Greenheck Centrifugal Sidewall Exhaust Fan CWB-131

Ensure the fan is in operation before starting lubrication

Wipe grease fittings clean to prevent contamination

Are the bearings equipped with external grease fittings?

Enter the number of lubricant shots applied (1 or 2 recommended)

Enter the hand gun pressure used (maximum 40 psi)

Rotate bearings during lubrication if safe to do so

Lubrication Frequency Assessment

Select the type of service environment

Ensure the use of a good quality lithium base grease, conforming to NLGI Grade 2 consistency

Is the lubrication process completed successfully?

Check for any unusual noise or vibration after lubrication

Describe any issues encountered during lubrication

Disconnect and secure all electrical power to the fan.

Check all fasteners and setscrews for tightness.

Ensure the wheel rotates freely and is aligned.

Is the wheel position correct as per factory settings?

For CWB model, loosen bolts and reposition drive frame if necessary.

Adjust wheel and inlet cone overlap if necessary.

Ensure motor amperage and voltage ratings are checked for compatibility to supply voltage

Route electrical supply through conduit chase between mounting plate and motor compartment

Ensure wiring conforms to local and national codes

Confirm fan is not lifted by the fan hood

Ensure fans are not lifted in a way that bends or distorts fan parts

Verify slings or timbers are not passed through the venturi of fan

Protect fans with special coatings or paints during handling to prevent damage

Check belts for wear and tightness

Are matched belts used on multi-groove pulleys?

Loosen the tensioning device to remove the belt by hand

Ensure belts are not forced on or off during replacement

Adjust belts as per 'Pre-Starting Checks' guidelines