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= top of the Face Seal Adaptor in the spill container to the <br /> 5) Dipstick number (X) 82" bottom of the tank ( Dim . 118'7 . <br /> Tank diameter (Y) = 92" p e far an foreign mate- <br /> {Y} Oft (X) = (Z) (92 ` - 2" w 10") IMPORTANT: inspect the riser pip Y <br /> " rial . Over spray from tank relining or any internal burrs <br /> (Z) = i0" " " . 8") inside of pipe must be removed prior to installation. <br /> 6) (Z) _ 2" { 10 46 2Failure to have an unobstructed riser pipe may prevent <br /> C=8" proper installation and operation of the valve. The <br /> 7) is 8" less than 6-1 /2"? 71 SO is designed for installation Into schedule 40 riser <br /> pipes. The 71 SO cannot be installed into schedule 80 <br /> NO Measure the distance from the top of the FSA- riser pipes. <br /> 400 Face Seal Adaptor installed on the riser pipe 5TEp 2: NIAttK THE TUBE <br /> to the Inside, top lip of the storage tank and ob- <br /> E tai n measurement {A) , Use the result from Step 1 and HOWTO DATE THE <br /> POSITION OF THE 71SO Ar gs% TANK CAPACITY to <br /> mark the upper tube. Measure the distance from the <br /> Upper tube length = C + {A} seam where the upper tube and valve body meet. Use <br /> on111 11 111 11 1 1 11 111 1 11 111 1 111 Oilly, ending in Upper Tube a tape measure to mgr tube calculated <br /> upper tube <br /> =Length <br /> models yr length onto the upper <br /> (A) - 1 _t /2" <br /> Tape measure <br /> ASSEMBLY INSTRUCTIONS <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 /> Riser Pipe <br /> Read and follow these steps carefully, checking them with trace <br /> off as you proceed. seal Adaptor To ( <br /> tTank <br /> Top (I . D. ) T Bank <br /> Figure numbers correspond to step numbers for easy <br /> 801 am <br /> reference. <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 Supplied with the Spill Container) . MOO Figure 7 <br /> sert 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 4" NPT <br /> bucket just below the drain valve outlet window to the Nipple <br /> inside, top lip of the storage tank (Dim . "A") (See Figure <br /> 1 &1 A). <br /> The top flange on the 71 SO will rest on the Face Seal <br /> Adaptor just below the drain valve outlet, and be ° OPW Spill <br /> locked in place between the Face Seal Adaptor and the Container <br /> 4" nipple that is Installed In the spill container with the Jack screw <br /> Jack Screw Kit (See Figure 1 A). (For riser pipe configura- Measure to he Kit <br /> tions other than that shown, consult installation draw - for Jack screw o-Ring seal <br /> ings or use other necessary means to measure Dimen- (Top ace Face seat <br /> Sion " A") • soat Adapt+*j 7150 Adaptor <br /> Using a tape measure, measure the distance from the s <br /> Figure 1A <br />