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84 <br /> "pgndbc B <br /> 71 SO Overf=ill Valve in Tank Shut off Level Worksheet <br /> imaortants This is meant to be supplemental worksheet and not a substitute to following the installation <br /> manual Instructions. All length measurements are in inches. Please contact the,4uthority.Having.Jtirlsdic-. <br /> tion (AH1)and review local,state,and national'codes to determine the regulatory requirements governing t <br /> shut-off,cap�WtY in your region,as well as take into account other considerations such as e)ctreme tank tilt. <br /> Take the followirig rneasurements with the valve in- (. <br /> stalled in the tank: <br /> Distance from the 71 SO inlet tube flange to the cast <br /> lug in the 71 SO body(see figures), upper tube length. <br /> Mote: the Upper Tube Length must be at least 16 to in- <br /> clude the protective bend in the tube, o <br /> 8 'Z" } <br /> Distance from the 71 SO inlet tube flange to the top and <br /> bottom of lower tube,valve length. (D) <br /> (W) - ! 8Z ,. Upper <br /> (U)= tQ z ` Tube <br /> Distance from the 71 SO inlet tube flange to the bottom - <br /> of the tank. Note:if a tank bottom protector is present it <br /> may be necessary to add this thickness to dimension <br /> (OPW 6111 &61TP models add 0.6") (W)Valve <br /> 18 z- rt' Length, <br /> bottom of <br /> From the tank calibration chart provided by tank manu- <br /> facturer find the dipstick number(Y)which corresponds <br /> to the 100%volume. (8) <br /> _ <br /> j q CD3 To Tank(Y) , <br /> (Y) <br /> 1. To determine shut-off percentage: = Tank <br /> Subtract upper tube length (D)from distance to tank (U)Valve -.._ Chart <br /> bottom(B) Length, ` 100% <br /> (X)_(t6)-(D)-Gy„_6 gs) C-+$ ' oti top of cut Volume <br /> Dipstick <br /> Using the tank calibration chart provided by the tank <br /> manufacturer determine the tants capa(city at the cal- <br /> culated(X)dimension and the 100%volume(Y)tank <br /> capacity. �. <br /> (X)tank capacity in gallons= 8L 6 <br /> (Y)tank capacity in gallons <br /> sO%_ () )capacity I(Y) capacity x100= �' `� Y3 <br /> Note: The overfill valve must be installed per AMJ require- <br /> ments and all applicable local,state,and national codes, if <br /> S 6D6the overfill valve is set above the allowable shut-off percent- <br /> k/urs y Y3 age the overfill valve must be removed and replaced. For <br /> j 03 reference 40 CFR part 280 Subpart 8 Section 280,20 overfill <br /> valves should be set to a maximum of 95%. <br /> 2 <br />