The ornamental design for a gaugewheelarm, as shown and described.
FIG. 1 is a perspective view of a gauge wheel arm showing my new design in use condition;
FIG. 2 is a top-right perspective view thereof;
FIG. 3 is a top-left perspective view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a proximal end view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a distal end view thereof; and,
FIG. 9 is a left view thereof.
The gauge wheel arm in use is mounted to an axle or a hub of a gauge wheel and has a scraper arm mounted thereto to support a scraper proximate an outer rolling surface of the gauge wheel as illustrated in FIG. 1.
The broken line showing of a gauge wheel and scraper arm is included for the purpose of illustrating environmental structure and forms no part of the claimed design.