TM 9-2320-361-10 2-27. OPERATION OF WATER TANK TRUCKS (Contd) (6) Start engine (refer to para. 2-14 or 2-15) and place transfer case shift lever (3) in neutral. NOTE Make sure parking brake is applied. (7) Engage transfer power takeoff lever (4) and place transmission gearshift lever (2) in “4” (fourth) position, (8) Pull out hand throttle (1) to run engine at 1100 rpm. Let pump run for 60 seconds to drain delivery lines, compartment drain pipes, manifold pipes, and delivery pump. (9) Push hand throttle (1) in, disengage transfer power takeoff lever (4), and place transmission gearshift lever (2) in “N” (neutral) position. (10) Close exhaust stack cap (5), and open shutoff valve (6). 2-130