What action should a driver/operator take if the fire apparatus engine fails to start within 30 seconds?

When a fire apparatus engine fails to start within 30 seconds, the proper action is to release the starter switch. This is important because continuous cranking of the starter motor can lead to overheating and potential damage to the starter system. By releasing the switch, the driver/operator allows the starter motor to cool down and prevents unnecessary wear and tear on the electrical system.

Following the release of the starter switch, the driver/operator should then assess the situation further. This may include checking other potential issues such as fuel levels, battery condition, or other mechanical factors before attempting to restart the engine again. This systematic approach helps in troubleshooting and ensures the integrity of the vehicle's starting system.