What is an example of a major safety violation during pump operations?

Not setting the parking brake during pump operations represents a significant safety violation. This action creates a risk of the apparatus moving unexpectedly, which can lead to accidents or injuries for personnel or bystanders. Properly securing the vehicle is crucial, particularly in emergency situations where quick and safe access to equipment is necessary. Failing to use the parking brake can also hinder the ability to effectively operate the pump, as well as compromise the stability of the fire engine while in operation.

In contrast, ensuring the pump is well maintained, complying with parking regulations, and checking for proper water supply are all practices that contribute to safe and effective pump operations. These actions help ensure that the equipment functions properly, the fire apparatus is legally parked, and that there is a sufficient water supply for firefighting efforts, further emphasizing the importance of safety during operations.