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DPW Installation, Operation, and Maintenance Manual, Page 72 Executive Order VR-102-Q <br /> Date of manufacture on this product is located on <br /> the flat area of the valve body, under float. <br /> GENERAL INSTRUCTIONS <br /> The OPW 61 SO Overfill Prevention Valve is designed for <br /> tight fill, gravity drop applications to help prevent acci- <br /> dental or intentional overfilling of underground storage <br /> tanks. It is installed in the UST drop tube in place of a I <br /> standard drop tube. <br /> The main 61 SO valve closes when liquid level is at 95%of <br /> the top of the tank reaches the initial shut off point. A <br /> small bypass valve remains open to allow the delivery h <br /> hose to drain at 3-5 gallons per minute. If the delivery <br /> truck valve is not closed after initial shut-off,the bypass <br /> valve will close and will restrict all fuel delivery to en- <br /> sure that the top of the tank is not wetted per EPA re- <br /> quirements. <br /> The 61 SO EVR approved mod els of the 61 SO are de- f <br /> signed to be installed with the following OPW products: <br /> Face Seal Adaptor,OPW Spill Containeror Multi-port,Jack <br /> Screw Kit,Rotatable Product Adaptor,and Product Cap. <br /> IMPORTANT <br /> Read these assembly and installation instructions com- <br /> pletely and carefully prior to starting. Check to make <br /> sure all parts have been provided. Use only the parts <br /> supplied; substitution of parts may cause product fail- <br /> ure. <br /> Failure to follow instructions may cause improper prod- <br /> uct operation or premature failure which may permit <br /> storage tank overfill. An overfilled storage tank may j <br /> create hazardous conditions and/or environmental con- <br /> tamination. <br /> CAUTION <br /> Do not remove elastic band from around float until <br /> instructed to do so,as damage to valve may result. <br /> WARNING <br /> Failure to properly connect delivery hose and el- <br /> bow,and/or disconnecting a liquid filled delivery <br /> hose or elbow will result in a hazardous spill,which <br /> may result in personal injury,property damage,fire, <br /> explosion,and water and soil pollution. <br /> • Make sure all connections,including the hose and <br /> elbow connections, between storage tank and <br /> transport are securely coupled. <br /> • Make sure the lip seal and/or all gaskets in the deliv- <br /> ery elbow are properly in place to prevent spills. <br /> • Do not operate with damaged or missing parts, <br /> which prevent tight connections. <br /> Normal Operation:A Hose"Kick"and reduced flow <br />