TM 5-3805-280-10 Safety The CPA safety circuit incorporates 2 emergency stops. One mushroom type push–button is located in the cabin on the remote control panel. Unlock the knob by pulling it up to be in position to restart the engine. Pressing on this button shuts down the engine. wire The second emergency stop is located on the guide rail, and stops the engine when pulling on the wire attached along the guide. To unlock the safety device and be in position to restart the engine, press on the button. WARNING: Take all necessary steps to safely start the engine after emergency stop. 1-26