Drill and rivet two 10-32 plate-nuts to the mount. Used #30 drill bits for the two center holes clecoed the plate-nuts and match drilled with #40 bits. Deburr holes. Cut off approximately 1" from the longest end of the mount and test fited the mount in the mounting bay. Marked the distance between the ribs on the reflector mount for later riveting. Deburr all the edges.
