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PR1rVENTAT11ff M UNTEMAKE cations. Perbrrnance Requirement: Leak rate tube Less Annually,Inspect tfie flapper In the 7150 to see that it is than or equal to DA 7 CFH*2.W W.0 open by looking dawn the drop tube opening. Test the 71 SO drop tube seals with GARB procedure TP-241.1 l?. Tvrgra Spe dlikatlim If the drop cube seal passes resting, no funtwr mainw Tame Screws,s I D-24 thread tuning,20 in-lbs rnlni- nance If required- if the drop tube fails testing,repiacs rnurn to 35 in-lbs maximum. Testable Madeis Omar. the diroop tube seal with OPW P/N:H 11931 M for 4` Socket Adaptor, 114"NPT,3.5 ft-lbs(42 Irr lbs) rninimu m Tubes. N--trst the 71 SO drop tube with G4A8 pvoLe- to 5A fe-lbs(60 iwIbs)maximum. time TP-20UD. The lower tube e-ring seal OPW PIN: H 14840M can also oe replaced. if this does not correct IMPORTANT: Leave these I stallation iastrwWrss th e leak the 71 SO needs to be replaced. and rnaintoefom*procedunm with the swilon opera- -- tor. FOR TESTASU MOD1EL.S O%LY: The s ocket aciaptur can be removed and poppet and float rnoyement end function inspected without removing the vahre. See Page 17 for full testing detailsof replacement parts ate needed bei testable models the foRowWV items ase availaWr OPW P/N 206747 TesmWleInlet Tube SIA. 206740 SoL*et Adaptor and Cable Assembly,and 61 SOK CALMON- Do not Insert any fore�yn abject into dnop tube if flapper is In the dosed position. Far examv- pie,a tank k A nwasuring stick. This will damage the vahme and void the ti wraRty, ALWAYS dwck Rapper bntbn barfom"sUclOng"tho same. If flap- per k ilp Ow dossed posftloa.Ow tank As ehfwr over- filled and you need to wail urdM the ikfuW laud goes down or the 71 So is damaged a nd need=to bre w 7150 Performance SpeciAcatbns This Ovt4fiIt Pdeventlnn Valve has been manufactured ar.d tested to.and meet the fol'cm ing Ca$4=ia speah- 18