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1G.Remove the hex wrench and re -install the #1U-24 <br />inspection port screw with anm-hngseal attached. <br />Torque the screw to 20-25 in. lbs. <br />17. From the end ofthe drop tube's top flange, <br />illuminate the internal valve flapper with aflashlight <br />and visually inspect the deflector attached tothe <br />valve flapper. There should benmvisible damage <br />0mthis deflector. The deflector's shape should be <br />uniform and similar tothat ofFigure J.|fdamage <br />imobserved, the valve will not operate mmdesigned <br />and must bereplaced. <br />Figure J <br />18.After completing these inspection steps, recheck <br />the floats and linkage oedetailed inSteps 8&9. <br />Using care not to damage the floats orthe float <br />guide, reinstall the drop tube assembly into the <br />tank riser. <br />0w <br />ENVIRONMENTAL <br />HEAlTHI 't <br />