The ornamental design for a userinterfaceportion of a hot melt adhesive melter, as shown and described.
FIG. 1 is a front perspective view of the user interface portion of a hot melt adhesive melter, and with broken lines showing environmental structure that does not form any part of the claimed invention.
FIG. 2 is a front perspective of the user interface portion of a hot melt adhesive melter as shown in FIG. 1, but without the broken lines.
FIG. 3 is a front view of the user interface portion of a hot melt adhesive melter.
FIG. 4 is a left side view of the user interface portion of a hot melt adhesive melter, the right side being a mirror image thereof.
FIG. 5 is a rear view of the user interface portion of a hot melt adhesive melter.
FIG. 6 is a top view of the user interface portion of a hot melt adhesive melter; and,
FIG. 7 is a bottom view of the user interface portion of a hot melt adhesive melter.