Patent ID: 8429903

Claim:
An exhaust treatment system comprising: a body including an inlet for receiving a flow of exhaust, an outlet for exhaust flow to exit, an opening and a receiving mount disposed around the opening; an injector head including a head mount; the receiving mount engaging the head mount of the injector head to mount the fuel injector head over the opening in one of a plurality of positions relative to the body; and the body including an outer surface having a plurality of pads, the pads being positioned at least partially circumferentially around the body for coupling a support bracket to the body in one of a plurality of positions relative to the body, wherein the support bracket is configured to be disconnected from the body and the injector head disconnected from the receiving mount and the body is configured to be rotated about a common axis with the injector head without substantially rotating the injector head before re-coupling the support bracket to the body and the injector head to the receiving mount.