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n <br /> I <br /> Installation Guide: Commercial AdvanTex® Systems <br /> peh ,3 romme# <br /> tnn...J" tr °g GrommetO <br /> �, Splice box <br /> Step 1: To install grommets in the field, first mark the riser ee . <br /> for location of the grommets. (For Perma-Loc risers,you E' -; Discharge <br /> should try to avoid cutting through the pipe seam—the extra �` +r..�' " ' assembly <br /> thick rib—unless it is unavoidable.) Grommet <br /> Step 2: Using a 4" grinder or other cutting tool,notch through Supportpipes <br /> the PVC ribs to the wall of the PVC riser. Remove an area of <br /> Biotube pump vault <br /> ribbing equal to approximately 1" larger than the grommet <br /> diameter. <br /> Step 3: Using a hammer and chisel,break the notched ribs <br /> from the riser. Use a grinder to remove any remaining rib <br /> material so that you are left with a smooth area,ensuring a _: <br /> watertight fit. <br /> B ( �o <br /> GIx <br /> Step 4: Using the Grommet Hole Saw Sizing Chart below, <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 <br /> the opening,being careful not to enlarge the opening. <br /> Grommet Hole Saw Sizing Chart <br /> 1/2 <br /> 3 ]� <br /> 3/4 1-1/4 <br /> 1-9/16 <br /> 1-1/4 1-3/4 I'-1. a ;.;.,,�. €_...'€ •.3 <br /> 1-1/2 2-1/8 <br /> 2 2-3/4 <br /> N <br /> 3 3-7/8 O <br /> 4 5 <br /> Step 5: Install the grommet in the riser. <br /> Optional: Applying a bead of ADH 100 adhesive to the <br /> groove of the grommet prior to insertion into the riser hole 'N' <br /> will make the grommet more secure and will overcome any <br /> imperfections in the drilled hole. <br /> —.E B asaT <br /> i' <br /> NIM-ATI(-AX-2 a 2003 arenco Systems*Inc. <br /> Rev 1.0,21M <br />