Repair heli-rotors, landing gear, and flight systems.
Maintains and repairs stationary steam boilers and boiler house auxiliaries, using handtools and portable power tools: Cleans or directs other workers to clean boilers and auxiliary equipment, using scrapers, wire brush and cleaning solvent. Inspects and repairs boiler fittings, such as safety valves, regulators, automatic-control mechanisms, and water columns, and auxiliary machines, such as pumps, draft fans, stokers, and burners. Replaces damaged boiler tubes and plates [BOILERMAKER I]. Repairs or replaces high-pressure piping, using power saw, gas torch, threading die, and welding equipment. May patch boiler insulation with cement. May paint surface of equipment, using brush. May perform water pressure test by pumping water into system to determine location of leaks. May remove and replace defective firebrick, using hammer and chisel. May operate lathe and milling machine to repair or make parts, such as valve stems and pump shafts.