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C <br />GENERAL INSTRUCTIONS <br />The OPW 61 SO Overfill Prevention Valve is <br />designed for tight fill, gravity drop applications to <br />help prevent accidental or intentional overfilling of <br />underground storage tanks. It Is installed in the UST <br />drop tube in place of a standard drop tube. <br />The main 61 SO valve doses when liquid level is at <br />95% of the top of the tank. A small bypass valve <br />remains open to allow the delivery hose to drain at <br />3-5 gallons per minute. If the delivery truck valve is <br />not closed after initial shut-off, the bypass valve will <br />close and will restrict all fuel delivery. <br />The 61 SO-EVR models of the 61 SO are designed to <br />be installed with the following OPW products: FSA - <br />400 Face Seal Adapter, 1-2100-EVR Series Spill <br />Container or POMECO Multi -port, 61JSK Jack <br />Screw Kit, 61 SALP-EVR Series Rotatable Product <br />Adaptor, and 634TT-EVR Series Product Cap. <br />IMPORTANT <br />Read these assembly and installation instructions <br />completely and carefully prior to starting. Check to <br />make sure all parts have been provided. Use only <br />the parts supplied; substitution of parts may cause <br />product failure. <br />createpermit storage tank overfill. An overfiltad sto <br />tank may ,.or <br />environmentalcontamination. <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 property connect delivery hose and elbow, <br />and/or disconnecting a liquid filled delivery hose or <br />elbow will result in a hazardous spill, which may <br />result in personal injury, property damage, fire, <br />explosion, and water and soil pollution. <br />Make sure all connections, including the hose <br />and elbow connections, between storage tank <br />and transport are securely coupled. <br />Make sure the lip seal and/or all gaskets in the <br />delivery elbow are properly in place to prevent <br />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 <br />closing the delivery valve signals an overfilled tank. <br />Do Not Disconnect any delivery hose fitting until the <br />liquid level in the tank has been lowered to allow the <br />hose to drain into the tank. enti : In the event <br />you are splashed, remove all wetted clothing <br />immediately. Do not go into an enclosed area and <br />stay away from ignition sources. <br />IMPORTANT <br />Determine if the underground storage tank Is <br />equipped with a ball float vent valve similar to <br />the OPW 53VM, as Illustrated in Figure 16. In all <br />systems, the shut-off point of the 61 SO must be <br />reached before the ball float reduces flow to <br />ensure proper overfill valve operation. <br />2. A sharp 1/8" pilot drill bit <br />3. A sharp 5/16" drill bit <br />4. Tape measure <br />5. Hacksaw or cut-off saw, fine tooth; 24 teethrnch <br />6. Fine half round file <br />7. Screwdriver - flat blade <br />8. %a" Wrench <br />9. Two-part sealant (Supplied) <br />10. Torque Wrench <br />WARNING <br />Using electrically operated equipment near gasoline <br />or gasoline vapors may result in fire or explosion, <br />causing personal injury and property damage. <br />Check to assure the working area is free from such <br />hazards, and always use proper precautions. <br />OPW Fueling Components - Phase I Vapor Recovery System — VR -1 02-A <br />