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RISER FLANGE |
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BELLOWS |
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FLANGE COMPRESSION RING |
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(6) 1/4"-20 BOLTS |
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SURFACE RING |
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DRAIN VALVE ASSEMBLY |
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TO FIGURE THE RISER LENGTH, TAKE THE DIMENSIONS ABOVE AND SUBTRACT FROM THE TOP OF THE TANK. CNI RECOMMENDS 1"-2" ABOVE GRADE. |
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TAKE THE RISER FLANGE-(A) AND TIGHTEN TO RISER. |
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OUT OF THE BOX REMOVE THE FLANGE COMPRESSION RING-(C). |
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NOW LAY THE COMPRESSION RING-(C) IN PLACE AND SCREW THE 1/4"-20 BOLTS-(D) ALTERNATING BACK AND FORTH TIGHTENING EACH TIME. |
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TAKE THE BELLOWS-(B) AND SIT ON FLANGE-(A). MAKE SURE THE "O"-RING IS NOT SHOWING. |
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BACK FILL UP TO THE NECK OF THE BELLOWS-(B), PLUMB AT THAT POINT AND ATTACH THE SURFACE RING-(E). |
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NOW YOU CAN SET THE CONTAINMENT IN PLACE AND PLUMB. |
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SCREW DOWN DRAIN VALVE ASSEMBLY-(F) UNTIL IT SEATS ON "O"-RING. |
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CONCRETE UP TO THE TOP OF THE LIP ON THE SURFACE RING-(E). |
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