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Curved and Fla -IL- SLAhead Installation 1 mono <br />i <br />Su_P'W." <br />1 <br />opt <br />1 ; <br />_"•i 4 <br />1 <br />®.ua+eee <br />I <br />Sac0.d.'Y Pipe <br />55 cismP <br />1 / <br />Nut <br />W -ha BW�'wea <br />Step One <br />Curved and Flat <br />Choose the center point for the entry and drill a hole using a `'cte saw <br />for the 5" bulkhead fitting, and a 3-1/2" hole saw for a 2' ;ahead <br />fitting. After the hole is cut, file the edge to insure there'are ;ti =errs or <br />excess pastic. Note: If drilling into a fiberglass sump, use C.S ' -tip <br />hole saws. <br />Step Two (Enviroflex only -3950 series) <br />Curved and Flat <br />Insert the stiffener into the corrugated secondary pipe where ;cable. <br />Step Three <br />Curved <br />Remove the compression nut and the curved washer frcn, ~eg• <br />For added protection, prior to inserting the bulkhead, run a :ead of <br />Bostik 920 FS or equivalent around the outside sealing s:.'"==e dace <br />the bulkead through the entry from the outside, turning tl^e =, .:ead to <br />conform with the shape of the sump. Place the curved %vas'' =`'er the <br />bulkhead threads with the curved surface facing the surra �.� I• <br />Flat <br />Remove the compression nut and washer from the fi-ninc. r added <br />protection, prior to inserting the bulkhead, run a bead of ; cs-:k 920 FS <br />or equivalent around the outside sealing surface. Place t^e bulkeed <br />through the entry from the outside sealing surface. <br />Step Four <br />Curved <br />The washer and bulkhead fitting are molded to fit the curved surface of <br />the sump. Be sure to position them correctly. Thread on the compres- <br />sion nut and while holding from the outside, tighten on the inside <br />compression nut between 21 and 25 foot pounds using a bulkhead <br />wrench. Insert the pipe or conduit and tighten the stainless steel clamp <br />between one and two foot pounds around the pipe or conduit for a <br />watertight seal. Fill the sump with water above the penetration to insure <br />all fittings are watertight. <br />Thread on the compression nut and while holding from the outside, <br />tighten on the inside compression nut between 21 and 25 foot pounds <br />' using a bulkhead wrench. Insert the pipe or conduit and tighten the <br />stainless steel clamp between one and two foot pounds around the pipe <br />or conduit for a watertight seal. Fill the sump with water above the <br />penetration to insure all fittings are watertight. <br />Note: Drawings show b" fitting configuration. 3" fitting not shown. <br />Bulkhead Fitting Installation <br />