TM 9-2320-209-20-3-1 7-50. FUEL GAGE SENDING UNIT REMOVAL AND REPLACEMENT. TOOLS: Cross-tip screwdriver (Phillips type) 6x6-inch sheet metal SUPPLIES: Gasket Dry cleaning solvent, type II (SD-2), Fed. Spec P-D-680 PERSONNEL: One 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) On truck M342A2, remove spare wheel (refer to TM 9-2320-209-10) and remove outer spare wheel carrier. Refer to Part 2, para 16-9. (4) On truck M756A2, partially remove fuel tank. Refer to para 4-6. b. Removal. FRAME 1 1. Take connector (1) off sending unit (2). 2. Using screwdriver, unscrew five screws (3) and take off five copper washers (4). 3. Carefully lift sending unit (2) out of fuel tank (5). Throw away gasket (6). CAUTION Cover hole in fuel tank with sheet metal, to keep out dirt until sending unit is put back. END OF TASK 7-185