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PR1E1l°I:VTATYVE MJUNMAPKE <br />Annually, Inspect the flapper In the 71 SO to see that it is <br />open by looking down the dro p tube operting, rest the <br />7150 drop toll► seals with CARR procedure TP -201.10, <br />if the drop rule seal passes resting, no lunt *F rnainw <br />mance Mr, nequi red. if the drop tube fails testing, reel ace <br />the drop tube seal with OP P/N. H 11931 M For 4' <br />Tubes. Ae-test the 71 SO drop tube with CAFUR proce- <br />dure TF -201.1 D. The lower w o -ring seal OPW PIN; <br />H 14S OM car also oe replaced. if this docs not correct <br />th a leak die 71 SO needs to be replaced. <br />� <br />FOR TESTlkM MOORS OWY-. The s Dclk et adaptor <br />can be removed and poppet and float rno"ment and <br />function inspected without removing the vaW. See <br />Page 17 for hAl iesting details. of replacement parts are <br />needed testable models the fo(laMng stems ase <br />availaW. OPW PAN W/41 TesmWeInlet Tube 51A. <br />206740 ocicat Adaptor and Carlile Ass mNy, and 6150K <br />CAMON' Do not Insort any foremen ob)W into drop <br />tube if dapper is In the doped position. For exam <br />pie, a tank knurl measuring stick. This will dasrna <br />On vahv and v*W the Wairrmay, ALWAYS check <br />Rapper location before "sUMIn4" the tarOL if <br />per is frtthe closed poshim. Ow tank is ahhor ora -- <br />filled mW you need to wale unt11 the fiquW level goes <br />dcrrrrw or the 71 SO is damaged and needs to be rm� <br />7150 Performance Specifications <br />This OwdIt Preventloo Valve has been manufattur <br />wW tested to. ar+d rrAt the f cm ing California specifi- <br />cations. Per1wmance Requimment, Leak raW to be less <br />than or equal to D.17 CFH 2.W W.0 <br />Tawgrs Spodlimmkm <br />Taptite Screws, f 10-24 thnmd Suit % 20 iri-lbs mink <br />rnum to 35 inrlbs] maximum. Test" KWdeis Ordy, <br />Socket Adaptor, I/r NPT, 3S ft -lbs (42 Irr4bs) rnknimum <br />to 510 ft -lbs (60 hulk ) maximurn. <br />IMPORTANT. Leave tire. Ir+stalkd on Iaseructlam <br />and MainteAm9a Serres with tha 9WIlon op m - <br />tor, <br />i8 <br />