Fireplace insert apparatus

In a fireplace insert adapted to be placed within a fireplace opening having a substantially horizontal floor, the insert including a body having a front region, a rear region, a rear wall, lateral side walls, a top panel and a bottom panel, the improvement comprising, a guide mounted upon each body side wall adjacent the rear wall, each guide defining guide surfaces having a vertical orientation, an elongated bracket slidably mounted within said guide supported therein by said guide surfaces, said bracket including an upper region and a lower region, a roller rotatably mounted upon said bracket lower region having an axis substantially perpendicular to the adjacent side wall, the lowermost portion of said rollers extending below the insert body bottom panel, and elongated threaded rod adjustment means interposed between said guide and said bracket substantially parallel to the length of said bracket adjusting the position of said bracket within said guide and the vertical orientation of said roller to the bottom panel, said threaded rod adjustment means comprising a nut mounted upon said guide, a threaded rod threaded within said nut having first and second ends, an abutment defined on said bracket, said rod first end being mechanically connected to said abutment, and torque transmitting means defined on said rod second end, said guide surfaces being obliquely inclined to the vertical wherein said bracket upper region extends toward the insert body top panel and front region, and said rod second end being disposed toward said bracket upper region and body front region for access from said body front region.