Chicago Blower Corporation Centrifugal Fan D/10A

Check all bearing lubrication frequently

Refer to bearing manufacturer's instructions for lubrication details

Check for excessive vibration due to the following possibilities

Is the vibration level within acceptable limits?

Preventive Maintenance Schedule

Establish a lubrication schedule based on manufacturer instructions

Check all base, hub bearing, pedestal bolts after one month of operation

Lubrication Check and Maintenance

Ensure units have adequate grease

Fill units 100% full if idle for extended periods

Inspect flushed-out lubricant during trial period

Rotate bearings during relubrication if safe

Inspect bearing installations every six months

Investigate any unusual noise or vibration change immediately

Check if bearing is properly locked to the shaft

Ambient and Operating Conditions Check

Record bearing operating temperature

Select the appropriate greasing interval based on conditions

Select the appropriate grease type

Consult with a reputable lubricant supplier if necessary

Check alignment of the drives with a straightedge or string.

Ensure sheave faces are aligned within 1/16 inch.

Adjust centers to take up all slack and ensure belts are fairly taut.

Is the belt tension adjusted to allow depression at mid-point equal to one belt width with normal finger pressure?

Readjust belts after a few days of operation to ensure a slight 'bow' in the slack side.