How do you change the drive belt on a Dixon 4421?

To change the drive belt on a Dixon 4421 mower, first, ensure the engine is off and disconnect the spark plug for safety. Remove the deck by unbolting it from the frame, then locate the drive belt and carefully detach it from the pulleys. Install the new belt by threading it through the pulleys in the correct configuration, then reassemble the deck and reconnect the spark plug. Always consult the owner’s manual for specific instructions and diagrams related to your model.