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PREVE14TATYVIE MJUNMAPKE cations. Performance Requirernent, Leak raW to be less <br /> Annually,Inspect the flapper In the 71SO to see that it is than or ural to D.17 CFH 2.0"W.0 <br /> open by looking down the dro p tube operting. Test the <br /> 7150 drop tobL4 seals with GARB procedure TP-201.10, TINgue 5p*cifimmkM <br /> if the drop rube seal passes resting, no further rnainw Taptite Screws,f 10-24 thenad Eui n%20 iri-lbs mink <br /> nance Ir,nequi red. if the drop tube fails testing,repWt rn u m to 35 irrlbss maximum. Tesubie Madeis Ordr. <br /> the drop tube seal with OP P/N.H11931M For 4` Socket Adaptor, I/r NPT,3S ft-lbs(42 Irr4bs) rnknimum <br /> Tubes. Re-test the 71 SO drop tube with CARR proce- to 5.0 ft-lbs (60 in'Ibs)maxfmurrt- <br /> dureTP-201.1D. The lower wbt-o-r ing seal OPWPIN; <br /> H 1484 M car+ also ae replaced. if this does not correct 1MP RTANTt leave than InMalhaim li aroxtierts <br /> thL-leak the 71 SO needs to be replaced. and mainteAm9a pnxeduns with the 9WIlon opwa- <br /> -- <br /> FOR TEISTAMfr OORSOWY-. The sDcl et adaptor <br /> can be removed and poppet and fti t rno"ment and <br /> function inspected without removing the vdf'tre. See <br /> Page 17 for hAl [esting details. if replacement parts are <br /> needed W testable models the fo(tamng stems ase <br /> avadaFiie' OPW PAN W/41 TesmWeInletTube 51A. <br /> 206740$or t Adaptor and Ca Me Ass mNy,and 51 SCK <br /> F <br /> N' Do not Work any foremen ob)W into drop <br /> apper is In the doped position. F examnk kpml measuring stick. Turfs wall darnas and mid the W„irrty. ALWAYS sheds <br /> Rapper location before"stMn4"tho takrdt. if <br /> per is in the c sod poshinn.Ow tank is either orar- <br /> filled mW you need to wale unt11 the NquW]awl goes <br /> darrrrw or the 71 SO#damaged and needs to be re- <br /> 7150 Po formance Specifications <br /> This OvwfiIt Preventlno Valve has been manufattur <br /> wW ten d to.ar+d rret the f cm ing Califomia spedfr- <br /> i8 <br />