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5) Dipstick number (X) = 82" top of the Face Seal Adaptor In the spill container to the Tank diameter (Y} = 92" bottom of the tank ( Dim. "B"). (y) M - (z) (92f� - 2 " = 100) IMPORTANT, Inspect the riser pipe for any foreign mate- W = 10" rias. Over spray from tank relining or any Internal burrs 6) (Z) - 2" = C ( 10" - 2" = 8") inside of pipe must be removed prior to installation. C=8" Failure to have an unobstructed riser pipe may prevent 7) Is 8" less than 6-1 /2"2 proper installation and operation of the valve. The 71 SO is designed for installation Into schedule 40 riser NO Measure the distance from the top of the FSA- pipes. The 71 SO cannot be Installed into schedule 80 400 Face Seal Adaptor installed on the riser pipe rl ser pipes. to the inside, top lip of the storage tank and ob- STEP 2: MARK THETUBE twin measurement (A). Use the result from Step 1 and NOW Til LOCATE THE POSITION OF THE 7ISO Arm TANKCAPACITYto Upper tube length = C + (A) mark the upper tube. Measure the distance from the seam where the upper tube and valve body meet. Use For testable models only, ending in " T"s Upper Tube a tape measure to mark the calculated uppertube Length = C + (A) - I �1 /2" length onto the uppertube. See Figure 2 ASSEMBLY INSTRUCTIONS Tape measure IMPORTANT: Each of the numbered steps in the in - stallation instructions are designed as a CHECK LISTto ensure proper Installation and trouble free operation of the OPW 71 SO Overfill Prevention Valve. Read and follow these steps carefully, checking them Riser Pipe �F with Face off.as you proceed. (A) Seel Adaptor To Tank (B) Figure numbers correspond to step numbers for easy Top (I . D. } To Tank reference. Bo lorn STEP 1 : MEASURE Install the OPW Face Seal Adaptor and the OPW Thread- on Spill Container on the Fill Riser (Refer to the installa- tion Instructions Supplied with the Spill Container) . In= f=igure 7 sert a tape measure through the riser pipe and hook it under the inside of the tank in the lengthwise direction. Measure the distance from the top of the Face Seal Adaptor threads inside the base of the spill container bucket just below the drain valve outlet window to the as NPT inside, top lip of the storage tank (Dim , "A") (See Figure Nippy 1 &1A) . The top flange on the 71 SO will rest on the Face Seal Adaptor just below the drain valve outlet, and be locked in place between the Face Seal Adaptor and the a OPW Spill 4" nipple that is installed In the spill container with the Container Jack Screw Kit (See Figure 1A). (For riser pipe configura- Jackscrew tions otherthan that shown, consult installation draw= Measure to he K@ for Jack screw ings or use other necessary means to measure Dimen- installation O-Ring seal $ion "A"). (Top of Face soar Adaptor) Face SSI Using a tape measure, measure the distance from the 7150 Adaptor Figure 1A 5 i i i r