A professional who tends power press that tests resiliency of spiral springs and that compresses them to specified length. Respnsibilities include:

• Positions spring over mandrel of press table and places metal plate over end of spring.
• Pulls lever that forces plunger of machine against plate to compress spring.
• Measures compressed length of spring, using micrometers, calipers, and gauges.
• Releases press and measures uncompressed length of spring.
• Inserts metal wedge between spring coils and taps spring with mallet to adjust spring to specified length and pitch.