2-2 Removing and Mounting Each Part (2) Mounting the Terminal Cover Push down both sides of A and B simultaneously from the upper side of the terminal cover until it clicks into place. 2 Design „ 3G3MX-A2055 to A2075, 3G3MX-A4055 to A4075 (1) Removing the Terminal Block Cover •Press the two A tabs on the terminal block cover toward the direction of the arrow in the figure below, and unlock the front cover to disconnect. • Use the B tabs on the terminal block cover and the fitting part with the main unit housing as supporting points, and lift up the terminal block cover. 2-6