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7150-TOOLC PROCEDURE BELOW, <br />FOR 71 SO -TOOL, SEE PAGE 8 <br />FOR 71 SO-TOOLCT, SEE PAGE 10 <br />Note: 71 SO-TOOLC can only be used with testable <br />overfill valves if modified as shown below. <br />it <br />I I <br />I <br />Add a 10-24 UNC thread or similar <br />to all three legs of the 71 SO- <br />TOOLC in the area shown. Use set <br />screws to secure tool to upper <br />tube. <br />71 SO-TOOLC Modifications for Testable Inlet <br />STEP 9B: INSERT 71 SO-TOOLC OVER INLET TUBE <br />To install the 71 SO-TOOLC (sold separately) over the <br />inlet tube, first loosen the thumb screw, so the tool can <br />pass freely over the inlet tube flange. Align the slot on <br />the tool with the key on the inlet tube and insert the <br />tool down. See Figure 9B. <br />Lou.114 <br />thur <br />scree <br />Tool Slot <br />Hand tighten thumb screw <br />STEP 10B: TIGHTEN THE 71 SO-TOOLC <br />Ensure that the tool seats flat against the top of the inlet <br />tube. To prevent vertical movement of the tool during <br />drilling, hand tighten the thumb screw against the up- <br />per drop tube. See Figure 10B. <br />HtGHVEU <br />J U L 3 0 2020 <br />STEP 11 B: PREPARE DRILLA D BIT <br />Confirm that the stop oiicr'�i�Ci�TF-I <br />with the 71 SO-TOOLC is in the <br />�8�iibefore <br />drilling. The stop is factory installed at a distance be- <br />tween 1-3/16" to 1-1/4" from the tip with the 71 SO- <br />TOOLC. If the stop is not at the correct position it must <br />be fixed before drilling. <br />CAUTION: If the drill stop is not in the proper loca- <br />tion failure of a pressure decay leak test may result. <br />Tip to stop dimension must <br />be 1-3/16" to 1-1/4N <br />Figure 11 B <br />STEP 12B: DRILL HOLES <br />With the inlet tube and 71 SO-TOOLC in place, carefully <br />drill a 3/16" diameter hole in the upper tube using the <br />hole in the 71 SO-TOOLC as a guide. The drill stop is po- <br />sitioned so it will bottom out against the tool after the <br />bit has drilled through the upper drop tube. If the stop <br />is positioned wrong either no hole will be drilled, or a <br />through hole could potentially be drilled through the <br />inlet tube. If no hole is drilled return to step 11 B and <br />check the stop dimension. If a hole is drilled through <br />the inlet tube or into the screw hole the assembly is not <br />salvageable. Drill (2) more holes in the two remaining <br />guide holes. <br />Figure 12B <br />Drill through uppertubeanly <br />