What should be done monthly according to the maintenance schedule?

• Check the operation of pumps and the condition of the couplings.

• Check cooling tower fan blades for cracks.

• Service motors on compressor and pump.

• Lubricate all fan and motor bearings.

Which maintenance task is performed semi-annually?

• Check the condition of the electrical starters and contactors.

• Check the operation of safety controls, such as low oil-pressure cutout and condenser high-pressure cutout.

• Flush the pumps and sump tank on cooling tower or on evaporative condenser if used.

• Remove corrosion from metal and repaint.

What is included in the annual maintenance tasks?

• Replace worn fan belts.

• Check V-belt tension and alignment.

• Clean the tower sump strainer screen.

• Check the operation and condition of the float valve.

Which task is part of the semi-annual maintenance?

• Check and clean the condenser heat transfer surfaces, if fouled.

• Check the condition of stands, supports, guards, insulation and vibration absorbers on compressor and pump.

• Check the condition of stands, supports, and vibration isolators on cooling towers.

• Drain the condensing system, clean scale or sludge formation, and check piping.

What should be done if algae or scaling is evident in the cooling tower water?

• Treat the water.

• Check the condition of controls and recalibrate, if necessary.

• Clean the condenser heat transfer surfaces.

• Inspect the condition of condensing equipment.