STEP ONE: It’s always a good idea to change lamps and the lamp holder with power to the transformer turned off completely. Remove the grid cover by pushing in the two release pins on the side of the fixture.
STEP TWO: Remove the grid cover from the lamp housing.
STEP THREE: The lamp holder is held in place by two rubber O-rings on each side of the housing. Pull lamp housing straight up out of the base.
STEP FOUR: Unscrew the bezel from the lamp base.
STEP FIVE: To replace the lamp remove the two screws holding it in place.