TM 9-2320-209-34-2-2 g. Replacement. 1. Put sash assembly (1) in place. Put in 18 screws (2). 2. Put blackout panel (3) and guides (4 and 5) in place. 3. Put in eight screws (6) in guides (4 and 5). 4. Close blackout panel (3). NOTE Follow-on Maintenance Action Required: Replace canvas cover. Refer to Cab Cover Removal and Replacement, TM 9-2320-209-10. END OF TASK 17-408