The ornamental design for an ornamental equipment cover, substantially as shown and described.
FIG. 1 is a perspective view of an ornamental equipment cover showing my design; the broken lines showing of environment are for illustrative purposes only and form no part of my claimed design; and,
FIGS. 2-5 are respectively left, front, right, and top elevation views of the version of the cover shown in FIG. 1 in its normal orientation.