This document discusses different methods for tensioning belts on small package conveyors, including jack screw tension, rack and pinion tension, tip-up tail tension, and pneumatic or spring tension. It provides details on how each method works and their advantages and disadvantages. Jack screw tension is most common but can cause issues with belt tracking when adjusted. Rack and pinion tension avoids disturbing tracking during adjustments. Pneumatic or spring tension is best for longer or heavier loaded conveyors as it automatically compensates for belt stretch over time.