Marley Cooling Tower 3861

Ensure mechanical equipment is inoperable during maintenance

Lock out electrical system disconnect switch

Use appropriate ladder adjacent to the tower

Check belt tension every two to three weeks during peak operating season

Wear proper personal protective equipment

Clean the cooling tower thoroughly

Disinfect the cooling tower with biocides

Ensure mechanical equipment is inoperable during maintenance

Lock out electrical system disconnect switch

Use appropriate ladder for upper surface maintenance

Check float valve for proper operation

Check water level for proper setting

Basin and Suction Screen Maintenance

Lubricate the motor according to the manufacturer's instructions.

Remove oil, dust, or scale deposits from the motor.

Clean and lubricate motor at the close of each operating season.

Ensure there is no interference with the free rotation of the fan drive before starting the motor.

Run the motor for three hours to dry out windings and relubricate bearing surfaces.

Ensure bearings are adequately lubricated before returning motor to service at the start of a new operating season.

Bearing Housing Oil Level Check

Check the oil level in the oil cup at shutdown.

Is the oil level in the oil cup adequate?

Fill to the proper level with SAE 30 (ISO 100) weight oil if necessary.

Operate the system until the oil is warm.

Refill with SAE 30 (ISO 100) weight oil.