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6Wet or Air Test Piping Per Local Code <br />AWARNING! DO NOT AIR TEST UNIT OR RISER SYSTEM! <br />Doing so may result in property damage, personal injury or death. <br />7 Bring Covers Flush -to -Grade GRADE ONLY <br />Have a Leak? Call customer <br />care at 913-951-3300 <br />Hours 8am-5pm CST, M -F <br />The GB -50 is ready for burial depth of 28-1/2" from finished grade to bottom of tank (or 10-1/2" to centerline of inlet). <br />Deeper burials will require extending the cover adapters and possibly adding risers. <br />0 Measure dimension X to determine riser height needed. <br />Riser Height <br />Needed <br />Risers <br />Required <br />0" - 4" <br />None (use adapter) <br />>4" - 34" <br />FCR2 (xl) <br />>34" - 64" <br />FCR2 (x2) <br />>64" - 94" <br />FCR2 (x3) <br />mMake final cover adapter adjustments <br />� 4 <br />Loosen the cover adapter upper band <br />clamp using 7/16" nut driver bit. Adjust <br />cover adapter heights as needed. <br />Maintain a minimum 2-1/2" insertion <br />depth. Tighten upper band clamp to 5 <br />-8 ft. lbs. of torque using 7/16" nut driver <br />bit. If required, cover adapters may now <br />be tilted up to 100 in any direction using <br />gasket flexibility. <br />0 Install risers if required <br />See instructions included with FCR2. <br />7/16" <br />NO <br />Schier I GB -50 Installation Guide page 9 of 10 <br />