Heavy Equipment Mechanic
Repair and maintain big tools like backhoes, fire trucks, and cranes.
Repairs compressed-air valves, such as triple-air valves, cutoff valves, and retainer valves, using handtools, power tools, and measuring instruments according to specifications: Disassembles valves, using power wrench, and cleans parts with gasoline and airhose. Measures parts, such as gaskets, valve seats, pistons, and slides for conformance to federal and company specifications, using gauges. Scrapes, grinds, and polishes metal contacting surfaces to make surfaces airtight, using rasps and emery polishing cloths. Replaces defective parts and reassembles valves.