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PRItVEMATW E MpIMMAKE cations. Per1wmance Requirement, Leak rate tube fess Annually,Inspect tfie flapper In the 71-SO tD we that it is than or equal to D-17 CFH@2,lr W.C. npen by looldng dawn the drop tube opening. Test the 71 SO drop tube seals with GARB procedure TP-201.1 D. Tvryra Spedlik ilem if the drop tube 5ea1 passes testing, no further rnainw TapUte Screws,/10-24 thread cutting,2D itrlbs m►ni- nance Is regui red_ if the drop to be fails testing,reptace rn u rn t o 35 in-lbs maximum_ Test"Modek OW the dW tube seal with OPW P/N:H11931M for 4` Socket Adaptor, 114'NPT,3.5 ft-lbs(42 Irr)bs) minimum Tubes. Ar test the 7150 drop tube with CAM proce- to SA ft-lbs(60irrIbs)rnaxirrturn- dareTP-20UD. The lower wkt-o•ringseal OPW PIN; H 14WM can also oe replaced. if thi s does not correct IMPORTANT. Leave thea.Installation insttwWms. tha leak the 7150 needs to be replaced. and maintemnee poxeduces with the station opera- -- -- tor. FOR TEVABLE f11t3D1EUONLY-. The 5Dcket Adaptor can be removed and poppet and float rnovement and function inspected without removing the vdive. See Page 17 for full testing details. If replacement parts air needed let testable models the fottowMq items ase avaiiabir OPW PIN 206747 Testable Inlet Tubae SIA. 2106 740 SoL*et Aria ptor and Cable Asswrnbly,and 61 SOK CAUTION: Do not Innen any foreign object into drop tube if flapper is Its the dosed position. For exarn- pie,a tank level nwasuring stick. tF'fris wlil dsrngM the vahe and void the Wa rrxrty. ALWAYS check Rapper lecatbn before"%UMnq"Ow tan lL If IWMP- per k in the clawed poshioa,Ow to nit is•hhw overt filled and you need to wait until fire liquid level goes down or the 71 SO is damagad and needs to be rrf- 7150 Performance Specifications This Overfill Prevention Valve has been manufactured asui tested to,and met the tai'ow ing Callfomia LWfi- 18