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S) Dipstick number (X) = 82 _ top oftheFace Seal Adaptor In the spill container to the <br /> Tank diameter (Y) = 92" ttom of the tank ( Dim. "B"). <br /> (Y) - {x} = (�} (92" - 2" - 10" , 1 �� <br /> 1l�i1O RTANT: Inspect the riser pipe for any foreign mate- <br /> W = i0" rias . Qv 0fay from tank relining or any Internal burrs <br /> 6) W - 2° = C i}iside ppipe must be removed prior to installation. <br /> C=8" p , FijCi"t'e' to have an unobstructed riser pipe may prevent <br /> " " i � "�� a. m installation and operation of the valve. The <br /> 7) is 8 less than 6-1 /2 ? � � proper <br /> 71 SO is designed for installation into schedule 40 riser <br /> NO Measure the distance from the top of the FSA- pipes . The 7150 cannot be Installed into schedule 84 <br /> 400 Face Seal Adaptor installed on the riser pipe riser pipes, <br /> to the inside, top lip of the storage tank and ob- STEIN 2: MARK THETUBE <br /> tain measurement (A) , Use the result from Step 1 and NOW TO LOCATE THE <br /> POSITION OF THE 71SOArgs% TANKCAPACITYto <br /> Upper tube length = C + (A) mark the upper tube. Measure the distance from the <br /> seam where the upper tube and valve body meet, Use <br /> For testable models only, ending in "T": Upper Tube a tape measure to mark the calculated upper tube <br /> Length = C + (A) - 1 -1 /2" length onto the upper Rube. See Figure 2 <br /> ASSEMBLY INSTRUCTIONS Tape measure <br /> IMPORTANT: Each of the numbered steps in the in - <br /> stallation Instructions are designed as a CHECK LIST to <br /> ensure proper Installation and trouble free operation of <br /> the OPW 71 SO Overfill Prevention Valve . <br /> Read and follow these steps carefully, checking them Riser Pipe <br /> with Face <br /> off.as you proceed. Seal Adaptor ToTankB <br /> Figure numbers correspond to step numbers for easy TOp (i a ) To Tank <br /> reference. 80 °n' <br /> STEP 1 : MEASURE <br /> Install the OPW Face Seal Adaptor and the OPW Thread- <br /> on Spill Container on the Fill Riser (Refer to the Installa- <br /> tion Instructions Supp)ied with the Spill Container) . ln- Figure I <br /> sect a tape measure through the riser pipe and hook it <br /> under the inside of the tank in the lengthwise direction. <br /> Measure the distance from the top of the Face Seal <br /> Adaptor threads Inside the base of the spill container <br /> bucket just below the drain valve outlet window to the 4~ NPT <br /> inside, top lip of the storage tank (Dim . "A") (See Figure Nipple <br /> 1 &1A). <br /> The top flange on the 71 SO will rest on the Face Seal <br /> Adaptor just below the drain valve outlet, and be <br /> lacked in place between the Face Seal Adaptor and the ° OPW Spill <br /> 4" nipple that is installed in the spill container with the Container <br /> Jack Screw Kit (See Figure 1A). {For riser pipe configura- easurhe Jack Screw <br /> tions other than that shown, consult infor J ark stallation draw- forJwk toto <br /> Kit <br /> ings or use other necessary means to measure Dimen- installation O-Ring Seal <br /> o Face <br /> Sion A"} � s� d wear.t�T} Face 5aal <br /> Using a tape measure, measure the distance from the 71SO Adaptor <br /> Figure 1A s <br />