Does anyone know the manufacturer of this gear shift/throttle and how to remove it? I've tried unscrewing the neutral knob and removing the handle, but haven't been able to get the cover off. When I've looked from inside the cockpit locker, it appears to have been screwed on from the outside. I'd like to make it less wobbly and see if there is a cable tensioning screw somewhere in the mechanism before resorting to a cable brake to keep the throttle from backing off.

Thanks,(nl)Tricia