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EMCC! Model A1100 Overfill <br /> WHEATON RETAIL. Prevention Valve OPV <br /> Field Operational Test Procedure TP-A1100 <br /> For Primary Float and Flapper Valve <br /> Service Tools Reauired: <br /> • EMCO Model A0081-1101 test tool •Scribe tool <br /> ONG <br /> CAUTION: <br /> 1. Always barricade work area to keep pedestrians and vehicles from accessing the storage tank area during preventive maintenance <br /> and/or compliance testing of the phase I system. <br /> Securing the Flapper Valve: W., � <br /> NOV 0 � 201 <br /> ENTAL HEALTH <br /> ENVIRON�ARTMENT <br /> nE <br /> Step 1: Remove the spill container lid, Step 2: Remove the Model Al 100 OPV <br /> fill cap and adapter from the tank fill from the tank fill riser. <br /> riser. Note: only remove manhole cover <br /> and water shroud system if necessary. <br /> Y Primary <br /> Float <br /> Step 3: Place the Model All 00 OPV on Figure 1: Correct position, primary float Figure 2: Improper position, primary <br /> its side with the primary float facing facing downward. float facing upward <br /> downward. Refer to Figures 1 and 2 <br /> for details. 1 <br />