SPX Corporation Centrifugal Fan HP I-9

Ensure all safety guards are properly attached and fully functional

Is the power to the blower turned off and locked-out if any guards are defective?

Inspect accessories for proper function within intended limits and design specifications

Refer to manufacturer's maintenance manuals for correct maintenance procedures

Have all defective parts been repaired or replaced and inspected by authorized personnel?

Inspect blower parts for wear or structural damage

Is there any excessive vibration due to unbalanced wheel?

Clean the blower wheel thoroughly

Inspect other airstream components for wear or structural damage

Clean or replace airstream components if necessary

Select the method for balancing the blower wheel

Ensure motor is turned off and locked out

Gather necessary tools and compatible grease

Identify motors with grease fittings

Replace grease plugs with grease fittings if necessary

Check motor speed and horsepower to determine lubrication frequency

Lubricate motor according to manufacturer's recommendations

Ensure the following conditions are met before lubrication

Is the blower running during lubrication?

Enter the number of grease shots applied

Did a slight bead of grease appear at the bearing seals?

Is the grease type compatible with the existing grease in the bearings?

Check for any signs of over greasing

Are there major differences in vibration readings?

Identify Cause of Vibration Differences

Check for common causes of vibration problems

Describe the identified cause of vibration differences

Was the cause of vibration differences corrected?