A professional who bends metal fan blades by hand to adjust pitch (angle) of blade, and to align blades for vibrationless tracking. Responsibilities include:

• Places blade assembly on spindle of gauging fixture, and manually rotates blades between set of pin gauges.
• Sights across blade surface and tips of gauge pins, and bends and twists blade into contact with pin ends.
• May use wrench or bending tool to adjust heavy-duty blades and blade carriers.
• May align and adjust pitch of oil-retaining ring at hub of commercial or industrial fan.