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CPT Controller Manual <br /> REDJACKET <br /> Step 5: When the pressure is correct, replace the brass cap until it <br /> touches the functional element body. <br /> Notice If a siphon system is used,the operating pressure of <br /> the pump must be 2 psi greater than the setting for the <br /> functional element. <br /> Calibrating the Flow Rate <br /> To calibrate the flow rate, it is necessary to determine the volume of <br /> fuel that is pumped during a set time interval. <br /> Tools: You will need the following: <br /> 0 a stop watch, and <br /> 0 a 5-gal (or larger) container approved for flammable <br /> liquids. <br /> Use care not to overflow the container while <br /> Caution dispensing. <br /> Notice/ Be sure all air has been cleared from the lines. <br /> co— Red Jacket suggests starting with a pressure setting of 30 psi. <br /> This will need to be adjusted to meet your site requirements. <br /> Step 1: With the nozzle closest to the pump fully open, and <br /> dispensing into an approved 5-gal container or the gas tank of an <br /> automobile, pump fuel for a timed interval of 15 seconds, using a <br /> stopwatch. <br /> Give the dispenser a "running start"to make sure it is flowing <br /> normally before starting the stopwatch. Note the volume pumped <br /> during the "running start." <br /> ARE260-240 Rev.A ♦ 6197 4-5 Chapter 4: Operation <br />