TM 9-2320-361-20 3-26. FUEL PUMP (IN-TANK) MAINTENANCE (Contd) NOTE Remove fuel tank from vehicles M109A3, M756A2, and M1858A3 (para. 3-24); for vehicle M256A2, refer to para. 3-25. 1. Disconnect battery cable (para. 4-48). WARNING Some vehicles have two separate wires and connectors. Mark wires for installation. Connecting wires on wrong terminals may cause fuel to ignite, resulting in injury to personnel. 2. Disconnect connector (10) from terminal cover (11). 3. Disconnect vent tube (7) from elbow (6) and remove elbow (6) from fuel pump assembly (4). 4. Disconnect fuel supply tube (3) from fuel pump assembly (4) if not already disconnected. 5. Remove ten screws (5), fuel pump (4), and gasket (8) from fuel tank (9). Discard gasket (8). 6. Cover opening in fuel tank (9) to prevent dirt and dust from entering. 3-43