An electric brake assembly and method are characterized by a brake disk stack (12) and an actuator assembly (11) for applying braking force to the brake disk stack, the actuator assembly including an actuator mounting member (18), and at least one actuator module (27) removably mounted to the actuator mounting member, each actuator module including an electric motor (80) and a ram (26) carried by a respective housing (34), the housing of each actuator module having at least one mounting flange (36) for abutting an axially outwardly facing mounting surface on the actuator mounting member when in a first rotated position within an aperture (42) in the actuator mounting member, and the mounting flange having a configuration for axial passage through the aperture when in a second rotated position, thereby to facilitate easy disassembly of the actuator module from the mounting member. In addition, an electric brake assembly and method are characterized by a brake disk stack (12) having a center axis, and a plurality electro-mechanical actuators (27) for applying braking pressure to the brake disk stack, the actuators being circumferentially arranged around the center axis and each actuator including a housing (34), a linearly movable ram (26), a screw (94) for linearly moving the ram, a nut (90) mounted for rotation in the housing and operatively engaged with the screw such that rotation of the nut effects linear movement of the screw for urging the ram into forceful engagement with the brake disk stack, an electric motor (80) for rotating the nut, and a sleeve (98) telescoped over the ram nut and movable with the screw, for preventing foreign material from entering the actuator.