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PREVENTATIVE MAINTENANCE Annually, Inspect the flapper In the 71501-0 see that it is ripen by looking down the drop tube opening. Test the 71SO drop tube seals MO CARB procedure TP-201.10, If the drop tube seal passes resting, no further mainte- nance Is required, if the drop tube fails testing, replace the drop tube seal with OPW P/N: H11931114 fOr 4' Tubes Fie-ttnt the 7150 drop tube with CARR proce- dure TP-Z01.1D. The lower tubeiaq wog seal OP W PIN; H14.84041 can also De replaced. f this does not correct the leak the 7150 heeds to be replaced. FOR TESTABLE MODELS ONLY: The sock et adaptor can be removed arid poppet arid float movement and function nspected without removing the valve. See Page 17 for Nil testing details replacement path are needed to testable models the fo1ic:L*111v items Lre available. OM PIN 206741 Testable Inlet Tube S/A. 206740 Socket Adaptor and Ca Me Assembly, and 6150K CAUTION: Do not Insert any foreign object late drop tube if flappes is In the dosed position. For exam- ple, a tank level measuring stidc. This will damage the with* and void the Warranty. ALWAYS check flapper location before 'sticking* the tank If flap- per Fs in the closed position the tank is either over- filled and you need to wait until the liquid level goes down or the 7150 iS damaged and needs to be ra- 7150 Performance Spedficatiens This Overfill Prevention Valve has been manufactured and tested to. t rid met the toll,ovoing California specifi- mons. Performance Requirement: Leak rate to be less than or equal to D.17 CFHeilr W.0 Torque Specification Taptne SCreWS, .10-24 thread [taring, 21:11n-lbs mini- mum to 35 in-lbs maximum. Testable Models OnIT Socket Adaptor, 1/4' NPT, JS ft-lbs 02 In-ths) minimum to 5.0 ft-1b5 (60 in-113s) maximum. IMPORTANT: Leave these Installation Instructions and maintenance procedures with the swim open- tor.