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STEP 9: TIGHTEN SELF-CLINCHING STUDS measurements taken in Step 1, Figure 1 (Top of the Tighten clinch studs securely with a t/z"wrench. Use Face Seal Adaptor below the drain valve outlet in only the self-clinching studs that are supplied with the spill container to the bottom of the tank). Saw off the unit. Seating torque is 11.5 ft-lbs min. to 13.5 ft- the excess tube at a 45-degree angle and file off any lbs max. Do not over tighten. sharp burrs(Refer to Figure 16). Optional: Install Note: Failure to properly apply and cure the the OPW Tank Bottom Protector on the lower tube sealant may result in a failure of a pressure (Refer to Installation instructions supplied with the decay leak test. Tank Bottom Protector). STEP 10: LOWER TUBE ASSEMBLY STEP 12: PREPARE FILL RISER FOR VALVE If a vise is used, clamp on the valve body casting INSERTION only to avoid damage to the float. Mix the remaining sealant until the color is uniform. Using the mixing IMPORTANT: Inspect the riser pipe for any foreign stick, generously apply sealant to the first 6 male material. Over spray from tank relining or any threads on the valve body as shown in figure 10. internal burrs inside of pipe must be removed prior Make sure coverage is completely around the to installation. Failure to have an unobstructed riser threads, and work the sealant down into the thread pipe may prevent proper installation or operation of profile. Quickly thread the lower tube onto the valve the valve. Thoroughly clean top of riser pipe. body. Tighten the tube securely by hand or with a strap wrench. Remove excess sealant and smooth Important: Before installing the valve, allow sealant bead with water moistened mixing stick. sealant to cure for 24 hours. Important: Allow sealant(epoxy)to cure for 24 STEP 13: REMOVE ELASTIC BAND hours before installing into tank. Remove the elastic band securing the float to the valve body. The float will move into an outward position. \Apply Sealant completely STEP 14: INSERT DROP around first 6 threads. TUBE 1 Make sure the O-Ring gasket is \ - under the flange of the inlet tube. Hold the float down against the valve body and slowly insert the drop tube overfill valve into the riser pipe. Do not force valve into the riser pipe. If any obstruction or foreign matter interferes with smooth insertion of the valve, Figure 10 the riser pipe must be cleared. WARNING Note: Before installing the valve in the tank, a Failure to follow the assembly pressure test can be performed on the valve to and installation instructions check for vapor tightness. Seal off both ends of the or use of excessive force to tube with inflatable plumber's plugs. Apply a insert the OPW 61 SO will maximum 10"W.C. (1/3 PSI)air pressure. If VOID THE WARRANTY! pressure does not hold and a leak can be located with soap solution, do not install the valve. Send the valve back to OPW for warranty evaluation. Difficulty in removing the Caution: Do not over-pressure. Excess pressure existing fill tube(if there is one) Figure 14 can damage the valve means there may be an obstruction in the riser pipe. Look for burrs, STEP 11: CUT LOWER TUBE AT 45°ANGLE deformations, excess tank lining material or other Measuring from the underside of the inlet tube projections that may interfere with easy insertion of flange, mark the overall length of the drop tube a the OPW 61 SO. The 61 SO is designed for insertion distance of(B)minus 6"or as per local codes or into schedule 40 pipe. If schedule 80 pipe has been requirements. Determine dimension (B)from the 57