What is the function of the extractor exhaust system in fire apparatus?

The function of the extractor exhaust system in fire apparatus is to remove exhaust while the engine runs. This system is crucial for maintaining air quality and safety within the enclosed space of a fire station or apparatus bay. When the fire apparatus is idling or running for extended periods, the exhaust produced can accumulate and create a hazardous environment. The extractor exhaust system helps to prevent the buildup of harmful gases, such as carbon monoxide and nitrogen oxides, ensuring that the atmosphere remains safe for firefighters and personnel who are present.

By effectively ventilating the exhaust, the extractor system contributes significantly to the health and safety standards expected in stations where firefighters prepare for their response to emergencies. This system is particularly important when multiple vehicles are running simultaneously, as it helps to manage the overall air quality in the bay. The focus on removing exhaust during engine operation underscores the importance of having equipment that prioritizes safety in high-activity environments.