MAINTENANCE Changing the bulb Turn the power off and unplug the unit. The cover over the bulb is removed by loosening the screws on the side of the lamp housing. Move the clamping lever downward and remove the socket assembly with the bulb. Remove the bulb and replace it with a new one. Be sure the assembly is correctly positioned, if not the beam illumination will not be uniform. Put the assemby back in place, move the clamping lever back in position and replace the cover.