The ornamental design for a lineweightindicatordial, as shown and described.
FIG. 1 is a front elevation view of the line weight indicator dial showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevation view thereof; and,
FIG. 7 is an isometric view thereof showing the front and bottom.
The broken lines in the figures are for the purpose of illustrating the environment in which the design is associated and form no part of the claimed design.