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71 SO-TOOLC PROCEDURE BELOW, STEP 11 B : PREPARE DRILL AND BIT <br /> FOR 71SO -TOOL, SEE PAGE 8 Confirm that the stop on the 3/ 16" drill bit supplied <br /> FOR 71 SO4OOLCT, SEE PAGE 10 with the 71 SO-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 - 3 / 16 " to 1 - 1 /4" from the tip with the 71 S0- <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 /> Q CAUTION : If the drill stop is not in the proper loca- <br /> O Von failure of a pressure decay leak test may result. <br /> 0 <br /> i 71 SO-TOOLC <br /> O <br /> i <br /> � i I <br /> i <br /> I <br /> Add 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 -3/16' to 1 - 1 /4' <br /> screws to secure tool to upper Figure 116 <br /> tube . <br /> STEP 12B : DRILL HOLES <br /> 71 SO-TOOLC Modifications for Testable On at 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 /> STEP 9B : INSERT 71SO-TOOLC OVER INLETTUBE hole in the 71 SO-TOOLC as a guide. The drill stop is po - <br /> To install the 71 SO-TOOLC (sold separately) over the sitioned so it will bottom out against the tool 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, or a <br /> the tool with the key on the inlet tube and insert the through hole could potentially be drilled through the <br /> tool down . See Figure 9B . inlet tube. If no hole is drilled return to step 11 B and <br /> check the stopdimension . If a hole is drilled through <br /> Tool Slot Hand tighten thumb screw the inlet tube or into the screw hole the assembly s not <br /> 00 o salvageable. Drill (2) more holes in the two remaining <br /> o guide holes . <br /> 0 <br /> O o <br /> L seen <br /> thumb o��� <br /> screw O <br /> 0 <br /> nlet <br /> Tube <br /> Key <br /> DAN though uppertubeonly <br /> STEP 106 : TIGHTEN THE 71 S0 �700LC Figure 12B <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 /> 9 <br />