump dry.
Maintaining Makeup Valve Assemblies
Periodically inspect the water makeup valve assembly for proper operation. If the valve no longer shuts off completely or reliably, replace it. Make sure that the plastic ball float is buoyant for proper operation.
Pump Tanks | Chapter 5: Maintenance | 18 of 36 |
