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Mounting to Tank Fitting Adapter: Locate the 4" tank After the tank sump is mounted, and utilizing schedule fitting to which the tank sump is to be mounted and 40 galvanized components, hard pipe from the discharge remove plug or cap. If this is a retrofit project, remove fitting on the pump until the piping lines up as straight the submersible pump. as possible with the chosen flat surface where piping will depart, making sure that your ball valves, unions, etc. Next, determine the exact location within the sump have been installed. Stainless steel flexible connectors where the submersible pump should be mounted. Many can be used as an option. installations offset the pump a few inches to accommo- date the installation of ball valves, unions or line leak Now, install an APT brass swivel fitting at the end of the detection equipment. discharge line, making sure you have at least 9" of clear- After pump location has been determined, turn the ance between the sump wall and the pipe stop on the fit- sump base over, measure, and mark the center point of ting (this dimension will vary depending on pipe size, 9" the hole to be drilled for the pump. Using a 5-1/2" hole for 2" pipe and 6" for 1-1/2" and 1-3/4" pipe). saw, drill the mounting hole in the sump base and de- burr the hole when finished. Coat the male threads on the 4" tank-fitting adapter Tank Sump Assembly with a good quality Teflon based pipe sealing com- After the electrical work is done and electrical conduits pound, and screw it into the tank fitting. Utilize the hex at the top of the fitting to tighten it down securely. have been installed, the tank sump height may need to be adjusted. All tank sumps manufactured by APT have Add a uniform bead of urethane sealant to both sides of height adjustment cut lines.Consult the specific instruc- the gasket,and put the gasket in place. This gasket must tions provided with the sump model you are using.The be UNDER the sump! Then, place the sump onto the preferred technique is to use a large hooked blade adapter, orienting it for the best pipe entry angles. Place linoleum utility knife where cuts are to be made. the washer plate onto the adapter, and then thread the If using the TS-4242 tank sump, the riser section needs compression plate on by hand until it bottoms against to be added at this point. Align the serial numbers the washer plate. Install and tighten the compression before screwing the riser section into the base and make plate bolts, using a cross pattern to apply an even sure the numbers match. When the numbers are amount of pressure all the way around. aligned, they serve as the lead thread. Tighten all com- ponents and apply a generous bead of Bostik or other approved urethane sealant along the outside connection between the riser and the base. This additional redun- dant seal is important and cannot be added once the sumps are backfilled. Hard pipe from the discharge fitting on the pump until the piping lines up with the chosen flat surface. 113