Engine 2014: Engineering Safety

1. A operate the control heads mounted on the main pilot cylinders
2. B close all three-way valve levers that are in the detecting  position with the exception of the valve(s) to the involved space
3. C open the three-way valve whose number (on the handle) corresponds with the line index chart number for the space on fire
4. D lock the smoke detector indicator on the monitoring line, which automatically activates the CO2 extinguishing system

Tip: press A-D to answer