A luminaire includes an adjustable torsion spring assembly for mounting the light engine assembly to a mounting frame and for providing the ability to conduct maintenance of the light engine assembly. The luminaire may include a mounting frame assembly; an light engine assembly engaged with at least a portion of the mounting frame assembly, the light engine assembly comprising at least one light source configured to emit light; and a support wire adjustably-coupled at a first end to a side of the light engine assembly, the support wire extending in the first direction from the side of the light engine assembly, and comprising at least one hook at a second end.