TM 9-2350-247-20-3REPLACE VEHICLE COMPARTMENT HEATER DEFROSTER, HOSES, AND FANS(M548A3) — Continued0432 00INSTALLATION1. Install plenum (1), four washers (2), new lock washers (3), and screws (4) on bulkhead and heater. Have helper assist.2. Install metal hose assembly under plenum (1).3. Install clamp (5) securing plenum sleeve (6) to plenum (1). Tighten clamp.4. Install defroster duct (7), six washers (8), and screws (9) on hull.5. Install defroster fan (10), defroster fan (11), ground lead (12), ground lead (13), six new lock washers (14), and screws(15) on defroster duct (7).6. Install circuit lead 346 (16) on right defroster fan lead (17) and circuit lead 347 (18) on left defroster fan lead (19).0432 00-5
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