Greenheck Centrifugal Sidewall Exhaust Fan CW-121

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

Disconnect and secure all electrical power to the fan to the 'off' position

Fasteners and Setscrews Inspection

Check all fasteners and setscrews for tightness

Verify that the wheel rotates freely and is aligned

Was wheel movement detected during shipment?

Adjust wheel and inlet cone overlap by loosening setscrews and moving the wheel to the desired position

Loosen the setscrew holding the bushing and shaft key in place, if present.

Loosen and remove the socket head cap screws fastening the bushing to the hub.

Select the mounting type for socket head cap screws installation

Tighten the socket head cap screws an eighth of a turn at a time, alternating until the hub comes loose from the bushing.

Clean all surfaces of hub and bushing to remove any oil or residue.

Select the mounting style and perform the corresponding actions

Install the two bushing socket head cap screws into the aligned holes by hand until seated against the mating surface.

Inspect and adjust as necessary

Adjust belt tension after the first 24-48 hours of operation

Disconnect all electrical power to the fan and secure to the 'off' position.

Ensure the unit is made non-functional by removing fuses and locking off the disconnect.

Inspect the wheel and housing for oil and dust accumulation.

Clean the wheel evenly to prevent imbalance and vibration.

Clean the housing to ensure smooth operation.

Is the wheel free from oil and dust after cleaning?