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STEP 25 : INSTALL WARNING PLATE <br /> Bend the three warning plate ears down then slide <br /> the tie wrap over the warning plate ears and position <br /> warning plate against riser pipe approximately 1 " ° <br /> below the adaptor. Tighten the tie wrap securely . <br /> The valve is now fully installed and in operating <br /> position . <br /> OPV/ ' <br /> — , 5n � <br /> n" <br /> Manufacturer: " OPW ) <br /> Model 71 SO4" <br /> (4" represents size) <br /> Manufacture Date : <br /> " MFG MMYY" <br /> MM = Month YY=Year <br /> Warning <br /> Plate ' <br /> Figure 26 - Product Identification <br /> Figure 25 <br /> STEP 26 : VALVE REMOVAL <br /> The valve can be removed for tank leak testing , <br /> inspection , etc . , by removing the Rotatable Product <br /> Adaptor, the 4 " nipple , and the Jack Screw Kit . <br /> Reinstall per the above instructions . <br /> STEP 27 : ELECTRONIC LIQUID LEVEL <br /> MONITORING <br /> If an electronic level monitor is installed , it must be <br /> calibrated to match the top of the 71 SO valve body , <br /> which must correlate with 95 % of the actual tank <br /> capacity . <br /> 73 <br />