TM 9-2320-209-10-1 FRAME 7 1. On M49A2C truck, move discharge valve control operating lever (1) or (2) (or on M49A1C truck levers 1, 2, or 3) to closed position (toward front of truck). 2. Unclip grounding wires (4) and (5); let them rewind on reel. 3. Close and lock rear compartment doors (6). GO TO FRAME 8 4-137