On the front of the left frame, unscrew the 1.5" hex standoff with 3/16-32 threaded male end. Remove its accompanying washer.

In the middle of the left frame, unscrew this #8-32 spring post, remove its accompanying washer and the part it was holding on.

In the front inside of the left frame, remove this 3/8 nut and the spring post 1/4-28 screw.