Testing electric brakes, Update.
I want to test out the electrical side of our fivers brakes. I read an article giving the max amp draw for four 10 or 12 inch brakes as 11.3 - 13.3. I can use a 20 amp multi tester. My thinking is to...
Forum Discussion
Try this...
With a wheel removed, spin on some lugnuts to protect the threads.
You need a long bar to try and turn the wheel
Activate trailer brakes through the controller
Insert the bar and turn brake drum in direction of forward travel
You should actually hear as well as feel the brake assembly "compound" meaning flex rotate and lock up TIGHT stopping your efforts cold. The flex rotate happens within several inches of circumference rotation of the brake drum.
Compound action must be tight enough to lock that brake drum like it is welded to the axle.
I used a long one inch diameter pipe custom cut to fit inside the wheel wheel. The longer the pipe the better and put some muscle into the effort to turn it. Is the same effort needed to rotate the brake drum in reverse?
Point-by point diagnostics...
With a wheel removed, spin on some lugnuts to protect the threads.
You need a long bar to try and turn the wheel
Activate trailer brakes through the controller
Insert the bar and turn brake drum in direction of forward travel
You should actually hear as well as feel the brake assembly "compound" meaning flex rotate and lock up TIGHT stopping your efforts cold. The flex rotate happens within several inches of circumference rotation of the brake drum.
Compound action must be tight enough to lock that brake drum like it is welded to the axle.
I used a long one inch diameter pipe custom cut to fit inside the wheel wheel. The longer the pipe the better and put some muscle into the effort to turn it. Is the same effort needed to rotate the brake drum in reverse?
Point-by point diagnostics...
