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71 SO-TOOLCT PROCEDURE BELOW, FOR 7150 -TOOL, SEE PAGE 8 FOR 71513-TOOLC, SEE PAGE 9 STEP 9C: INSERT 7154-TOOLCT OVER INLET TUBE To install the 7150-1UULCT (sold separately) over the inlet tube, first loosen the thumb strews, so the tool can pass freely over the inlet tube flange. Align the slot on the tool with the key on the inlet tube and insert the tool down. See Figure 9C. Loosen thumb Tool Slot �t Tube Ivey Hand tighten thumb screws Figure 9C Figure 1 OC STEP 14C: TIGHTEN THE 71 SO-TOOLCT Ensure that the tool seats flat against the top of the inlet tube. To prevent vertical movement of the tool during drilling, hand tighten the thumb screws against the up- per drop tube. See Figure 1 OC. STEP I M PREPARE DRILL AND BIT Confirm that the stop on the 3116" drill bit supplied with the 71 SO-TOOLCT is in the correct position before drilling. The stop is factory installed at a distance be- tween: 1-3/16" to 1-1 /4" from the tip with the 71 SO- TOOLCT. If the stop is not at the correct position it must be fixed before drilling. CAUTION: If the drill stop is not in the proper loca- tion failure of a Pressure decay leak test may result. Tip to stop dimension must be 1-3/15" to 1-914^ Figure 17 C STEP 12C: DRILL HOLES With the inlet tube and 7150-TOOLCT in place, carefully drill a 3/16" diameter hole in the upper tube using the hole in the 7150-TOOLCT as a guide. The drill stop is positioned so it will bottom out against the tool after the bit has drilled through the upper drop tube. if the stop is positioned wrong either no hole will be drilled, or a through hole could potentially be drilled through the inlet tube. If no hole is drilled return to step i 1 C and check the stop dimension. If a hole is drilled through the inlet tube or into the screw hole the assem- bly is not salvageable. Drill (2) more holes in the two remaining guide holes. Figure 1.2C Urill through upper tube only 10