TM 9-2320-209-20-3-3 c. Replacement. (1) Rear discharge valve cable. FRAME 1 1. Slide thimble (1) on end of cable (2). 2. Working under rear of tank, put end of cable (2) around eye (3) in discharge valve lever (4) and back through thimble (1), as shown. 3. Put split nut (5) over cable (2) between thimble (1) and eye (3) as shown. 4. Using pliers, hold split nut (5) together. Screw on thimble (1). 5. Using 13/16-inch and 7/8-inch wrenches, hold split nut (5) and tighten thimble (1). 6. Push other end of cable (2) through hole in wall (6) and push all slack in cable through hole. GO TO FRAME 2 18-284