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ASSEMBLY INSTRUCTIONS Measuring Stick IMPORTANT: Each of the numbered steps in the installation instructions are designed as a CHECK LIST to insure proper installation and trouble free lk operation of the OPW 61 SO Overfill Prevention Valve. Read and follow these steps carefully, checking Riser Pipe them off as you proceed. with Face _. (A) (B) Seal Adaptor To Tank To Tank Figure numbers correspond to step numbers for l Top(I.D.) Bottom easy reference. 1") i 6-112' STEP 1: MEASURE Install the OPW Face Seal Adaptor and the Thread- on Spill Container on the Fill Riser(Refer to the Figure 1 Installation Instructions Supplied with the Spill Container). Insert the 61 SO measuring stick through the riser pipe and hook it under the inside of the tank in the lengthwise direction. Mark the measuring stick at the top of the Face Seal Adaptor threads inside the base of the spill container bucket 4"Nipple just below the drain valve outlet window(See Figure 1 &1 A). The top flange on the 61 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 4"nipple that is installed in the spill container with the Jack Screw Kit(See Figure 1 A). Spill Container (For riser pipe configurations other than that shown, consult installation drawings or use other necessary Jack Screw means to measure Dimension "A"). Mark Measuring O-Ring Seal Using a tape measure, measure the distance from stick here for ( Seal Face S the top of the Face Seal Adaptor in the spill Jack Screw T 61SO Face Sr installation container to the bottom of the tank (Dim. "B"). (Top of Face Seal) IMPORTANT: Inspect the riser pipe for any foreign Figure 1A material. Over spray from tank relining or any internal burrs inside of pipe must be removed prior to installation. Failure to have an unobstructed riser pipe may prevent proper installation and operation of the valve. The 61 SO is designed to be installed into Measuring schedule 40 riser pipes. The 61 SO cannot be Stick installed into schedule 80 riser pipes. STEP 2: MARK THE TUBE Use the result from STEP 1 and HOW TO LOCATE Transfer Mark THE POSITION OF THE 61 SO AT 95%TANK From Stick to CAPACITY to mark the upper tube. Measure the Upper Tube distance from the point where the upper tube and (Cut Line) valve body meets. For"C" measurements lass than or equal to 6-1/2"see Figure 2. For"C" Seam measurements greater than 6-1/2" use tape measure to mark the calculated upper tube length onto the upper tube. Figure 2 (For"C" less than or equal to 6-1/2" only) SEP ? 55 ENV RONMENTA . i--!EAL iH n F PA PTV r�'\I'T