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71 SO-TOOLC PROCEDURE BELOW, STEP 11 B: PREPARE DRILL AND BIT <br /> FOR 7150-TOOL,SEE PAGE 8 Confirm that the stop on the 3116"drill bit supplied <br /> FOR 71 SO-TOOLCT,SEE PAGE 10 with the 7150-TOOLC is in the correct position before <br /> drilling. The stop is factory installed at a distance be- <br /> Note: 71 SO-TOOLC can only be used with testable tween 1-3116"to 1-114"from the tip with the 71 SO- <br /> overfill valves if modified as shown below. TOOLC. If the Stop is not at the correct position it must <br /> be fixed before drilling, <br /> - _ J CAUTION: If the drill stop is not in the proper Iota- <br /> tion failure of a pressure decay leak test may result. <br /> 71 SO-TOOLC <br /> ........... ~>. -� <br /> 17 <br /> i <br /> a <br /> i <br /> Acid a 10-24 UNC thread or similar <br /> to all three legs of the 71 SO- Tip to stop dimension must <br /> TOOLC in the area shown. Use set be 1-3116"to 1-114" <br /> screws to secure tool to upper ,Figure 7 7B <br /> tube. <br /> STEP 12B: DRILL MOLES <br /> 71 SO-TOOLC Modifications for Testable Inlet With the inlet tube and 71 SO-TOOLC in place,carefully <br /> drill a 3116"diameter hole in the upper tube using the <br /> STEP 98: INSERT 71 SO-TOOL[OVER INLET TUBE hole in the 71 SO-TOOLC as a guide. The d rill stop is po- <br /> To install the 71 SO-TOOLC(sold separately)over the sitioned so it will bottom out against the too!after the <br /> inlet tube,first loosen the thumb screw,so the tool can bit has drilled through the upper drop tube. If the stop <br /> pass freely over the inlet tube flange. Align the slot on is positioned wrong either no hole will be drilled,ora <br /> the tool with the key on the inlet Mabe and insert the through hole could potentially be drilled through the <br /> tool dowry. See Figure 9B. inlet tube. If no hole is drilled return to step 116 and <br /> Tool Slot Hand tighten thumb screw check the stop dimension, If a hole is drilled through <br /> the inlet tube or into the screw hole the assembly is not <br /> p salvageable. drill(2)more holes in the two remaining <br /> a guide holes. <br /> cmml4 <br /> Loosen <br /> thumb <br /> C7 <br /> P ca <br /> SCf�W <br /> 17 <br /> nlz <br /> Tube <br /> Key <br /> Dal through upper tube Only <br /> STEP 1 OB: TIGHTEN THE 71 SO-TOOLC Figure 128 <br /> Ensure that the tool seats flat against the top of the inlet <br /> tune. To prevent vertical movement of the tool during <br /> drilling,hand tighten the thumb screw against the up- <br /> per drop tube. See Figure 108. <br /> 9 <br />