I work in maintenance in a small box factory. There's only 2 of us to take care of all the machinery, the grounds and the 150,000sq.ft. building. Before my coworker and I got there the maintenance team literally did nothing besides sleep at their desks, but since we've been on board production output has been through the roof and downtime has been minimized as well as all of the preventative maintenance getting done. But since there's 2 of us working the same schedule as production we typically can't do much during the day because the machinery is running so we have to work late to take care of a lot of our repairs and PM's. Well this week the production team took that to mean that since we have nothing better to do we can fill in for production while still responding to emergency repairs and our other responsibilities. Today I had enough and before first break I told the production manager I was taking a point and leaving. When he asked why I said this isn't what I signed up for it wasn't outlined in my interview or my job description. Have any other maintenance workers had similar scenarios happen?