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GENERAL INSTRUCTIONS Normal Operation: A Hose"Kick"and reduced flow The OPW 61 SO Overfill Prevention Valve is signal that the tank is full. Close transport delivery designed for tight fill, gravity drop applications to valve and drain hose into tank before disconnecting help prevent accidental or intentional overfilling of any hose fitting. underground storage tanks. It is installed in the UST drop tube in place of a standard drop tube. Overfilled Tank: Failure of the hose to drain after The main 61 SO valve closes when liquid level is at closing the delivery valve signals an overfilled tank. 95%of the top of the tank. A small bypass valve Do Not Disconnect any delivery hose fitting until the remains open to allow the delivery hose to drain at liquid level in the tank has been lowered to allow the 3-5 gallons per minute. If the delivery truck valve is hose to drain into the tank. Attention: In the event not closed after initial shut-off, the bypass valve will you are splashed, remove all wetted clothing close and will restrict all fuel delivery. immediately. Do not go into an enclosed area and stay away from ignition sources. The 61 SO EVR approved models of the 61 SO are designed to be installed with the following OPW IMPORTANT products: Face Seal Adapter, Spill Container or Determine if the underground storage tank is Multi-port, Jack Screw Kit, Rotatable Product equipped with a ball float vent valve,as Adaptor, and Product Cap. illustrated in Figure 16. In all systems,the shut- off point of the 61 SO must be reached before the IMPORTANT ball float reduces flow to ensure proper overfill Read these assembly and installation instructions valve operation. completely and carefully prior to starting. Check to make sure all parts have been provided. Use only the parts supplied; substitution of parts may cause TOOLS NEEDED FOR INSTALLATION AND product failure. ASSEMBLY: 1. Drill Failure to follow instructions may cause improper 2. A sharp 1/8"pilot drill bit product operation or premature failure which may 3. A sharp 5/16"drill bit permit storage tank overfill. An overfilled storage 4. Tape measure tank may create hazardous conditions and/or 5. Hacksaw or cut-off saw, fine tooth; 24 teeth/inch environmental contamination. 6. Fine half round file 7. Screwdriver-Phillips blade CAUTION 8. '/z"Wrench or socket Do not remove elastic band from around float until 9. Two-part sealant(Supplied) instructed to do so, as damage to valve may result. 10. Torque Wrench WARNING WARNING Failure to properly connect delivery hose and elbow, Using electrically operated equipment near gasoline and/or disconnecting a liquid filled delivery hose or or gasoline vapors may result in fire or explosion, elbow will result in a hazardous spill, which may causing personal injury and property damage. result in personal injury, property damage, fire, Check to assure the working area is free from such explosion, and water and soil pollution. hazards, and always use proper precautions. ` Make sure all connections, including the hose and elbow connections, between storage tank IMPORTANT: The figures in this installation and and transport are securely coupled. maintenance instruction may contain vapor recovery • Make sure the lip seal and/or all gaskets in the equipment(including model numbers)that is not delivery elbow are properly in place to prevent certified by the California Air Resources Board spills. (CARB)for a specific Phase I Vapor Recovery • Do not operate with damaged or missing parts, System. Please refer to Exhibit 1 of the appropriate which prevent tight connections. CARB Phase I Executive Order for a list of certified Phase I Vapor Recovery System Equipment. 53