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71 SO-TOOL PROCEDURE BELOW, STEP I OA: 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 even ly 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 9 9 A: PREPARE DRILL AND BIT <br /> Add 2"wide Confirm that the stop on the 3116"drill bit supplied <br /> slot to use with with the 71 SO-TOOL is in the correct position before <br /> testable valves drifling. The stop is factory installed at a distance be- <br /> tween 2"to 2-1/16"from the tip with the 71 50-TOOL. If <br /> the stop is not at the correct position it must be fixed <br /> - before drilling. <br /> ----------- <br /> CAUTION. If the drill stop is not in the proper loca- <br /> tion failure of a pressure decay leak test may result. <br /> € e2} <br /> 71 SO-TOOL Modifications for Testable Inlet <br /> STEP 9A: INSERT 7153-TOOL OVER INLET TUBE <br /> To install the 7150-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 i 1A <br /> Loosen all Hand STEP 12A: DRILL HOLES <br /> Tool spot knobs view holes tighten With the inlet tube and 71 SO FOOL in place,carefully <br /> rr _; knobs drill a 3116"diameter hole in the upper tube using the <br /> eaenly drill bushing in the knob as a guide. The drill stop is pa- <br /> �.__� " sitioned so it will bottom out against the knob after the <br /> 4 ---"' - bit has drilled through the upper drop tube. If the stop <br /> is positioned wrong either no hole will be drilled,or a <br /> I'llthrough hale could potentially be drilled through the <br /> inlet tube. If no hole is drilled return to step 11A 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 /> I key <br /> i <br /> Drill thru upper <br /> Figure 9A Figure ?OA tube only <br /> Figure 12A <br /> s <br />