Hog Slat Inc. Newton Grove, NC USA May 2020 2 Feed Tank System Accessories Installation Procedure: Select a suitable location for Sight Glass in accordance with location information above. Do not locate Sight Glass across Tank Cone Panel seam. Use one of the metal rings as a template, locate and mark the 4-1/4” (108mm) center hole and eight (8) mounting bolt holes. Center Punch and drill (8) 3/8” (10mm) diameter holes in Tank at locations marked with ring guide. A new, sharp drill bit is recommended to minimize burring. Drill an addition hole on edge of 4-1/4” (108mm) diameter hole as a starting point to cut large hole. Using a Jig Saw with fine tooth metal cutting blade; cut out the 4-1/4” diameter hole (108mm) sight hole using inside line of Template as a guide. Remove any burrs. Important: Do Not use Grinder or Cutting Torch to cut access hole as it will damage metal galvanizing resulting in premature bin corrosion. Remove protective film from both sides of clear Polycarbonate sight window. Center the Sight Window between Face Ring and Flat Gasket. Center these parts covering 4-1/4” (108mm) hole cut in cone panel. Align and place second Face Ring on inside of Feed Bin Cone Panel. This can best be done from bin ring on existing installations. Secure all components together with (8) 5/16” supplied bolts and nuts. Important: Do Not over tighten the bolts as damage to sight glass could occur. Figure 1 PARTS LIST ITEM QUANTITY PART NUMBER DESCRIPTION 1 2 GST-AC520-1 RING, FACE 2 1 GST-AC520-2 GASKET, FLAT 3 1 GST-AC520-3 WINDOW, PLEXIGLASS 4 8 60571 NUT, HEX 5/16-18 ZP STL 5 8 HS712 BOLT, HEX W/ WASHER – 5/16-18 X 3/4”
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