A conveyor system has an endless belt with an upper transport portion sized to support a wheeled structure, and a lower return portion. A support deck is positioned to support the upper transport portion of the endless belt, the support deck includes a lower support deck structure, and wear plates that are supported on the lower support deck structure. The support deck includes alignment aperture pairs. Each alignment aperture pair includes a first alignment aperture through the lower support deck structure, and a second alignment aperture through one of the plurality of wear plates. A belt-rinsing system is provided and includes a plurality of rinsing system outlet bodies, wherein each of the plurality of rinsing system outlet bodies extends into one of the first alignment apertures of the lower support deck structure and into one of the second alignment apertures of one of the plurality of wear plates.