Job Description:

• 1) Tends planetary-type, threading-cutting machine that cuts interior and exterior threads in artillery shells, so that fittings, such as fuse caps, can be attached: Turns setscrews to secure position and depth of thread and to adapt compressed-air holding chuck to material.

• 2) Positions shell in machine and tightens chuck.

• 3) Closes switch to activate cutting tools.

• 4) Presses levers to stop cutting tools and release chuck.

• 5) Inspects shells, using fixed gauges.