COMPLIANCE INFO_2019 - Laserfiche WebLink

Home Browse Search

OPW Installation,Operation,and Maintenance Manual, Page 76 Executive Order VR-102-Q STEP 7: DRILL HOLES ously apply sealant to the first 6 male threads on the With the inlet tube in place, carefully drill (3) 1/8"diam- valve body as shown in figure 10. Make sure coverage eter pilot holes through the drop tube and inlet tube at is completely around the threads,and work the sealant three locations at 120 degree intervals around the tube, down into the thread profile. Quickly thread the lower 1 inch below the flange. Using the pilot holes, drill(3) tube onto the valve body. Tighten the tube securely by 5116"dia.holes through the tubes. Remove the burrs hand or with a strap wrench. Remove excess sealant from the drilling operation from the inside of the drop and smooth sealant bead with water moistened mixing tube assembly with a fine half round file. IMPORTANT: Allow sealant(epoxy)tocurefor24 IMPORTANT:A 5116"drill bit must be used. Do not hours before Installing Into tank. substitute any other size drill bit. 44011 Seat=:ancrea, Xr first 6 welds Figure 10 i NOTE: Before installing the valve in the tank,a Pres- _ J sure test can be performed on the valve to check for vapor tightness, Seal off both ends of the tube with Figure 7 inflatable plumber's plugs.Apply a maximum 10"W.C. STEP 8: ASSEMBLE AND SEAL CLINCH STUDS (1/3 PSI)air pressure. If pressure does not hold and a leak can be located with soap solution, do not install Loosely assemble the the valve. Send the valve back to OPW for warranty three(3)clinch studs,lock evaluation. Caution: Do not over-pressure. Excess pres- washers,and nuts in sure can damage the valve. holes. Do not tighten at \ /Apply Sealant STEP 11: CUT LOWER TUBE AT 45 ANGLE this time. Mix up a small — amount of sealant. Gen- Measuring from the underside of the inlet tube flange, erousl eeach clinch stud apply sealant un- \ J r mark the overall length of the drop tube a distance of y pprr ) / (B)minus 6"or as per local codes or requirements. De- head,each eea 1,I hach nut,and on ; termine dimension(8)from the measurements taken in the outside of the tube p // Step 1,Figure 1 (Top of the Face Seal Adaptor below the around the holes. __ drain valve outlet in the spill container to the bot-tom of the tank). Saw off the excess tube at a 45-degree angle,and file off any sharp burrs(Refer to Figure 16). Optional: Install the OPW Tank Bottom Protector on the Figure 8 lower tube (Refer to Installation instructions supplied with the Tank Bottom Protector). STEP 9:TIGHTEN SELF-CLINCHING STUDS STEP 12: PREPARE FILL RISER FOR VALVE INSER- Tighten clinch studs securely with a%"wrench. Use TION only the self-clinching studs that are supplied with the IMPORTANT:Inspect the riser pipe for any foreign ma- unit. Seating torque is 11.5 ft-lbs min.to 13.5 ft-lbs terial. Over spray from tank relining or any internal max. Do not over tighten. Note:Failure to properly burrs inside of pipe must be removed prior to instaila- apply and cure the sealant may result in a failure of a tion. Failure to have an unobstructed riser pipe may pressure decay leak test. prevent proper installation or operation of the valve. STEP 10: LOWER TUBE ASSEMBLY Thoroughly clean top of riser pipe. If a vise is used,clamp on the valve body casting only to avoid damage to the float. Mix the remaining sealant until the color is uniform. Using the mixing stick,gener-