b. Installation
TM 9-2320-280-20-3
12-50. ARCTIC DEFROSTER DUCTING REPLACEMENT (Contd)
1. Connect left flex duct (2) and right flex duct (4) to diverter housing (6) with two clamps (5).
2. Apply adhesive sealant and connect right flex duct (4) to right defroster nozzle (3).
3. Install panel assembly (7) on A beam (1) with four screws (8).
4. Apply adhesive sealant and connect left flex duct (2) to left defroster nozzle (9).
5. Install retainer (12) and closeout panel (10) on A beam (1) with six screws (11).
6. Secure closeout panel (10) to A beam (1) with three screws (18).
7. Install three clamps (15), cable clamp (16), and closeout panel (10) on A beam (1) with three
washers (14), capscrews (13), washers (14), and nuts (17).
FOLLOW-ON TASKS:
12-74
Install engine access cover (para. 10-15).
Lower and secure hood (TM 9-2320-280-10).