The ornamental design for an evaporator casing of a bus air-conditioner, substantially as shown and described.
FIG. 1 is a perspective view taken along the front side of the evaporator
case for a bus air-conditioner; and
FIG. 2 is a perspective view similar to FIG. 1 but showing the unadorned
back side of the casing; and
FIG. 3 is a view of the unadorned end of the evaporator casing.
The broken lines of FIGS. 1 and 3 show the adjacent wall structures of the
bus with the evaporator casing as installed in the corners between the
ceiling and side walls of the bus and are shown for illustrative
purposes only.