A professional who repairs compressed-air valves, such as triple-air valves, cutoff valves, and retainer valves, using handtools, power tools, and measuring instruments according to specifications. Respnsibilities include:

• 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.