Greenheck Plenum Fan APH-44

Confirm that building supply voltage matches the voltage for which the unit is wired.

Disconnect and lock-out all power switches to fan.

Check all piping and wiring penetrations made by contractors for water tightness.

Check all fasteners, set screws and locking collars for tightness.

Rotate the fan wheel by hand and assure no parts are rubbing.

Check for bearing alignment and lubrication.

Check the V-belt drive for proper alignment and tension.

Check all guarding for secure attachment and non-interference with rotating parts.

Ensure the fan is turned off and locked out before starting lubrication.

Is the shaft rotating during lubrication?

Enter the number of grease shots applied based on bore size

Is clean grease seen purging from the bearing?

Disconnect the electrical supply

Check for wear, tension, alignment, and dirt accumulation on V-belt drives

Are the sheaves free from grooves or wear?

Are all belts being replaced on multiple groove drives?

Loosen belt tension before removing belts

Ensure slack in each belt is on the same side of the drive after replacement

Measure belt deflection halfway between sheave centers (in inches)