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0 Z. Open the monitor felting not connected to the hose hardware. 11 : 3. Pressurize the primary tank to 5 PSIG;add or remove air as NDTE:Your tank may arrive on site with a hose/vatve assembly(see Figure 2-3 HV) necessary and allow the pressure to stabilize.Close the valve on or with a Quick Disconnect assembly(see Figure 2-3 OD).If the tank is not the test manifold supply line. configured as shown in one of the illustrations prior to preinstallation testing,call the Xerxes'coordinator at the plant nearest you or the technical services department 4. Monitor the pressure for one hour.Soap test all service fittings at xerxes!headquarters. and manways.Watch for active air bubbles which indicate a leak. HOSE/VALVE ASSEMBLY NOTE:In order to test the tank,the hoseAdve assembly must be connected from a NYLON TIE monitor felting to a service felting. PRIMARY(INTERNAL)TANK TEST I PRESSURE RELIEF DEVICE i ' 1. Open one service fitting and the monitor fitting which is not �__�, FROM COMPRESSOR connected to the hose/valve assembly.Check to see that all GUrCK DISCONNECT AIR SUPPLY VALVE remaining service and monitor fittings are properly doped,plugged ASSEMBLY AIR SUPPLY GAUGE and tightened. MONITOR FITTING SERVICE FITTING 2. Close the valve on the hose/valve assembly.Install the test manifold in the open service fitting.Connect the pressure source to the test manifold.(See Figure 2-3 HV). 3. Pressurize the primary(internal)tank to 5 PSIG.Add or FIGURE 2-3 QD remove air as necessary and allow the pressure to stabilize.Close the valve on the test manifold. SECONDARY(EXTERNAL)TANKTEST 4. Monitor the pressure for one hour.Soap all fittings and man- 1. Maintain the pressure in the primary tank. ways and watch for active air bubbles which indicate a leak. 2. Plug the monitor fitting which was previously open.See Step 2 (Quick Disconnect Assembly Primary Tank Test). PRESSURE RELIEF DEVICE 3. Free the hose from the service felting by cutting the nylon tie. HOSE/VALVE ASSEMBLY FROM COMPRESSOR 4. Insert the hose into the quick disconnect check valve(found at AIR SUPPLY VALVE the top of the service fitting).This will allow air to transfer from the MANIFOLD VALVE AIR SIMPLY GAUGE primary to secondary tank. MONITOR FITTING SERVICE FITTING 5. Pressurize to 5PSIG.Add or remove airvia the supply valve as needed and.allow the pressure to stabilize.Close the valve on the test manifold.Disconnect the air supply line. 6. Monitor the pressure for one hour.Soap the entire exterior of the tank and watch for active air bubbles which indicate a leak. FIGURE 2-3 HV When the test is complete,carefully release the air pressure from SECONDARY(EXTERNAL)TANK TEST the tank by opening the supply valve.The air supply line already should have been disconnected.When the air flow from the supply CAUTION:Do not pressurize the secondary tank(interstitial space) valve stops,remove the test manifold. directly or the primary tank may rupture and cause tank failure. Once the valve on the hose/valve assembly has been opened,do i 2c. DOUBLE WALL TANK WITH LIQUID-FILLED not close it until all testing is complete and all test pressure has INTERSTITIAL SPACE been released. 1. Maintain the pressure on the primary tank Plug the monitor PRIMARY(INTERNAL)TANK TEST fitting which was previously open.Slowly open the valve on the NOTE Keep the tank vertical(the reservoir on top)during the preinstallation testing hose/valve assembly and pressurize the secondary(external)tank or the brine may drain from the reservoir. to 5 PSIG.Add or remove air as needed and allow the pressure to 1. Open one service fitting and the fitting on the reservoir.Check stabilize.Close the valve on the test manifold.Disconnect the air for liquid in the reservoir—it should be about half full.Do not supply line. open the monitor fittings—brine will be lost Check to see that all 2. Monitor the pressure for one hour.Soap the entire exterior of remaining service and monitor fittings are properly doped,plugged the tank and watch for active air bubbles which indicate a leak. and tightened. When the test is complete,carefully release the air pressure from 2. Visually check the interior of the tank for liquid—there should the tank by opening the air supply valve.The air supply line should not be any.Install the test manifold in the open service fitting. already have been disconnected.Remove the test manifold. Connect the pressure source to the test manifold.(See Rgure 2-4). 3. Pressurize the primary(internal)tank to 5 PSIG.Add or QUICK DISCONNECT ASSEMBLY remove air as necessary and allow the pressure to stabilize.Close NOTE:In order to test the primary tank alone,the test hose must not be connected the valve on the test manifold.Disconnect the air supply line. to the service fitting—keep the nylon be in place. 4. Monitor the pressure for one hour.Soap all fittings and man PRIMARY(INTERNAL)TANK TEST ways and watch for active air bubbles which indicate a leak.Check 1. Connect the test manifold to an available service felting.Check the reservoir for bubbles in the monitor fluid. to see that all remaining service fittings are properly doped, 5. Release the pressure from the primary tank. plugged and tightened.