Greenheck Centrifugal Exhaust Fan GB 071

Ensure safety measures are in place

Gather necessary tools and materials

Check that all the parts are in place

Is the lubrication needed more frequently than annually?

Enter the number of lubricant shots used

Enter the hand gun pressure used

Were the bearings rotated during lubrication?

Record the operation time of the fan in minutes

Inspect belt alignment and tension on GB unit only

Adjust and tighten belt as necessary

Check for moisture or dirt accumulations on parts

Is there any paint deterioration?

Are there signs of rust on machined parts?

Remove original rust preventive coating with petroleum solvent

Belt Inspection and Replacement

Check belts for wear and tightness

Use matched belts for multi-groove pulleys

Loosen tensioning device for belt removal

Adjust belts as per 'Pre-Starting Checks'

Check pulley setscrews and keyways

Ensure fan RPM is not readjusted

Use identical size and type pulleys for replacement

Clean the wheel and housing to remove oil and dust accumulation

Is the wheel balanced after cleaning?

Check all fasteners for tightness

Was the maintenance program followed correctly?