TM 9-2320-209-20-3-1 4-7. FUEL TANK REMOVAL AND REPLACEMENT (TRUCKS M275A AND M275A2). TOOLS : WARNING Smoking, sparks, or open flame are not allowed within 50 feet of work area during this task. Fuel could explode, causing injury to personnel and damage to equipment. 1/2-inch wrench (2) 6-inch ruler 9/16-inch wrench (2) 15/16-inch wrench (2) Prybar 3/4-inch wrench (2) Wood block, 3/4 x 2 x 12 inches (2) 5-inch extension Wood block, 2 x 4 x 12 inches SUPPLIES : None PERSONNEL : Two EQUIPMENT CONDITION : Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Disconnect battery ground cable. Refer to para 7-58. (2) Drain fuel tank. Refer to TM 9-2320-209-10. (3) Take fuel lines and electrical connector off in-tank fuel pump. Refer to para 4-8. b. Removal. 1. Using l/2-inch wrenches, loosen three locknuts (1) on three screws (2) on bottom of three retaining straps ( 3). 2. Using 9/16-inch wrenches, unscrew and take off three locknuts (4) and three screws (5) at top of three retaining straps (3) . 3. Swing three retaining straps (3) down and away from fuel tank (6) . GO TO FRAME 2 TA 047435 4-33