Quote Originally Posted by serial1313 View Post
It sounds like it might be missing an O-ring that fits around the motor bolt(where the motor meets the machine body). I have never had a motor-bolt that didn't stay in place. Mine always fit nice & snug.
The O-Ring is there, but the lock turn is very, very short. I just saw the video from last year showing the Halo's final design ( http://www.youtube.com/watch?v=Hea0xUh35g0 ) and the machine-bolt turns MUCH more in that video than my unit's bolt does. :/