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PREVIDnATTVE MAIM UTAWF cations. Perigrmance Requirement: Leak rate to be 4ss Annually,lnsped tfie flapper In the 7150 to we that it is than or egoal to DA 7 CFH@2.0"W.C- open by looking down the drop tube opening, Test the 71 SO drop tube seals with GARB procedure TP-201.10. T"Ne Specif %tia n If the drop rube seat passes renting, no funkier rnainw TapUte Screw,!,s 10-24 thread cutting,2D ir-Ibs mn ni- nance Is tequired. 6 the drop tube fails te5bog,replace rnurn ro 35 in-lbs maximum. Testab4 Models Ordy.. Ow drop tube seal with OPW P/N:X111931 M for 4' Sock-et Adaptor, 114"NPT,3.5 ft-lbs(42 IrObs) mini mu m Tubes. lamest the 71 SO drop Rube with CAN prose- to SA ft-Jbs (60 iwIbs)maximum. dare TP-101 JD. The lower tube o•ring seal OPW Pft H i4WM car+ also De replaced. if this does not correct IMPORTANT: Leave these Installatlim irab uctlom th a leak the 71 SO needs io be re0aced. and maintem*m procedures with tha station a- -- tor• FOR TESTABU MODELS WILY. The socket adaptor can be removed and poppet and float movement and function inspected without removing the valve. See Page 17 for hAl testing details if replacement parts are needed let testable modets the fettowM9 items ase available. OPW PIN 206741 Tesm bt --Inlet Tube 5/A. 206748 SoJwt Adaptor and Ca ble Assembly,and 61 SOX --Ml Not tQt CALMO is Do not Insert any foraign object Into drop tuba if flapper is In the dosed poaiition. For exarn- ple,a tank level nwasurling stick. This will darn"* the vmhre and void the Wagrarrty. ALWAYS deck Rapper location before"stl CMnq"tau.tit. If lhw- per is in the closed position,taw tank is either over- filled lead you need to waft unxdi the UquW laud goes down yr the 71 SO is don aged and needs to be re- 7150 performance Specifications This Overfill Prevention Valva has been manufactured aM tQs"d to.ar+d rr,et.the K ow,ng Cal&mla Lpenf- t8