Originally Posted by 6SPD_soul
You probably got it right, once the engine has been run the pointer will probably no longer be in the window, leading people to think the tension is off. The important thing is that you can turn it over by hand repeatedly and the belt stays about where you initially centered it, and if by chance you left the upper cover off, have a look at the belt now and again to make sure it's not riding too much to one side.
In the future you'd get more responses starting your own thread rather than ressurecting a thread from years ago.
Thank you so much for the response, although is it normal for it to move around like in the video link?, and I apologize for the mistake.