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71 SO-TOOL PROCEDURE BELOW, STEP 10A: TIGHTEN THE 71 SO-TOOL <br /> FOR 71 SO-TOOLC,SEE PAGE 9 Use the three view holes to ensure that the tool seats <br /> FOR 71 SO-TOOLCT,SEE PAGE 10 out flat against the top of the inlet tube. To prevent <br /> vertical movement of the tool during drilling,hand <br /> Note: 71 SO-TOOL can only be used with testable tighten all three knobs evenly to the upper drop tube. <br /> overfill valves if modified as shown below. A 2" See Figure 10A. <br /> wide slot must be added to accommodate cast lug. <br /> STEP 11A: PREPARE DRILL AND BIT <br /> Add 2"wide Confirm that the stop on the 3/16"drill bit supplied <br /> slot to use with with the 71 SO-TOOL is in the correct position before <br /> ®� testable valves drilling. The stop is factory installed at a distance be- <br /> tween 2"to 2-1/16"from the tip with the 71 SO-TOOL. If <br /> the stop is not at the correct position it must be fixed <br /> ® 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 /> 0 <br /> 71 SO-TOOL Modifications for Testable Inlet <br /> STEP 9A: INSERT 71 SO-TOOL OVER INLET TUBE <br /> To install the 71 SO-TOOL(sold separately)over the inlet <br /> tube,first loosen all three knobs,so the tool can pass Tip to stop dimension must be <br /> freely over the inlet tube flange. Align the slot on the 2"to 2-1/16". <br /> tool with the key on the inlet tube and insert the tool <br /> down. See Figure 9A. Figure 11A <br /> Loosen all Hand STEP 12A: DRILL HOLES <br /> Tool slot knobs view holes tighten With the inlet tube and 71 SO-TOOL in place,carefully <br /> \ knobs drill a 3/16"diameter hole in the upper tube using the <br /> evenly drill bushing in the knob as a guide. The drill stop is po- <br /> sitioned so it will bottom out against the knob after the <br /> l ` bit has drilled through the upper drop tube. If the stop <br /> is positioned wrong either no hole will be drilled,or a <br /> —� -� <br /> through hole could potentially be drilled through the <br /> 9 p Y 9 <br /> inlet tube. If no hole is drilled return to step 11 A 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 /> Inlet salvageable. Drill (2) more holes in the two remaining <br /> Tube knobs. <br /> key <br /> Drill thru upper J� <br /> Figure 9A Figure 10A tube only <br /> Figure 72A <br /> 8 <br />