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Installation Guide: Residential AdvanTex® Systems <br /> Append►x.1, Grommet lnstarrar11�6n'insau �n `�, `� f <br /> 0 Grommet qer 12 o'tmekl <br /> \ Splice box <br /> Step 1: To install grommets in the field,first mark the riser for Discharge <br /> location of the grommets. (For Perma-Loc risers,you should assembly <br /> try to avoid cutting through the pipe seam--the extra thick rib �. Grommet <br /> —unless it is unavoidable.) i tet s°'tl°tkl <br /> Step 2: Using a 4" grinder or other cutting tool,notch through <br /> Support pipes <br /> the PVC ribs to the wall of the PVC riser. Remove an area of y' Biotube pump vault <br /> ribbing equal to approximately 1" larger than the grommet diam- <br /> eter. <br /> Step 3: Using a hammer and chisel,break the notched ribs <br /> from the riser.Use a grinder to remove any remaining rib mate- <br /> rial so that you are left with a smooth area,ensuring a watertight <br /> Step 4: Using the Grommet Hole Saw Sizing Chart below, ��gx <br /> select a hole saw for the grommet installation and drill out the <br /> opening. Use a deburring tool or knife to deburr the edges of the <br /> opening,being careful not to enlarge the opening. <br /> Grommet Hale Saw Sizing Chart <br /> LL <br /> , F: <br /> 1/2 1 <br /> 3/4 1-1/4 <br /> 1 1-9/16 <br /> 1-1/4 1-3/4 <br /> 1-1/2 2-1/8 0 <br /> 2 2-3/4 <br /> 3 3-7/8 <br /> 4 5 <br /> Step 5: Install the grommet in the riser.We highly recommend ='. <br /> applying a bead of ADH1 OO adhesive to the groove of the grom- <br /> met prior to insertion into the riser hole. This will make the 4 <br /> grommet more secure and will overcome any imperfections in <br /> the drilled hole. <br /> u, E <br /> - f <br /> 'aa <br /> NIM-ATX-AX-1 0 2004 Orenco Systems'lot. <br /> Rev 11,OW <br />