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PEMP1200 -� -- - ---- - --- --- -- -- -- - — — _._ ,. - _ - - --- - --- NOTE: To do this , direct the fluid flow into a NOTE The ELLD may cycle the pump on/ graduated cylinder while timing for 60 seconds. off several times before alarming or shutting down the pump . 9. Continue to adjust the size of the test appa- _- - - ratus leak orifice until the desired volume is 13 . Record the number of test cycles observed achieved . To expedite calibration , make coarse before alarm/shut down occurs . adjustments by measuring the volume of fluid that corresponds to the 15-second time interval NOTE: When required, perform a 0.2 gph or indicated in Table 9- 1 . The final calibration 0. 1 gph simulated leak test on ELLDs . Follow of the test apparatus leak orifice must be con- the manufacturer 's test parameters . The ELLD ducted by measuring the appropriate volume of safety and test set up procedures for 3 .0 gph fluid over the full 60-second timeframe, simulated leak test should be followed. 10. Without adjusting the test apparatus leak ori- fice after it has been properly calibrated in Step ti9. 2. 7 Pass/Fail Criteria. If the ELLD has iden- 9 , hang up the dispenser nozzle, allowing the fied the simulated leak by generating an alarm pump to turn off. and, if applicable, shutting down the STP, the ELLD passes the test. 11. While directing the fluid flow from the leak test apparatus into the test can, observe that the If the ELLD has not identified the simulated leak ELLD turns the pump on and pressurizes the by generating an alarm and, if applicable , shutting line. down the STP, the ELLD fails the test. 12. Confirm that the simulated leak condition If the STP does not properly cycle on/off under causes the electronic line leak detector to alarm normal fuel system operating conditions, the ELLD and/or shut down the pump. fails the test. NOTE: If the leak detector initially fails the � . test, repeat the test procedure before declaring the test result as "fail . " 9 . 2, 8 Restore the System to Operational Con- dition . Upon completion of the test: • Shut off power to the STP and perform lockout/ tagout procedures on the circuit breakers . Allow 4' line pressure to bleed off to zero and close the shear valve. 7 Remove the test apparatus from the shear valve body and properly reinstall the plug into the shear valve test port. Reestablish power to the STP, tum dispenser r on and confirm that no leaks are present in the system. Dispense product into the test can to remove any �t! air from the line and confirm that full product flow is achieved . >1 FIGURE 943 . The test port on the shear valve under the dispenser provides a location to simulate a leak in the underground piping system. pei .org