TM 9-2320-361-20 4-34. HOT WATER PERSONNEL HEATER CONTROL SWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS Six lockwashers TM 9-2320-361-20P EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-48). a. Removal 1. Remove nut (5), lockwasher (4), locking ring (3), and switch (6) from mounting bracket (2). Discard lockwasher (4). NOTE Tag leads for installation. 2. Remove three screws (9), lockwashers (8), and four wires (7) from switch (6). Discard lockwashers (8). 3. Remove two nuts (12), lockwashers (11), screws (10), and mounting bracket (2) from instrument panel (1). Discard lockwashers (11). b. Installation 1. 2. 3. Install mounting bracket (2) to instrument panel (1) with two screws (10), new lockwashers nuts (12). Install four wires (7), three screws (9), and new lockwashers (8) on switch (6). Position keyway in switch down. Install locking ring (3), new lockwasher (4), and nut (5) on (11), and FOLLOW-ON TASKS: Connect battery ground cable (para. 4-48). Check heater switch for proper operation (TM 9-2320-361-10). 4-52