hi, i just started working at the neighborhood bike works, an orginazation to help kids earn bikes. i'm getting trained in the basics of mechanics, an i ran into a problem. i was overhauling my front hub, an as i fasten the wheel back onit sort of stops spinning. i have quick release, and when it isn't tightened it spins perfectly. i had it with absolutly no play an still spinning then it locked up. my boss suggested letting it have a little play, so i re adjusted an the same problem. so what i have right now is a very loose quick release so i can still ride it. any suggestions?