Troubleshoots, repairs and maintains, in accordance with diagrams, sketches, operation manuals, and manufacturers specifications, machinery and mechanical equipment, such as engines, motors, pneumatic tools, conveyor systems, and production machines and equipment. Fabricates, assembles and tests parts as needed, such as various pumps, valves, compressors, and other mechanical system parts using metal fabricating tools, common hand tools, power tools, and welding torches.