2-64 CAB AND FRAME Roof Ventilator Align the main unit with the inlet side and re- move it from the stud. Turn it 90 ° and pull it out. Removal 1. Roof ventilator grille (1) Remove the one mounting screw (3) and pull out the clips (2) at 4 positions. N2A0107E Installation For installation, reverse the removal procedure. N2A0105E 2. Roof ventilator mounting nut Remove the nuts at 4 positions. N2A0106E 3. Roof ventilator assembly