The process is essentially the same as manual adjust brakes but is just a bit more challenging because self-adjusting brakes, like the Electric Trailer Brake Assembly # AKEBRK-35L-SA, don't give you any room to work. You would need to lift the metal tab that locks the adjuster sprocket in place with a small screwdriver and turn the adjuster sprocket up if you are looking at from the back of the assembly or downwards if you're looking at it from the front with the hub removed with a brake... view full answer...