TM 9-2320-361-20 3-25. FUEL TANK REPLACEMENT (M275A2) This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS M275A2 MATERIALS/PARTS Six locknuts Antiseize tape (Appendix C, Item 27) PERSONNEL REQUIRED EQUIPMENT CONDITION Battery ground cable disconnected (para. 4-48). Wheels removed on left side of forward-rear axle (para. 9-2). Left front splash guard removed (para. 12-55). Rear cab mounts removed (para. 11-23). Fuel tank filler cap and sleeve removed (para. 3-22). Two REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P GENERAL SAFETY INSTRUCTIONS Diesel fuel is flammable. Do not perform fuel system procedures near flames. Some vehicles have two separate wires and connectors. Connecting wires on wrong terminals may cause fuel to ignite, resulting in injury to personnel. a. Removal WARNING Diesel fuel is flammable. Do not perform fuel system procedures near open flame. Injury or death to personnel may result. NOTE Have drainage container ready to catch fuel. 1. Drain fuel from fuel tank (16) by removing drainplug (21) from fuel tank (16). NOTE Male pipe threads must be wrapped with antisiez tape before installation. 2. Install drain plug (21) on fuel tank (16). 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. 3. Disconnect connector (1) from fuel pump (19). 4. Disconnect wire (6) from fuel level sending unit (7). 5. Disconnect fuel supply tube (4) from elbow (18). 6. Disconnect vent tube (2) from elbow (3). 7. Disconnect fuel return tube (5) from elbow (17). 8. Remove three locknuts (8) and screws (10) from three side retaining straps (11), top retaining straps (9), and bracket (20). Discard locknuts (8). 9. Remove three locknuts (15), screws (12), and side retaining straps (11) from three fuel tank hangers (14). Discard locknuts (15). 3-38