TM 10-5430-240-13&P 0005 00 0005 00-10 NOTE If tank ends are not level with the trailer floor, the tank may be leveled by releasing the ratchet on one side of the tank, and then taking up the slack by tightening the opposite ratchet. 14. After filling the tank to the correct pressure (4-6 PSI) (21-41 kPa), shut off the filling hose valve first, then shut off the tank filler/discharge valve (2). Some loss of water between the valves will be experienced at this point. Material is under pressure between the valves. Low pressure will be created if the filling hose valve is shut off first as directed above, high-pressure if the tank valve is shut off first. NOTE The closed system of filling a tank allows the pressure to build up very rapidly as the tank reaches full capacity. It is recommended that tank containers be filled to a final minimum pressure of 4 PSI (21 kPa) and a maximum of 6 PSI (41 kPa). 15. Keep the pressure gage valve (3) open to allow continual observation of the tank pressure. WARNING The tank must be transported only when completely full or completely empty, or injury to personnel could result. 16. The tank is now properly filled and secured for transportation. Regular periodic checks for tight belts is recommended. Belts should be tightened at least every two hours. Pressure Gage Assembly
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