SPX Corporation Centrifugal Fan RBE-9CB

Inspect airstream components for wear or structural damage

Is there any abrasion or corrosion on the blower parts?

Was the blower wheel cleaned properly?

Select the method for balancing the blower wheel

If grinding, was care taken not to grind too much in one area?

Ensure all routine maintenance is completed

Are the new readings within acceptable range compared to initial startup readings?

Identify potential causes of vibration problems

Describe the corrective actions taken if major differences are found

Lock out the power source to the motor and let the wheel come to a complete stop.

Disconnect the inlet and/or discharge duct work from the blower, if necessary.

Remove the inlet side of the blower housing.

Measure and record the location of the blower wheel on the shaft.

Remove the locking hardware in the wheel hub and carefully remove the wheel.

Remove guards and loosen components

Remove the belt(s) and blower sheave.

Ensure motor is turned off and locked out

Gather necessary tools and compatible grease

Identify motors with grease fittings

Are grease fittings installed on the motor?

Replace grease plugs with grease fittings if necessary

Secure blower wheel to prevent wind milling

Consultation for Operating Condition Changes

Are there any changes to the operating conditions (speed, pressure, temperature, etc.)?

If yes, consult Cincinnati Fan or local sales office for safety confirmation

Check that all blower and foundation hardware is tight