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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
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