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Recommended Practices for the Testing and Verification of Spill, Overfill, Leak Detection and Secondary Containment Equipment at UST Facilities <br />• properly anchored to the dispenser box frame or <br />dispenser island; <br />• shear section located between 1/2 inch above and <br />%2 inch below the level of the top surface of the <br />dispenser island; <br />• lever arm free to rotate and able to snap the pop- <br />pet valve shut/closed; <br />• appropriate plug properly installed in the test <br />port; <br />• no fuel flow from the dispensing nozzle when <br />the product shear valve is closed. <br />If any one of the passing criteria noted above is not <br />met, then the shear valve fails the test. <br />10.3 Vapor Shear Valves. <br />10.3.1 Purpose. The purpose of this test and <br />inspection is to verify that the vapor shear valves, <br />if present, are properly installed per manufacturer's <br />specification. <br />10.3.2 Description of Test. The vapor shear <br />valve is inspected for proper installation per the <br />manufacturer. <br />10.3.3 Preparation. Barricade the entire dis- <br />penser that is to be inspected and tested so that no <br />customers will attempt to pump fuel. Open the dis- <br />penser cover to access the inside of the dispenser. <br />10.3.4 Test Equipment. None, this is a visual <br />inspection. <br />10.3.5 Test Procedure. <br />1. Inspect the vapor shear valve for proper <br />installation and anchoring. The portion of the <br />shear valve located below the shear section <br />must be rigidly anchored to the dispenser box <br />frame or the concrete dispenser island using <br />hardware and materials specifically designed <br />for this purpose. The portion above the shear <br />section must be rigidly mounted to the inside of <br />the dispenser. If the shear valve is not properly <br />anchored, notify the appropriate person to have <br />it repaired. <br />2. Place the cover back on the dispenser and <br />remove barricades. <br />10.3.6 Pass/Fall Criteria. If a vapor shear valve <br />meets all of the following criteria, it passes the test: <br />• properly anchored to the dispenser box frame or <br />dispenser island; <br />• shear section located between 1/2 inch above and <br />1/2 inch below the level of the top surface of the <br />dispenser island. <br />If any one of the passing criteria noted above is not <br />met, then the shear valve fails the test. <br />pei.org 0 <br />