if you use a lose spray, and keep the coats thin you should be fine for not messing the bracket up, i would totally take it apart and spray every thing non-threaded, then let it dry and put it back. get something weather resistant, and that wont eat the plastic of the bracket.
if you use a lose spray, and keep the coats thin you should be fine for not messing the bracket up, i would totally take it apart and spray every thing non-threaded, then let it dry and put it back. get something weather resistant, and that wont eat the plastic of the bracket.