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STEP 8 O INSTALL LOWER TUBE STEP 12 O INSERT <br /> Install the pre- DROP TUBE <br /> drilled and dimpled Make sure the gasket is <br /> end of the lower under the flange of the <br /> tube onto the inlet tube. Hold the float <br /> bottom of the valve down against the valve <br /> body aligning the body and slowly insert <br /> three (3) dimpled the drop tube overfill <br /> holes with the valve into the riser pipe. <br /> tapped holes in the Do not force valve into <br /> body . • Install the the riser pipe. If any <br /> three (3) flathead obstruction or foreign <br /> screws into the matter interferes withboo <br /> dimpled holes and smooth insertion of the ori a <br /> o e <br /> tighten securely. valve, the riser pipe be 0 <br /> Use only the must be cleared , <br /> stainless steel <br /> locking screws WARNING <br /> supplied . The Figure 8 Failure to follow the <br /> screw heads must assembly and <br /> be flush with or below the outside surface of the installation <br /> lower drop tube, instructions or use of <br /> excessive force to Figure 12 <br /> Note: 61 SOM Methanol Models are supplied with insert the OPW 61 =SO <br /> a Drop Tube Connector Kit which is used to will VOID THE <br /> attach a fiberglass (FRP) drop tube (supplied by WARRANTY! <br /> others) . <br /> Difficulty in removing the existing fill tube (if there <br /> STEP 9 ❑ CUT LOWER TUBE AT 450 ANGLE is one) means there may be an obstruction in the <br /> Measuring from the underside of the inlet tube riser pipe. Look for burrs, deformations , excess <br /> flange, mark the overall length of the drop tube a tank lining material or other projections that may <br /> distance of (B) minus 6" or as per local codes or interfere with easy insertion of the OPW 61 -SO. <br /> requirements . Determine dimension (B) from the The 61 SO is designed for insertion into schedule <br /> measurements taken in Step 1 , Figure 1 (lip of 40 pipe . If schedule 80 pipe has been used for <br /> the riser pipe to the bottom of the tank) . Saw off the riser, the 61 SO can not be installed . If <br /> the excess tube at a 45 degree angle and file off seamed pipe has been used , the internal weld <br /> any sharp burrs . (Refer to Figure 1 & 14) bead may interfere with the OPW 61 -SO and <br /> prevent installation . If the OPW 61-SO won't slip <br /> STEP 10 ❑ PREPARE FILL RISER FOR VALVE in easily DON'T FORCE IT! Damage to the valve <br /> INSERTION may result if excess force is used . Examine the <br /> Remove the tight fill adaptor and existing drop riser pipe carefully; determine the nature of the <br /> tube from the tank riser pipe. obstruction; take appropriate steps to remove it. <br /> IMPORTANT: Inspect the riser pipe for any STEP 13 ❑ CHECK INSTALLATION <br /> foreign material. Over spray from tank relining or Insert the drop tube all the way into the tank until <br /> any internal burrs inside of pipe must be the flange and gasket seat onto the riser pipe. <br /> removed prior to installation . Failure to have an The float will swing out into the operating position <br /> unobstructed riper pipe may prevent proper as it passes into the tank, <br /> installation or operation of the valve . <br /> Make sure that the float is aligned along the <br /> STEP 110 REMOVE ELASTIC BAND length of the tank. The length of the tank can <br /> Remove the elastic band securing the float to the easily be determined by locating other manholes <br /> valve body . The float will move into an outward or pump boxes that are installed around other <br /> position . tank fittings . Look into the drop tube and align <br /> the deflector with the length of the tank. <br /> 6 <br />