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8 Sealing secondary containment system threaded closure H� nut Fig. 8-1. Assembly sequence to seat the containment of the Dualoy 3000/LCX fitting. Fig. 8-2.2" Dualoy 3000/LCX coupling sleeve Installation tips: When installing a 2 -inch Dualoy 3000/LCX coupling sleeve make marks on the containment pipe about 7inches on each side of the approximate center of the Dualoy30001L sleeve coupling. When the Dualoy 3000/LCX coupling sleeve is properly installed, it will be centered between these marks. When assembling primary couplings, use a paper towel or other wiper to remove the exterior bead from each end of the coupling. Also, slide the molded containment coupling over the primary coupling to assure alignment and clearance between them. If heat assist is not needed due to ambient conditions, the containment coupling can be left in this position during adhesive cure. When assembling containment couplings, it is recommended that marks be placed equidistant on each pipe wall from the center of the primary coupling at locations greater than one-half the length of the containment coupling. These marks can then be used to "center" the containment coupling over the primary coupling to assure the seals are located squarely on the containment pipe. Fig. 8-3. Dualoy3000/LCXmolded termination assembly to seal off secondary containment. 2" available with or without test valve. 3 and 4" are available only with test port. 12 Joint preparation Inspect all sealing surfaces to insure they are free of any foreign material such as dirt, sand, or adhesive. Inspect all sealing surfaces to insure there are no cuts, scratches, or nicks which could prevent the joint from sealing properly. Making the joint Thoroughly lubricate the large O-ring and sealing surfaces with a medium viscosity motor oil and insert it into the female groove on the end of the Dualoy 3000/LCX fitting. Hand tighten the threaded closure into the fitting, compressing the O-ring. Tighten the closure with an LCX Closure Spanner Wrench to 40 foot pounds, 60 foot pounds, or eighty foot pounds for 2 -inch, 3 -inch or 4 -inch respectively. Spanner wrenches include a 12" square hole so a torque wrench can be used to tighten the threaded closure. Do not over -torque as this may cause the threads to skip. Re -tighten to lower torque if this occurs. Liberally lubricate the small O-ring and the sealing surfaces with motor oil. Do not lubricate the threads. Slide the O-ring up to the sealing area. Hand -tighten the nut and then tighten with Nut Spanner Wrench to 40, 60, or 80 foot pounds for 2-, 3-, or 4 -inch systems respectively. (Closure may tum slightly during this step.) Once assembled the system can be tested immediately. 2" LCX coupling sleeve Dualoy 3000/1- sleeve coupling LCX pipe nut small O-ring Note: Molded secondary couplings and termination assemblies should be tightened using two spanner wrenches at the same time. Tighten using the wrenches from each end. Terminating the secondary containment When the containment needs to be terminated within a sump, use either a flexible terminating sleeve or a molded termination sleeve. *Flexible terminating sleeve Position the terminating sleeve over the end of the containment so that one hose clamp will tighten on primary pipe and one clamp will tighten on the containment. Tighten hose clamps until a good seal is ensured. *Molded termination sleeve Position the termination sleeve over the containment end. Note that the O -seal which seals against the primary piping has a larger cross section than the other 0 -ring. Lightly lubricate the O-ring with motor oil. Do not lubricate the threads. Lubricant on the threads can prevent proper joint make-up by allowing threads to skip. Tighten each end separately to 40 ft. Ib. with an LCX spanner wrench. Each termination fitting can be supplied with a Schrader valve to test the system or to provide jumpover around primary fittings in sumps. One sleeve (min.) with test valve must be used in each line or section of line for testing purposes.