Inspecting a Boilers Exterior

 After this lesson, you will be able to describe some specific areas to look at, and what to look for when inspecting the exterior of a large watertube boiler. • Describe inspection techniques for the boiler casing • Describe inspection techniques for the steam drum • Describe inspection techniques for safety valves • Describe inspection techniques for downcomers and pumps • Describe inspection techniques around casing stiffeners and intrusions