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❑ Step 5: After rechecking that tank is level to 1/8" per 2 feet (10mm <br />per 2 meter or 1/200), (fore and aft as well as side to side), fill tank <br />with fresh water to the low water line in ALL 3 chambers. <br />Note: Start with center chamber and alternate chambers while filling <br />for evenly balanced fill. <br />Please note: To assure tank water tightness, check in 24 hours to be sure that the water level <br />has not dropped. Contact your distributor or Fuji Clean USA if water level has dropped. <br />❑ Step 6: Backfill about 3/4 way up tank in layered, compacted 6" lifts using sand, stone dust, <br />peastone or equivalent material that form -fits into tank corrugations. Keep backfill material <br />damp to assure compact backfill and reduce settling risk. <br />7_�.,_�. <br />❑ Step 6 continued.: Install inlet and outlet pipes using primer and cement. For larger systems with 5" <br />inlet and outlets, you may use 5": 4" eccentric reducer adapters included with system. Install with <br />thin edge down. Apply primer and cement to 4" PVC pipe sections to inlet and outlet. <br />�AN � <br />I1 <br />