SWITCH GP-ROCKER 3168008 - Caterpillar

Emergency shutoff controls are for EMERGENCY use ONLY. DO NOT use emergency shutoff devices or controls for normal stopping procedure.
Ensure that any components for the external system that support the engine operation are secured after the engine is stopped.Emergency Stop Button
Note: An emergency stop button is located on the junction box that is shipped with the engine. Any additional controls for emergency stopping are the responsibility of the locomotive OEM.
Illustration 1 g00393152
Emergency stop button on the junction box
The emergency stop button is in the OUT position for normal engine operation. For an emergency stop, push the emergency stop button. This shuts off the fuel to the engine. This also activates the air shutoff systems, if equipped.
Do not start the engine until the problem necessitating the emergency stop has been located and corrected.
If the engine is equipped with an air shutoff system, both the emergency stop button and the two air shutoffs must be reset before the engine can be restarted.To reset the emergency stop button, turn the button clockwise. The spring-loaded button will return to the OUT position. The button may also be pulled to the OUT position.To reset the air shutoffs, turn the reset knob to the "OPEN" position.Ensure that both of the air shutoffs are reset.