I don't believe vacbear58 that the wash motor has to be running in order to empty the wash tub. The belt driven pump connected to the spin motor is the same as my Hoover 0519, including the pinch valve between the pump and the wash tub. Opening this pinch valve allows the spin pump to empty the wash tub. But my washer does not have the Y after that valve, the extra hoses, nor the wash motor driven pump, so I'm thinking it is for some sort of recirculation/filtration feature of this model.
unclejohn, can you snap some more pictures of this pump and hoses, and clarify what this extra stuff is for?