A professional who operates equipment to test various types of triple air valves for conformance to federal and company safety standards. Respnsibilities include:

• Mounts valve on test frame and connects air supply hoses to valve, using portable power wrench.
• Moves test panel control levers singly or in combination to open or block air passages into different chambers of valve.
• Turns lever to inject air into unblocked chambers, reads gauges to determine specified pressure differentials, and to detect leaks, weak springs, and poor fits.
• Applies soapy water to valve with brush to pinpoint air leaks.
• Replaces defective parts.
• Rejects valves that do not meet specifications.