What occurs if the preload spring is improperly handled during maintenance?

When the preload spring is improperly handled during maintenance, it can indeed pose significant safety risks, primarily causing injury to the technician. Preload springs are designed to exert a considerable amount of force, and improper handling can lead to unexpected release of this tension. Such an event could result in the spring snapping back suddenly or launching, which has the potential to injure anyone in the vicinity.

Technicians must follow strict safety protocols and use the appropriate tools to manage springs effectively, ensuring that they are under control throughout any maintenance procedures. This underscores the importance of understanding the mechanical properties of components like preload springs and the hazards associated with them.

The other options suggest outcomes related to performance, leakage, and corrosion, but the immediate and most critical concern with improper handling is safety and the risk of injury.