Overhauling of a machine is defined as a process of general maintenance performed on a machine or other industrial equipment. The goal of overhauling is to keep the system in serviceable condition. Machinery overhaul is usually performed by companies offering maintenance services.
Once the machines have arrived at the factor they would be tested and analyzed. Further, they would be assembled by installing new parts on the basis of analysis. Finally, machines are tested according to the specification & supplied to the clients.