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The following is the Overfill Prevention Device: <br /> SECONDARY'POSITNE' <br /> SFFJTOFF LEVEL <br /> PER I KSTRUCTIOMl5 i95%I <br /> FLOW MOTE AFTER <br /> 127mmr"EO <br /> (5 in) <br /> 143 mm <br /> (5.6 in) <br /> -PRIMARY SHUTOFF <br /> LFIEL Tar GAS <br /> PRIMARY <br /> _UT"FF <br /> LET.IJIESEL <br /> FRw4Rr SM V[OFF <br /> �30 LPN! <br /> I FLOW PATE AFTER <br /> I <br /> V—bl-[ax-0 Vxu6kM Na[Mif <br /> QECREASEthe�r l,� aif RFlSF=A, <br /> PRWARY SRIROFF of an ER'MARY SHUTOFF 0 m <br /> mavb—I OPV: PwcTrbn"OPV: <br /> •LOWER FLOWRATE -HMaHER FLOWRATE <br /> -H16FIER 5PECIPM SPAYITY .LOWER SPECIFIC GRAV'TY <br /> SW,LLER 01'IhETER TAML •LAR6FR DiANIETER TAW <br /> INSTALLATION <br /> INSTALLING THE OPV <br /> A WARNING: If you are working with drop tubes that have been exposed to fuel or other <br /> flammable substances, allow these substances and any vapors to dissipate in a well-ventilated <br /> area for an hour before you perform any procedures. <br /> Required equipment: <br /> • Tape measure <br /> • Half round file <br /> • Permanent marker <br /> • FFS pipe cutter* or metal saw <br /> • Groove roller tool* <br /> • OPV assembly <br /> • 4" upper drop tube gasket <br /> • Hose clamp <br /> • Warning plate <br /> * Refer to the FFS catalog for ordering information. <br /> 5 <br />