Lift out the little band aid shaped cover using the tab on the end of it.Then there is some screws to disassemble that bracket. Once the top cover is off the grommet will fit back in to place.Exit. BTW,that comes from lifting the motor up all the way with the cable,the cable pulls against the grommet and pops it out. Unlock the motor with the cable and then lift the head with your other hand. That is a design flaw,IMO.