7. Mask the cluster of power transformer wires and the area around the 3 lug terminal strip.
8. Replace the top left and right and bottom left sheet metal screws.
9. Remove the two fuse holder caps and fuses., Use a Dremel tool with an aluminum carbide grinding stone attachment (Dremel part 8193) to enlarge the power receptacle chassis hole about 1/8" diameter. Grind around perimeter of hole in a clockwise direction using light to moderate pressure.
Go slowly and test often for fit. The receptacle flange will cover any irregularities from the grinding.