The first step was to pressure-wash all the crap off the backing plate so it was cleaner to work on, and inspect. There wasn't enough damage to the backing plate to replace it, or repair. Then I installed the new
BRCA-5 cable, greased all the points where the hardware touches the backing plate, and assembled the brakes.
IF THE IMAGE IS TOO SMALL, click it.
Before mounting a new or old drum or wheel, clean ALL their mounting surfaces as Ford recommends: