TM 9-2320-361-10 e. Unloading Dump Truck by Dumping. (1) Position truck so tailgate (3) is over dumping area. (2) Apply parking brake lever (2) and place transmission gear-shift lever (1) in “N” (neutral) position. (3) Rig tailgate (3) to swing open at bottom (refer to b. of this para.). (4) Pull tailgate hand lever (5) forward and down to open tailgate (3). (5) Depress accelerator pedal (8) enough to prevent stalling, depress clutch pedal (6) in, move hoist control lever (7) forward to position D to raise dump body, and release clutch pedal (6). (6) When dump body is raised to proper height, move hoist control lever (7) to position C, to hold body in position, and dump load. (7) After dumping, clear tailgate area of material, and move hoist control lever (7) to position B, to lower dump body. (8) When dump body is down, move hoist control lever (7) to position A, and secure. (9) Push tailgate hand lever (5) up and back, to secure tailgate (3. 2-145 2-30. OPERATION OF DUMP TRUCKS (Contd)