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7I50-TOOL PROCEDURE RUJO , STEP 110h; TIGHTEMTHF-71 SO-TOOL <br /> FOR 71 St-TOOM SEE PAGE 9 Use the three view holes to ensure thatthetool seats <br /> FOR 71SO-TOOLCT,SU PAGE 10 out fiat against the top of the Met tine, To prevent <br /> vertical movement of the tool during drilling,hand <br /> Now. 71SO-TOOL can tidy be used with tastable tighten all three knot&Pvpnty to the upper drop tuba <br /> ouarfrJl values If modified as shown below. A 2' Set Figure 1 RA. <br /> wide slut mad Ise added to accommodate cast lug- <br /> 5M 11A: PREPAREONL.L AND BIT <br /> Add Y wide Confirm that the stop on the 31160 drill bit supplied <br /> slat to use wish with the 71SO-TOOL is In the cornea posit'oan before <br /> testable valvesdrilknq. The sopp is factory installed at a distance be <br /> tween V to 2-1/1 b"from the tip with the 7150`TOOL If <br /> the stop is not at the correct position it must be fixed <br /> before drilling. <br /> 3- — CAUTIOhis If the drill stop Is not in the proper WA <br /> k k tion failure of a pressure deca7r took test mwr resuh. <br /> ti. <br /> 71 SC400L Modifications for Testable Inlet <br /> STEP O& INSERT 7150-TOOL OVER INLETTIIRE <br /> To install the 71150-TOOL(sold separately)over the inlet <br /> tube-first loosen al I ttwee(mobs,sa the tool can pass Tip to stogy dimension must be <br /> freelyover the inlet tube flange. Align the slot on the 2"to 2-ltlFs'. <br /> tacit w4h the Joey on the lnlej tube and irt5w tint tool <br /> down. Sea Figur&9A. fngwe 1 TA <br /> LOOSM Uli -Und STEP 12A: DRILL 14OLFS <br /> ice+SICK i v>ow holes tighten With the inlet tube and 7150-TOOL in place,carefully <br /> �— kr b drill a 3116'diameter hole in the upper tube using the <br /> eve* drill bushing in the knob as a guide. The drill stop is po- <br /> _� — si tioned so It wUl bottom out against the knob after the <br /> — S fait has dMied through ldhe upper drop tube. If the stop <br /> is pvsltloned wrong either no hole will be drilled,or a <br /> t / thi Pucgh ho)e could potent y be drill led timmi3h the <br /> r )niet tube. If no hole is drilled return to step 1 IAand <br /> check the stop dimensian_ tf a hole is drilled through <br /> the inlet tube or into the screw We tate assembly is riot <br /> anon salvageable, [loll{2)more holes in the two remaining <br /> "TLbE knot's, <br /> i % <br /> 1p <br /> Dill thru upper <br /> Ffgure PA Flyura JOA rube ugly <br /> Fiyurr 12A <br /> R <br />