Signal locomotive engineers to start or stop trains when coupling or uncoupling cars, using hand signals, lanterns, or radio communication.
Pull or push track switches to reroute cars.
Observe signals from other crew members so that work activities can be coordinated.
Inspect couplings, air hoses, journal boxes, and handbrakes to ensure that they are securely fastened and functioning properly.
Raise levers to couple and uncouple cars for makeup and breakup of trains.
Receive oral or written instructions from yardmasters or yard conductors indicating track assignments and cars to be switched.
Climb ladders to tops of cars to set brakes.
Operate and drive locomotives, diesel switch engines, dinkey engines, flatcars, and railcars in train yards and at industrial sites.
Refuel and lubricate engines.
Watch for and relay traffic signals to start and stop cars during shunting.