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authorized, substances or components; soil or other <br />surface or subsurface conditions; or fire, flood, storm, <br />lightning, earthquake, accident or any other conditions, <br />events or circumstances beyond OPW's control . <br />THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER <br />WARRANTIES, EXPRESS OR IMPLIED, AND ALL OTHER <br />WARRANTIES INCLUDING, WITHOUT LIMITATION, THE <br />WARRANTIES OF MERCHANTABILITY AND FITNESS FOR <br />A PARTICULAR PURPOSE, ARE HEREBY EXCLUDED. <br />OPW shall have no other liability whatsoever, whether <br />based on breach of contract, negligence, gross negli- <br />gence, strict liability or any other claim, including, with- <br />out limitation, for special, incidental, consequential or <br />exemplary damages or for the cost of labor, freight, ex- <br />cavation, clean-up, downtime, removal, reinstallation, <br />loss of profit, or any other cost or charges. No person or <br />entity is authorized to assume on behalf of OPW any <br />liability beyond this limited warranty. This limited war- <br />ranty is not assignable. <br />**n + <br />of manufacture on this product is located on <br />the flat area of the valve body, under float. <br />GENERAL INSTRUCTIONS <br />The OPW 71 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 <br />standard drop tube. <br />The main 71 SO valve closes when liquid reaches the <br />initial shut off point. A small bypass valve remains open <br />to allow the delivery hose to drain at 3-5 gallons per <br />minute. If the delivery truck valve is not closed after <br />initial shut-off, the bypass valve will close and will re- <br />strict all fuel delivery to ensure that the top of the tank <br />is not wetted per EPA requirements. <br />The 71 SO models of the 71 SO are designed to be in- <br />stalled with the following OPW products: Face Seal <br />Adaptor, OPW Spill Container or Multi -port, Jack Screw <br />Kit, Rotatable Product Adaptor, and Product Cap. <br />IMPORTANT <br />Read these assembly and installation instructions com- <br />pletelyand 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 />uctoperation or premature failure which may permit <br />storage tank overfill. An overfilled storage tank may <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 />signal that the tank is full. Close transport delivery <br />valve and drain hose into tank before disconnecting <br />any hose fitting. <br />Overfilled Tank: Failure of the hose to drain after clos- <br />ing the delivery valve signals an overfilled tank. Do Not <br />Disconnect any delivery hose fitting until the liquid lev- <br />el in the tank has been lowered to allow the hose to <br />in into the tank. <br />WARNING <br />In the event you are splashed with fuel remove wet <br />clothing immediately. Skin contact with gasoline <br />can cause chemical burns and may result in inhala- <br />tion of vapors that may be fatal. Never go inside <br />confined areas after being splashed and never go <br />near ignition sources. <br />IMPORTANT <br />Determine if the underground storage tank is equipped <br />with a ball float vent valve, as illustrated in Figure 24. In <br />all systems, the shut-off point of the 71 SO must be <br />reached before the ball float reduces flow to ensure <br />per <br />overfill valve operation. <br />TOOLS NEEDED FOR INSTALLATION AND ASSEM- <br />BLY: <br />1. 71 SO -TOOL or 71 SO-TOOLC or <br />71 SO-TOOLCT (includes the following) <br />• Sharp 3/16" drill bit with stop <br />• Punch <br />NOTE: Testable 71 SO models ending with a "T" re- <br />quirethe 71 SO-TOOLCT or modified 71 SO -TOOL or <br />71 SO-TOOLC <br />