Greenheck Centrifugal Exhaust Fan G 133

Check for moisture or dirt accumulations on parts

Was the source of moisture or dirt located and eliminated?

Is there any paint deterioration?

Describe the paint condition and any actions taken

Check all fasteners and setscrews for tightness

Ensure the wheel rotates freely and is aligned as shown in Figure 7

Verify wheel position and test run alignment from factory

Realign wheel if movement occurred during shipment

Centering height alignment for G model

Loosen the set screws in the wheel

Move the wheel to the desired position

Check wheel rotation by momentarily energizing the unit

Verify wheel rotation is clockwise as shown in Figure 8

Inspect all components for secure attachment

Adjust and tighten components as necessary

Disconnect and secure all electrical power to the fan

Ensure the unit is made non-functional (fuses removed, disconnect locked off)

Clean the fan wheel evenly to prevent imbalance

Clean the fan housing to ensure smooth operation

Check all fasteners for tightness

Is the fan free from oil and dust accumulation?

Disconnect and secure all electrical power to the fan

Ensure the unit is non-functional (fuses removed, disconnect locked off)

Motor Inspection and Preparation

Are grease fittings provided on the motor?

Inspect motor temperature to ensure it does not exceed 104ºF (40ºC)

Grease the motor according to manufacturer's recommendations

Was the grease replaced after 2,000 hours of running time?