TM 9-2320-361-10 2-26. OPERATION OF FUEL TANK TRUCK (Contd) I (23) (24) (25) Drain hose (4) and secure in hose compartment (1). Remove and secure ground wire (5) and fuel level gage (2). Close automatic dump valve knob (3) when drained. d. Power Discharging the Tank. (1) Park truck so dispenser line and nozzle (6) can reach filler hole or unit to be serviced. NOTE Make sure parking brake lever is applied. (2) Start engine (refer to para. 2-14 or 2-15), place transmission gearshift lever (8) in “2” (second) position, and transfer case shift lever (9) in middle (neutral) position. (3) Engage transfer power takeoff lever (10), and slowly pull out hand throttle (7) to run engine at 1150 rpm. 2-110 Change 2