TM 9-2320-361-20 12-47. WATER TANK DISCHARGE VALVE CONTROL LEVERS MAINTENANCE (M50A2, M50A3) This task covers: a. Removal d. Assembly b. Disassembly e. Installation c. Cleaning and Inspection f. Adjustment INITIAL SETUP: APPLICABLE MODELS M50A2, M50A3 EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS GENERAL SAFETY INSTRUCTIONS Six locknuts Wear gloves when handling cable. Six lockwashers REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P WARNING Wear leather gloves when handling cable. Do not let cable run through hands. Broken or rusty wires can cause injury to personnel. 1. Unscrew two coupling nuts (5) from adapters (6) and slide back on tubes (4). 2. Unscrew two adapters (6) from spacer bar (8). 3. Remove two nuts (11) and screws (9) from discharge valve control levers (10), and pull cables (7) out of screws (9), space bar (8), and two adapters (6). 4. Remove six locknuts (12), screws (1), and discharge valve control assembly (3) from shelf (2). Discard locknuts (12). 12-72