TM 10-5430-240-13&P 0025 00 0025 00-1 OPERATOR, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) HYDROSTATIC TESTINITIAL SETUP Tools Equipment Conditions Tool Kit, General Mechanic Available water supply at 100.0 GPM (Item 1, WP 0027 00) Torque Wrench, 0-100 ft-lbs (Item 2, WP 0027 00) Material/parts Water hose 2.0” ID x 50’ long (Table 1, WP 0033 00) Gage hose .25” ID x 50’ long (Table 1, WP 0033 00) WARNING Do not air test the tank. Over pressurization could cause the tank to burst, resulting in death or serious injury to personnel. GENERAL Hydrostatic testing should be performed annually. For tank containers measuring 7.0 foot x 4.0-inch flat, the test pressure is as follows: 1. Initial pressure equals 4.0 PSI (28 kPa). Torque values for bolts are 70.0 ± 5 ft-lbs (95 ± 7 Nm). 2. Static time equals 7.0 PSI (48 kPa) for two hours. 3. Maximum pressure equals 12.0 PSI (83 kPa). 4. Rise time to maximum pressure equals 10 minutes from 7.0 PSI to 12.0 PSI (48 - 83 kPa). TANK DEPLOYMENT 1. Set the tank on a smooth area for testing and draining. 2. Place the tank in the test area, making certain that all air has been expelled from the tank by flattening the tank completely with the pressure/air relief valve open. 3. Close the pressure/air relief valve before beginning the test. SETTING UP EQUIPMENT 1. Bleed the air from the filling line to prevent air from entering the tank. 2. Attach the supply hose securely. 3. Attach the .25-inch ID hose to the petcock on the flow tube. 4. Close the petcock and turn on the water.
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