The job of a bowling alley machine SETTER is to install, maintain, and repair bowling alley machines. They are responsible for ensuring that the machines are in proper working order and that they are safe for use. They may also be responsible for setting up the pins and balls for each game. Setters must have a good understanding of the mechanics of the machines and be able to troubleshoot any issues that arise. Additionally, they must be able to work with customers to ensure that their experience is enjoyable.