Draining my holding tanks

Remove the termination cap outlet, connect the sewer hose (adaptor) to the termination end, place the other end into an approved dump station inlet, open the black (sewer) water termination valve first, once dumping slows down, open the gray water termination valve, once contents are dumped, close termination valves, flush sewer tank with water, open termination valves one at a time until empty, close termination valves, disconnect sewer hose and store, install termination cap, add approved chemical deodorant as per manufacturer’s instructions.