TM 9-2320-361-20 11-42. PERSONNEL HOT WATER HEATER REPLACEMENT This task covers a. Hoses and Adapters Removal d. Brackets Installation b. Heater Removal e. Heater Installation c. Brackets Removal f. Hoses and Adapters Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS Hood raised and secured (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-47). Fourteen locknuts Two engine coolant heater hoses removed Twelve lockwashers (para. 3-44). REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P NOTE In some installations, fresh air hood, screen, and elbow are mounted on left side panel. a. Hoses and Adapters Removal 1. Loosen two clamps (1) and remove inlet hose (14) from elbow (24) and adapter (17). 2. Loosen two clamps (1) and remove outlet hose (13) from adapters (9) and (12). 3. Remove eight screws (11), lockwashers (10), and adapter (12) from heater (4). Discard lock- washers (10). 4. Remove four screws (15), lockwashers (16), and adapter (17) from heater (4). Discard lockwashers (16). 5. Remove three locknuts (2), elbow (24), screen (23), hood (20), and three screws (19) from hood side panel (21). Discard locknuts (2). b. Heater Removal 1. Disconnect electrical plugs (5). 2. Remove screw (7), clamp (6), and wire (8) from heater (4). 3. Remove four locknuts (18), heater (4), and screws (3) from bracket (22). Discard locknuts (18). 11-80